Metasys System Glossary

Building Technologies & Solutions LIT-1201612 www.johnsoncontrols.com 2021-01-28 Release 11.0 2 Metasys System Glossary Contents Contents Introduction...... 5 A...... 5 B...... 7 C...... 8 D...... 9 E...... 10 F...... 11 G...... 12 H...... 12 I...... 13 J...... 13 K...... 14 L...... 14 M...... 15 N...... 17 O...... 18 P...... 18 R...... 19 S...... 20 T...... 22 U...... 23 V...... 24 W...... 24 X...... 25 Z...... 25 Common acronyms...... 27 Product warranty...... 29 Software terms...... 29 Patents...... 29 Contact information...... 29

Metasys System Glossary 3 4 Metasys System Glossary Introduction

This document contains definitions of terms and acronyms found in the documentation for the Metasys system products and serves as a convenient reference. A

Active Directory Federated Systems (ADFS) Active Directory Federated Systems. ADFS is an add-on, licensed feature to add support for Metasys using Active Directory Federation Services (ADFS), a single sign-on solution developed by Microsoft®. ADFS can then, in turn, be used to provide 2-factor authentication for access to Metasys. Active Directory Service A network operating technology that enables Information Technology (IT) administrators to manage enterprise-wide information from a central repository. This information includes data center policy compliance and identity management (user logon accounts), which are used for both Microsoft® Windows® Operating System (OS) authentication (logon to the Windows OS) as well as network resource authentication (logon to enterprise-wide secured applications, such as email). Active Directory Service Domain/Domain Controller A collection of domain controllers that serve as a security boundary for network resources. A domain controller provides the Active Directory service to network users and computers; stores directory data; and manages user and domain interactions including the logon process, authentication, and directory searches. Active Directory Service Schema The formal definition of all object and attribute data that can be stored in the directory. For example, user is an object type with attribute data of name, first name, last name, e-mail, and so on. The schema is made up of object classes and attributes. The base (or default) schema contains a rich set of object classes and attributes to meet the needs of most organizations, and is modeled after the International Standards Organization (ISO) X.500 standard for directory services. Active Directory Service—Service Account A logon account assigned to an application to enable the application to perform privileged actions within Active Directory service. The Metasys system requires one or more Service Accounts to be assigned to allow the system to perform directory queries and request Active Directory service authentication. Only one Service Account is allowed per domain. Active Directory Service User Account A logon account assigned to a user account that is created, stored, and maintained only within Active Directory service. This user account provides access to Active Directory service Network Resources. The account may also provide access to the Metasys system when added and privileged using the Metasys Security Administration system. Application and Data Server, (ADS) Application and Data Server, (ADS). A Metasys server that allows you to expand beyond the site management capabilities, number of connections limitations, and historical data storage limits of Network Automation Engines (NAEs), Network Integration Engines (NIEs), Network Control Engines (NCEs), SNE series network engines, and SNC series network engines. An ADS uses a free version of Microsoft® SQL Server® software to manage historical data on a computer that does not have a server-class OS. For a more robust system, an extended ADS is available (ADX).

Metasys System Glossary 5 Application and Data Server, Lite version, (ADS-Lite) Application and Data Server, Lite version. A lower-capacity Metasys server that is available for purchase in Europe, Latin America, and Asia. The ADS-Lite products offer the same functionality as the standard ADS, but can serve as the Site Director for only the smaller-capacity network engines (NCE25/NIE29, NAE35/NIE39, NAE45/NIE49, and SNE110L0). Advanced Graphics Application (AGA) An enhanced graphics programming package that provides dynamic capabilities such as animation, color changes, and flashing for the Metasys system. Dynamic graphics can be defined in Microsoft Visio® Professional 2003 software using the Advanced Graphics add-on application and Graphics Example stencil. Graphic files are converted to Scalable Vector Graphics (SVG) and imported into the User Graphics Tool. You can access a second graphics viewer, the Adobe® SVG Viewer, from within the existing user interface to view the advanced graphics. Note: AGA is no longer supported at Metasys Release 11.0. Advanced Graphics Symbol Library (AGSL) A collection of predefined dynamic graphics that can be defined in Microsoft Visio Professional 2003 software using the Advanced Graphics application and converted to Scalable Vector Graphics (SVG). SVG files then can be imported into the User Graphics Tool and viewed in the Site Management Portal User Interface (UI). ADX Extended Application and Data Server. A Metasys server that allows you to expand beyond the site management capabilities, number of connections limitations, and historical data storage limits of NAEs, NIEs, and ADSs. An ADX uses a full version of Microsoft SQL Server software to manage historical data on a computer with a server-class OS. Alarm Manager A feature in the Metasys UI that provides a view of all alarms in the Metasys system. From this view, you can take certain actions, such as sorting, acknowledging, and discarding alarms. Application Programming Interface (API) Metasys Monitoring and Commanding Application Programming Interface (API). This API enables reading, writing, and commanding of one or more Metasys objects or properties to provide a secure way to bi-directionally integrate with third-party applications. At Release 11.0, this API is enhanced to optimize its integration with Johnson Controls Enterprise Management (JEM). This ensures a robust and cyber-secure integration between Metasys and JEM. Archive Location within a database on nonvolatile media for safe long-term storage of data. Archive is a term used for both site-specific system configuration data (archive database) and historical data (historical database). The term archive is also used to refer to the task of saving updates to the archive database. Authentication The process of identifying and verifying a user via user name and password, or by verifying a Security Token. Authentication precedes authorization. Authorization The process of granting access to specific functions and data based upon privileges defined in the security system. Authorization follows authentication.

6 Metasys System Glossary Automatic Private Internet Protocol Addressing (APIPA) A program that automatically assigns a unique Internet Protocol (IP) address to a device when there is no Dynamic Host Configuration Protocol (DHCP) on the server on the network; APIPA is intended for small, single subnet private networks and is available in the network engine. B

BACnet Building Automation Control Network. BACnet® is the ASHRAE standard for a data transmission protocol for the building automation industry. Conformance to the BACnet standard is documented in a PICS that references the supported services and objects listed in the BIBBs. BACnet Interoperability Building Blocks (BIBBs) In addition to the PICS, defines the BACnet services and objects that are supported by a device on a BACnet network. A BIBBs document is an ASHRAE requirement to show BACnet protocol compatibility. BACnet Router A communication device for the BCPro system that facilitates communication between BACnet IP and BACnet MS/TP networks to monitor and control a wide variety of HVAC equipment, meters, fire alarm panels, and lighting. Basic Access A type of Metasys system access assigned to users. Basic Access users can use a subset of the standard user interface capabilities based on their user permissions. Basic Access is no longer available for OAS/ADS and ADX as well as the NAE55/SNx. Any previous release of Metasys that had Basic Access user type accounts are now converted to the Standard Access account after an upgrade has been complete. BBMD BACnet/IP Broadcast Management Device. A BBMD is a device that forwards BVLL Original- Broadcast-NPDU messages on BACnet/IP networks that consist of two or more IP subnets. BCM Building Control Management. A system marketed in Asia that monitors and controls a wide variety of HVAC equipment, meters, fire alarm panels, and building lights. The brand name for the BCM system is BCPro. Background File Transfer (BFT) Network engine models at Metasys Release 10.1 or later support the Background File Transfer (BFT) feature. When you use SCT 13.2 or later to perform a download to the NAE55-2, NAE55-3, SNE, and SNC models, you use the Background File Transfer feature. Background File Transfer permits you to download a new image and database to a network engine while the engine is still running and controlling the building. With previous releases, the engine was offline and inaccessible during this process. The Background File Transfer feature is part of the Manage Archive Wizard > Download To Device option in SCT. Equipment controllers at Metasys Release 10.0 or later support Background File Transfer (BFT). BCPro A graphical user interface that enable operators to control buildings, floors, and systems. In addition to providing comfort for the building occupants, BCPro reduces the cost of ownership by managing the HVAC, lighting, and other building systems in the most energy efficient way possible. This user interface is primarily sold to the Asian market.

Metasys System Glossary 7 Building Network Dashboard A detailed representation that provides a cohesive summary of the selected object. Widgets included on a Building Network Dashboard may include a Summary View widget, Trend widget, Equipment Relationships widget, and Detail widget. Bulk commanding Used to issue a global command to multiple Metasys objects with one request. This action is available after performing an Advanced Search. Bulk modifying Used to edit the attribute values of multiple Metasys objects with one request. This action is available after performing an Advanced Search.

CCT Controller Configuration Tool. This tool configures, simulates, loads, and commissions devices on IP and MS/TP controllers.You can configure the following devices with CCT: CGMs, CVMs, FACs, FECs, IOMs, PCAs, PCGs, PCVs, PCXs, SNCs, VAVs, VMAs, and XPMs. C·CURE 9000 Access Control A security management system for commercial buildings manufactured by Tyco Software House. Beginning at Metasys Release 10.0, the C·CURE 9000 access control system can be interfaced to network engines using a vendor integration driver. Certificate A digital file used as a cybersecurity technique to establish identity and ownership of a public or private key. CGM General Purpose Application MS/TP Controller. The latest in a new family of modernized equipment controllers that integrate to the web-based Metasys system. CGMs are versatile equipment controllers designed to monitor, control, and integrate a wide variety of HVAC and other building equipment. These controllers support BACnet MS/TP and N2 communication protocols, and auto- detect which protocol it's connected to. In MS/TP mode, these equipment controllers are BACnet network compliant devices. Controllers running in N2 mode can be used to maintain or modernize sites with installed legacy Johnson Controls® controllers. Chanalyzer The Chanalyzer is a wireless spectrum analyzer that you can use to check how the wireless environment is set up in a building, to make sure any wireless Metasys products have open frequencies for their use. You can also use this analyzer as a troubleshooting tool after a wireless ZFR system installation. Change of Value, (COV) Data clients subscribe to an object for COV reporting. The device monitors the value of the object property, monitors the subscription list and the change criteria. When the change criteria are met the devices sends notifications of the new value to the subscribers. Client user interface A computer software application running on a computer (called the client) that provides connection to another computer (called the server) that is running a building automation system. In the context of the Metasys system, building operators log into the Site Management Portal UI or Metasys UI from their client computer to access the Metasys server (for example, an ADS).

8 Metasys System Glossary Control System Name used for a custom control logic application that runs in a building equipment controller. CVM VAV Box Controller. This device is a versatile equipment controller designed to monitor, control, and integrate a wide variety of HVAC and other building equipment. These controllers support BACnet MS/TP and N2 communication protocols, and auto-detect which protocol it's connected to. In MS/ TP mode, these equipment controllers are BACnet network compliant devices. Controllers running in N2 mode can be used to maintain or modernize sites with installed legacy Johnson Controls controllers. Cyber Health Dashboard A feature of Metasys UI that informs and educates Metasys system administrators of user account information, system information, and most importantly, possible security risks. D

Daisy-chained topology A type of network topology in which devices are connected to each other in a continuous string without interruption. The wire terminations begin at one device and continue to branch to each subsequent device until the last device on the line is reached. Dashboard A window in the Metasys UI software that organizes and presents Metasys information in an easy- to-interpret, modular way. Examples of dashboards in the Metasys Dashboards Manager A feature in the Metasys UI that you use to customize dashboards. You can customize the widgets that appear, the order the widgets appear, and the size of the widgets. The Dashboards Manager is only available in the UI include the Space dashboard, Building Network dashboard, and the Equipment Dashboard. Metasys UI and is not available in the Metasys UI Offline. The Dashboards Manager is only available on computer platforms. DDA Destination Delivery Agent. A method of routing and delivering event messages to destinations such as pagers, printers, e-mail, and SNMP management systems. Demilitarized Zone (DMZ) The portion of a network located between the Internet and the intranet and protected by one or more firewalls. DHCP Dynamic Host Configuration Protocol. DHCP is a set of communications rules that allows a network administrator to automatically assign IP addresses as needed when devices are plugged into a network. DHCP enables dynamic IP network configuration and IP addressing. DLLR Demand Limiting/Load Rolling. Software features that help customers save money on energy costs. Demand Limiting (DL) selectively turns off (sheds) equipment, such as fans and lights, or adjusts setpoints to limit energy use during peak times. Load Rolling (LR) reduces overall energy consumption continuously by shedding unnecessary loads. Domain Name System (DNS) The method by which host domain names are located and translated into IP addresses. A domain name is a meaningful and easy-to-remember handle for an Internet address. DNS is the Internet

Metasys System Glossary 9 standard for naming and locating host devices and mapping host names to IP addresses. An example of a DNS handle is www.johnsoncontrols.com. DP Dew Point. The dew point is the temperature at which water vapor reaches the saturation point; that is, 100% humidity. DSN Data Source Name or Domain-Subnet-Node in LonWorks networks. E

Electronic Signature A feature of a Metasys for Validated Environments, extended architecture (MVE) system that satisfies United States Food and Drug Administration (US FDA) Title 21, Code of Federal Regulation (CFR) Part 11 Requirements for Electronic Signatures. This feature requires users to reenter their password (re-authentication challenge), state a meaning associated with the signature, and enter an annotation when they make a change to the system or when acknowledging an event. The system does not execute the requested change until users perform all three actions. Energy Essentials A software application that is an add-on to the Metasys Advanced Reporting System. Energy Essentials provides seven fundamental energy reports, including the Big Picture Energy and Load Profile reports. Enthalpy In HVAC applications, heat content as the internal energy of the system plus the pressure times the volume of the system. Equipment A broad term used to describe the equipment that makes your building run. Equipment includes boilers, chillers, air handling units, lights, meters, security systems, and anything else that is used to maintain your building's environment. Equipment can serve spaces and other equipment. The Metasys UI product uses the term equipment. Equipment Dashboard A tabular and graphical representation that provides a cohesive summary of a selected piece of equipment. Information displayed includes alarm history, user change history, equipment graphics, historical trend information, and relationships with other equipment and spaces. eXtensible Markup Language (XML) Text-based language representing data. XML is a simple and easy-to-use subset of the Standard Generalized Markup Language (SGML), the standard for how to create a document structure. system. The Export Utility runs from an ADS/ADX or from a stand-alone computer on the same network. Export Utility extracts historical trend, alarm, and audit data from the network engine or ADS/ADX. This data is then provided in several file formats such as Microsoft Excel and Microsoft Access. You can instantly extract the selected data or schedule an extraction at a convenient time or interval. eXternal Interface File (XIF) A file that describes the Standard Network Variable Types (SNVTs) and configuration parameters of a LonWorks enabled device.

10 Metasys System Glossary F

FAC Advanced Application Field Equipment Controller. A line of Metasys configurable digital controllers that support selectable BACnet or N2 field bus networking protocols. FACs feature an integral real-time clock and support time-based tasks, which lets these equipment controllers monitor and control schedules, calendars, alarms, and trends. FACs can continue time-based control and monitoring when offline for extended periods of time from a Metasys system network. FACs can also operate as stand-alone controllers in applications that do not require a network engine or for network applications where it is preferred to have the scheduling, alarming, and trending performed locally in the equipment controllers. Fault Detection Identifies building system related faults and lists them in order of severity. Fault Detection helps operators quickly fix issues and avoid equipment failure, energy waste, and comfort complaints. Fault Triage Improves the fault list order by adding fault duration and occurrence to the sorting logic. Fault Triage provides less experienced building operators with easy-to-understand system information to begin identifying and troubleshooting issues, without relying on training or intervention from more experienced colleagues. Fault Triage also provides all building operators, regardless of experience level, a structured approach to logging and tracking resolved issues. FC Bus Field Controller Bus. An RS-485 communications bus used to connect BACnet MS/TP equipment controllers with network engines. FEC Field Equipment Controller. A line of Metasys configurable digital controllers that support selectable BACnet or N2 field bus networking protocols. The FEC family includes multiple models featuring a variety of total number and types of input and output interfaces. FECs feature 32- bit microprocessor architecture, patented continuous tuning adaptive control, and peer-to-peer communications, and they are available with an optional built-in LCD screen. A full range of FEC models combined with IOM models can apply to a wide variety of mechanical and electrical equipment control applications ranging from simple fan coil or heat pump control to advanced central plant management. The FEC Series controllers support wireless communications using the ZigBee® Field Router (ZFR) Series accessories. Fiber-optic modems Devices that convert communication signals over copper wire to light signals that can travel over fiber optic cable. FIPS 140-2 The Federal Information Processing Standard (FIPS)-140-2 is a United States government cybersecurity standard that approves cryptographic modules/algorithms used for encryption. The cryptographic modules are produced by private sector vendors who seek to have their products certified or validated for use in government departments and regulated industries. Firewall A combination of hardware and software components that provides a security system to prevent unauthorized access from the Internet to the intranet. Flash Memory A type of constantly powered nonvolatile memory that can be erased and reprogrammed. In the network engine, flash is used like a hard disk for storing limited information.

Metasys System Glossary 11 Forest One or more domains that share a common schema and global catalog within Active Directory service. Forests are normally organized hierarchically as determined by the customer. FQR Fully Qualified Reference. A unique, user-defined name that identifies an object in the Metasys system. G

GGT Graphics+ Generation Tool. A diagramming tool that helps designers create representations of their building equipment and floor plans and bind them to Metasys data objects. The tool includes an extensive library of pre-built symbols and templates, shortcut keys, and right-click functions, giving designers the ability to assemble graphics faster. The tool also provides flexibility to create customized graphics using a set of effects known as behaviors. Behaviors allow users to command, navigate, change color, apply flash, set visibility, and display a context menu for bound Metasys objects. Graphics+ is pronounced Graphics-Plus. Global command An option in the Site Management Portal that provides operators the ability to send a single command to multiple objects and view a log of the command results. Globally Unique Identifier (GUID) A GUID is an internal unique identifier for objects within the system Graphic A pictorial representation of building control equipment on a computer screen. A graphic can be designed so that a building operator can monitor and control building equipment directly from the graphic itself. Graphic Stencil Library (GSL) A collection of predefined graphics that can be configured in Microsoft Visio 2003 software and converted to SVG files can then be imported into the User Graphics Tool as background images. Graphics Manager and Editor An embedded graphics package that comes with the Metasys UI software. This package enables system designers to create graphics widgets using photo-realistic graphical representations of equipment and spaces. H

HTML Hypertext Markup Language. HTML is a set of symbols and instructions used to mark up a file so that a Web browser knows how to display the file’s information; HTML describes the appearance of information for Web browsers. HTTP Hypertext Transfer Protocol. HTTP is a set of rules for transferring information over the World Wide Web.

12 Metasys System Glossary I

IFC Intelligent Fire Controller. A cost-effective fire alarm system that provides monitor and control capabilities of analog detectors, programmable relay modules, and circuits. IIS Internet Information Services. IIS is a Web server included in Microsoft Windows operating systems. ILC Intelligent Lighting Controller. A lighting control system that monitors and controls lighting groups and provides scheduling and override capabilities. IOM Input/Output Module. A line of Metasys input and output expansion modules with integral RS-485 MS/TP communications. When installed on the SA Bus of a NCE, CGM, CVM, FAC, FEC, or VMA, an IOM expands the I/O capacity of these controllers. When installed on the FC bus, the IOM serves as an I/O point multiplexor to support monitoring and control from an NAE or NCE. IP Internet Protocol. IP is the transport protocol of the Internet. Verification of reliable transmission is provided by Transmission Control Protocol (TCP). IT Information Technology. IT is a general name for electronic data processing and technical standards for network communication. Imperial Units A system of measurement used mainly in the United States. Integrated Microsoft Windows Authentication An authentication method for directory security on a Web Server. Integrated Microsoft Windows authentication uses a cryptographic exchange with the user’s Web browser or Java® application to confirm the identity of the user and thereby authenticate the user to access the Web server resource (such as a Web service or a file). Internet Service Provider (ISP) A company that provides access to the Internet. Item Annotation Text that the user enters for any item or object in the navigation tree, excluding user views and folders. Item annotations can be thought of as an electronic notepad for any Metasys system item or object. J

JAR Java® Archive. JAR is a file format for storing the components required by Java applets or applications in a single compressed file to promote speedy download by Web browsers. The Metasys system uses Java technology for Site Management Portal UI. JPG File extension of graphics image files created using the Joint Photographic Experts Group standard

Metasys System Glossary 13 Java Network Launching Protocol (JNLP) A protocol used by a Web server (for example, an ADS/ADX) that triggers a Web browser to launch the Java Web Start software. Java Web Start A framework that allows application software for the Java platform to start directly from the Internet using a Web browser Web Start applications do not run inside the browser. Joint Photographic Experts Group (JPEG) Group of experts that defines and maintains a standard format for compressing and optimizing digital photographic images. K

Kerberos A network authentication protocol designed to provide strong authentication for client/server applications by using secret-key cryptography. Kerberos is the primary security protocol for authentication within an Active Directory service domain. KNX An abbreviation for Konnex, KNX is a European open standard for commercial and domestic building automation. KNX devices can manage a host of equipment include lighting, blinds and shutters, HVAC, security, energy management. L

LAN Local Area Network. LANs are high-speed communications systems designed to link computers and other data processing devices together within a small geographic area such as a workgroup, department, or a single floor of a multi-story building. Launcher A software application used to start any version of the Site Management Portal UI and SCT UI. Launcher is installed for you with the installation of the Metasys server software (ADS, ADX, ODS), SCT, or software-based network engine (NAE85). Launcher is also used to log in to a network engine. LCT Logic Connector Tool. A graphical software tool for creating and viewing custom control logic. The LCT is provided by the Site Management Portal UI and SCT UI. LCS85 LonWorks® Control Server (LCS) 85. Server software that uses an open-architecture flat LonWorks system to monitor and supervise HVAC equipment, lighting, security, fire, and access control. The LCS85 supports a comprehensive set of supervisory features and functions for large facilities and technologically advanced buildings and complexes. The LCS85 is a high-capacity server that allows the integration of large LonWorks network systems. When configured as the Site Director, the LCS85 can support up to four Metasys network engines. License Portal A website that permits users and customers to register Metasys software.

14 Metasys System Glossary LDAP Lightweight Directory Access Protocol. A standard communication protocol for directories located on TCP/IP networks. LDAP defines how a directory client can access a directory server, and how the client can perform directory operations and share directory data. Linux A free and open-source operating system that is in use on some models and versions of Metasys network engines. Logic Block A component used to construct the control logic of a system. In CCT, logic block inputs are used to influence the state or values presented as outputs. Logic blocks also support drag and drop functionality in the LCT. LON Local Operating Network. A networking platform created by Echelon® Corporation for use in building control applications such as HVAC and lighting. LonMark® Standards A standards organization founded by LonWorks network users to develop and maintain design guidelines for LonWorks networks. LonTalk® Protocol A protocol developed by Echelon® Systems Corporation and defined in the American National Standards Institute (ANSI) standard EIA/CEA-709.1-A-1999. LonWorks Network A network that uses the LonTalk protocol. M

MAP Mobile Access Portal gateway. A pocket-sized web server that provides a wireless mobile user interface to Metasys equipment controllers, FX equipment controllers, CH equipment controllers, TEC3000 Series thermostats, and Smart Equipment Rooftop Units (RTUs). The mobile user interface can be displayed in the browser of a phone, tablet, or computer. M-Bus Also known as Meter Bus, M-Bus is a European standard (EN 13757-2) for remote reading of gas and electricity meters. M-Bus is designed for communication on two wires. Mesh Coordinator The Mesh Coordinator is a router that is connected to the Wireless Router Gateway (WRG). Metasys Database Manager Software tool that helps to manage and monitor Metasys system databases on a Metasys server. This optional application adds a database icon to the computer's task bar. The color of the icon indicates the current state of the monitored databases. Metasys Monitoring and Commanding API REST-compliant Application Programming Interface that enables reading, writing, and commanding one or more Metasys objects/properties, including Present Value. This API succeeds the Metasys System Secure Data Access dynamic link library (MSSDA DLL).

Metasys System Glossary 15 Metasys Server Device on the Metasys network that runs ADS/ADX/ODS/ OAS software. Metasys User Interface (MUI) A software application that is installed when you install the software for any Metasys server (ADS, ADX, or OAS). The Metasys UI provides a simple location-based navigation approach to finding information, including the ability to search for any location by name and to bookmark a location in the browser. All data displayed in the Metasys UI is organized in a dashboard format, presenting to you the complete story of what is happening within a space, equipment, or central plant. You can access the Metasys UI from any type of client device with any screen size. Use Metasys UI for any building system operation. Metasys UI Offline A software application that is installed when you install the SCT software. The Metasys UI Offline is for validating spaces, equipment, and for creating and editing Metasys UI graphics, and assigning associations to all supported graphics. The Metasys UI Offline does not require a Metasys server. MEU Metasys Export Utility, (MEU). The Export Utility extracts historical trend, alarm, and audit data from the system and presents the historical data in a variety of formats. Using these flexible formats, in programs such as Microsoft® Excel® and Access®, you can easily sort, compare, and archive data in spreadsheets and databases. Modbus A communication protocol developed by Modicon systems. The protocol transmits information between electronic devices over serial lines. Modbus Gateway A communication device for the BCPro system that provides integration of third-party Modbus equipment into the BCM system for monitoring and controlling a wide variety of HVAC equipment, meters, fire alarm panels, and lighting. You can configure the gateway for the Modbus IP or Modbus RTU application protocol. MS/TP A communications bus protocol based on BACnet standard protocol SSPC-135, Clause 9. The MS/ TP bus connects the various components on both the SA and FC Buses. Media choices for MS/TP Bus communication include three-wire twisted cable and four-wire twisted cable; solid or stranded; shielded or unshielded. The MS/TP Bus superseded the N2 Bus. MSSDA Metasys System Secure Data Access dynamic link library (DLL). A now obsolete technology that offered secure access to information in the Metasys network. Using web methods, this DLL allowed you to build custom applications with programs like Microsoft® Visual Basic® to retrieve and update object attribute information in your building network. MVE Metasys for Validated Environments, extended architecture. MVE is an enhanced feature of the Metasys system for facilities that require regulatory compliance for their environmental systems. It includes the capability to configure electronic signatures with required annotations for user interactions with the system. MVE is specifically designed to help customers address U.S. Food and Drug Administration (FDA) electronic records and signature requirements (Title 21 Code of Federal Regulation [CFR] Part 11). MVE requires an ADX with other specific prerequisite software.

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N2 Bus An RS-485 communications bus based on the Opto-22® Optomux® protocol. The N2 Bus is used primarily by legacy Metasys field controllers to communicate with supervisory controllers. Media choices for N2 Bus communication include two-wire, twisted pair telephone wire, a three-wire twisted cable, and duplex optical fiber. The MS/TP Bus supersedes the N2 Bus. NAE Network Automation Engine. The NAE is a Web-enabled, Ethernet-based supervisory controller that monitors and supervises networks of field-level building automation devices that control HVAC equipment, lighting, security, and building access. The NAE provides alarm and event management, trending, archiving, energy management, data exchange, scheduling, dial features, and password protection. Different models and options support various communications networks including the N2 Bus, BACnet network, and LonWorks network. Newer versions of the NAE also support third- party protocols, including Modbus, M-Bus, and KNX. Navigation panel A graphical representation of the spaces and network components of the building automation system as controlled by the Metasys UI. The Navigation panel is located on the left side of the screen and facilitates the navigation through the Spaces and Building Network trees. Navigation tree A tree-like representation of the Metasys network as shown in the Site Management Portal UI. NCE Network Control Engine. A controller that combines the network supervisor capabilities and IP network connectivity of an NAE with the input/output point connectivity and direct digital control capabilities of an FEC. Newer versions of the NCE also support third-party protocols, including Modbus, M-Bus, and KNX. Network Address Translation (NAT) A system of translation that enables a device on a LAN to use one set of IP addresses for internal traffic and a second set of addresses for external traffic. Network Engine Generic title used to identify any supervisory engine including NCEs, NAEs, and NIEs. Network Sensors (NS) Network sensors are devices that connect to a controller to monitor and record the physical conditions of the environment. NIE Network Integration Engine. The NIE is a Web-enabled supervisory controller for integration of N1 networks and third-party protocols such as Modbus, M-Bus, and KNX. The NIE is a specialized version of the NAE and is designed to provide for the migration of specialty networks into the Metasys system. The NIE uses the same UI as the NAE. For an NIE55, connectivity with the N2 Bus, BACnet network, and LONWORKS network is not available. NIEx9 Driver Manager A software tool that allows you to upload driver and license files related to the network engine custom integration solutions. The tool is only used with network engines at Release 9.0 or earlier. Newer network engines use the Linux operating system that have licensed integrations built into the image. The primary use of this tool is to manage the backup and restoration of network engine files before device re-imaging with SCT or the NAE/NIE Update Tool. Once the NIEx9 files are backed up, you can use the tool to restore these files after the network engine is re-imaged.

Metasys System Glossary 17 NT LAN Manager (NTLM) A network authentication protocol developed by Microsoft Corporation. NTLM is the secondary protocol for authentication within an Active Directory service domain. If a domain client or domain server cannot use Kerberos authentication, then NTLM authentication is used. O

OAS Open Application Server. A computer server that combines many of the functions of a Network Engine with an ADS into a single piece of software that can be hosted on a virtual machine with required specifications. Alternatively, the OAS can be purchased as a turnkey offering, where Johnson Controls provides hardware with software already installed on it. The OAS provides a high value Site Director option for conventional controls projects while also providing the Metasys UI software. Object Self-contained functional items in the Metasys system that contain processes to manage building automation system components Objects appear as items in the Metasys UI navigation tree that shows the hierarchical physical or logical relationship between the equipment on a site. These objects generally are referred to as items in the Metasys user interface. Each object that exists in a system is based on a specific object type. There are object types to manage the functions of the site, object types to manage the operation of the various devices installed on the site, object types to manage the physical input and output points of each field device, and others. Examples: Site object, NAE Device object, Analog Input object. ODS Open Data Server. The server is a BACnet Testing Laboratories™ (BTL) Listed BACnet Operator Workstation (OWS). It conforms to the B-OWS profile. The ODS supports up to 25,000 local objects and up to five concurrent users. The ODS functions on either a desktop computer platform or a full server platform to manage the collection and presentation of large amounts of trend data, event messages, operator transactions, and system configuration data. When the ODS operates on a server platform, the Metasys Advanced Reporting System and Energy Essentials may be used to report on system configuration performance, energy usage, demand, and cost. Organizational Units (OUs) A container within Active Directory service The container is used to reflect the details of the organization’s business structure or to delegate administrative control over smaller groups of users, groups, and resources. P

PAN ID Personal Area Network ID. The wireless Personal Area Network ID (PAN ID) is a unique identifier that differentiates one ZFR, or ZFR Pro, wireless network from another. PICS Protocol Implementation Conformance Statement. A document that, along with BIBBs, describes the BACnet services and objects supported by a device on a BACnet network. A PICS/BIBBs document is an ASHRAE requirement to show BACnet protocol compatibility. Point-to-Point Protocol (PPP) A protocol for communication between two computers using a serial interface. Typically, a personal computer connected by phone line to a server uses PPP. For example, your Internet service

18 Metasys System Glossary provider may provide you with a PPP connection so that the provider’s server can respond to your requests, pass them on to the Internet, and forward your requested Internet responses back to you. PPP uses IP and is designed to handle other protocols. Portal A web portal that is a specially designed website that brings information from diverse sources into one central location. Often, each information source has a dedicated area on the page for displaying information. In many portals, users can customize the contains of their portal page from the available elements. Potential Problem Areas The Potential Problem Areas widget provides a single display showing all items in alarm, warning, overridden, out of service, and offline statuses within a space. This display lets you filter and view data that is important to you. Starting at Release 11.0, you can also use this widget to investigate and manage faults that occur on your site, if faults are licensed. You can use the the Potential Problem Areas widget as a daily punch list to manage buildings more efficiently. Preferences Settings that allow you to configure how the Site Management Portal UI behaves, including the sounds and colors, the startup views, alarm priorities, and the presence of links to external applications accessible from within the UI The Metasys system provides customized preferences for the Site Management Portal UI. Preferences are divided into two categories: system preferences and user preferences. System preferences apply to all users who log on to the site or device and affect the performance and operation of the system. User preferences apply to a specific user and define how information is displayed in the UI. User preferences do not affect the operation of the system. Proxy Server A server that sits between a client application (for example, a Web browser) and a real server. A proxy server improves performance by filtering requests. The proxy server fulfills the requests that it is able to fulfill and other requests are forwarded to the real server. A proxy server may fulfill a request by serving the page or other resource from a cache. It may filter or alter content and can act as a firewall. If users access the Site Management Portal UI through a proxy server, they must have the proper proxy settings configured for the Java platform. PVT Performance Verification Tool. The PVT is a tool for Johnson Controls users only. The tool scans the Metasys System to determine overall health, retrieve inventory lists of all controls hardware, and identifies what equipment is controlled. R

Rapid Archive Creation (RAC) A feature in SCT that system engineers and lead system specialists use to efficiently prepare an SCT archive. The feature streamlines the generation of the entire Metasys database for new or retrofit installations. Repository A location within a database on nonvolatile media programmed to collect and coordinate active data from one or multiple devices on the network on a continuous basis A repository includes alarm and event messages, operator transactions, and trend data.

Metasys System Glossary 19 Required Annotation A note that the user must enter when executing an electronic signature. Required annotations exist on MVE systems only. Examples of required annotations include Normal Process Adjustment and Scheduled Maintenance. Required Reason A meaning associated with the signature that the user must enter when executing an electronic signature. Required reasons exist on MVE systems only. Examples of required reasons include Review, Approve, Operator Action, and Author. Ring Manager A device or set of devices that allow communication between IP controllers on a ring network. In Metasys, the set of IP controllers must be connected to an IE 2000 switch from Cisco Systems®. Ring topology A type of network topology in which devices are connected in a circular data path. Each networked device is connected to two others, like points on a circle. Together, devices in a ring topology are referred to as a ring network. S

SA Bus Sensor Actuator Bus. The SA Bus connects end-point devices (IOMs or network sensors) to the equipment controllers. Schedule A programmed instruction that causes some future event to occur or reoccur, such as turning on a supply fan one hour before building occupancy, then turning it off after hours. SCT System Configuration Tool. A software tool used for offline configuration of network engines and Metasys servers that are components of the Metasys system. The SCT provides an easy way to create and edit archive databases offline. The SCT also provides a logic simulation feature, which allows you to simulate a building automation device and test the database control logic prior to downloading it to a device. You can view and configure multiple Sites in one archive with the SCT. SCT Pro System Configuration Tool, Professional edition. A newer generation of SCT that provides significantly streamlined workflows, and greatly simplifies tasks that were previously time consuming or cumbersome. SIMPLEX Fire System A type of fire monitoring system for commercial buildings developed by Tyco SimplexGrinnell. Beginning at Metasys Release 10.0, the SIMPLEX fire system can be easily interfaced to network engines through BACnet/IP. Site Director Either a Metasys server or a network engine that has access to all devices in the entire Metasys site. It is the single point of access to all Site Management Portal UI users. Once logged on the Site Director, users have access to a large variety of operations, such as adjusting schedules, monitoring and commanding points, and expanding the system.

20 Metasys System Glossary Site Management Portal (SMP) A user interface embedded in the Metasys server and network engines that provides operators with a host of building management functions, such as monitoring and commanding equipment, programming schedules, and printing reports. Security ID (SID) Alphanumeric character string that uniquely identifies Active Directory service users and groups within Active Directory service. Unlike a user name or group name, which may be renamed, the SID remains constant throughout the life of the user account or group. Shapes Elements on a graphic that convey information. Examples of shapes include circles, squares, diamonds, and the many flowchart shapes. Single Sign-On (SSO) A user’s ability to log on (sign-on) to a network resource (such as a Microsoft Windows OS) and then access a privileged network resources and/or application (including the Site Management Portal UI) without providing user name and password credentials again. Site A continuously connected network of devices configured as a system for building control and user access. Site Object A type of object in the navigation tree that represents the physical network of connected devices on the site. The device where the Site object resides is considered the Site Director. One important function of the Site object is to maintain time-of-day synchronization for a site. Site Director A uniform point of entry to the system, allowing you to view all network components including the information defined in the Site object. For each site, a single engine or Metasys server is designated as the Site Director. A network engine may be designated as the Site Director on small networks consisting of single or multiple network engines. On larger networks with single or multiple ADSs/ ADXs, an ADS/ADX must be designated as Site Director. The Site Director supports functions such as user logon, user administration, time synchronization, and data-traffic management. The Site Director is the device that holds the Site object. SMTP Simple Mail Transfer Protocol. SMTP is a protocol for sending e-mail messages between servers. SNC Series of network control engines. The SNC is an Ethernet based, supervisory and equipment controller that connects Building Automation System (BAS) networks to IP networks. The SNC Series of network control engines succeed the NCE Series of network control engines. SNE Series of network engines. The SNE is an Ethernet based, supervisory engine that connects Building Automation System (BAS) networks to IP networks. The SNE Series of network control engines succeed the NAE35, NAE45, and NAE55 Series of network automation engines. SNMP Simple Network Management Protocol. SNMP is the primary protocol governing Internet Protocol (IP) network management and the monitoring of IP network devices and their functions.

Metasys System Glossary 21 SNTP Simple Network Time Protocol. SNTP is a simplified version of Network Time Protocol. These protocols allow computers to synchronize current time across a TCP/IP network. SNTP may be used to synchronize the Site Director time with a third-party SNTP time server either publicly (on the Internet) or privately (customer-owned on the LAN/WAN). Software Manager A software application that is part of the Metasys software suite that you use to register licensed products. Space A physical location or area that is served by a piece of equipment. The Metasys UI product uses the term space. Space Dashboard A tabular representation that provides a cohesive summary of the selected space, including the equipment that serves the space and potential problem areas in the space. SQL Server A database application from Microsoft in use by several Metasys software products. SSL certificate Secure Sockets Layer certificate. Used in computer networking, an SSL certificate provides a secure, encrypted communications between a website and an internet browser. Star topology A type of network topology in which all nodes are individually connected to a central point, like a hub or switch. Because each node is connected by individual cable segments, the benefit of a star network is if one cable fails, only one node is brought down. Symbols Pictorial elements on a graphic that represent building equipment, such as fans, coils, valves, and ductwork. T

Tailored summary A summary that allows you to view, command, and modify large quantities of similar data in a tabular format. Tailored Summaries are essentially summary views of Metasys system items where the rows and columns of the summary are tailored to contain information of interest. TEC The TEC3000 Thermostat Controllers are wireless, stand-alone, and field-selectable BACnet® MS/TP or N2 networked devices that provide on/off, floating, and proportional control of rooftop, fan coil and heat pump equipment. TCP/IP Transmission Control Protocol/Internet Protocol. A protocol for communication between computers, used as a standard for transmitting data over networks and as the basis for standard Internet protocols. Trend extension An option in the Site Management Portal UI that allows you to monitor and record the changes in the behavior of an individual attribute over time, thereby assisting you with diagnosing various system-wide behavioral characteristics.

22 Metasys System Glossary Trend log A graphical or tabular representation of one or more data points as they transition through time. Trend study An option in the Site Management Portal UI that allows you to obtain historical data from both the Metasys server and the network engine. A trend study captures data from a point or object during a specific period of time or interval. Before a point or object can be in a Trend Study, it must have a trend extension. Trend Viewer An option in the Site Management Portal UI that you use to display graphically how a monitored point or object changes over time. Three different views are available: Trend Viewer Chart View, Trend Viewer Table View, and Trend Viewer Definition View. U

UI User Interface. The UI is a means through which users interact with the Metasys system. Two UIs are available with the Metasys system: • Site Management Portal UI: Traditional UI with complete administration and configurations capabilities; comes installed with any Metasys server (ADS, ADS-Lite, ADX, and ODS). • Metasys UI: A software application that is installed when you install the software for any Metasys server (ADS, ADX, or OAS). The Metasys UI provides a simple location-based navigation approach to finding information, including the ability to search for any location by name and to bookmark a location in the browser. All data displayed in the Metasys UI is organized in a dashboard format, presenting to you the complete story of what is happening within a space, equipment, or central plant. You can access the Metasys UI from any type of client device with any screen size. Use Metasys UI for any building system operation. UL864 From Underwriters Laboratories, UL 864 is a worldwide standard for fire protection and smoke control that follows rules and regulations set by the National Fire Protection Association (NFPA). UL916 From Underwriters Laboratories, UL 916 is a worldwide standard for energy management equipment. Universal Principle Name (UPN) In the Active Directory service, the name of a system user in an e-mail address format. The user name is followed by the @ sign, followed by the name of the Internet domain with which the user is associated. The Internet domain may be at the forest level of the Active Directory service tree (for example, [email protected]) or at the domain level (for example, [email protected]), or at another level defined by Active Directory service configuration. The UPN format is based on Internet Request For Comments (RFC) 822. Usage Analytics An optional web analytics service in the Metasys UI that tracks the use of the Metasys software either at the site level or the user level. Johnson Controls can improve the Metasys software by gaining insights into your use of our software. User Graphics Tool (UGT) Software for viewing, creating, and editing graphics to provide a visual representation of monitored systems. The UGT allows you to quickly check the status of system symbols and recognize unusual

Metasys System Glossary 23 system conditions. The UGT is available with a network engine, ADS/ADX, and SCT. Graphics can be configured in the Site Management Portal UI and viewed in both the Site Management Portal UI and Ready Access Portal UI. V

Validated Device An ADX or network engine that has MVE features enabled. System changes implemented by the user on validated devices must have an electronic signature with required annotations. VAV Box Variable air volume box. A type of equipment that provides for heating, ventilating, or air conditioning in a commercial building. A typical VAV system consists of a VAV box, ductwork, and four air terminals. VAV systems vary the airflow at a constant temperature. VM Virtual Machine. A Virtual Machine shares hardware and software resources with other operating systems instead of a dedicated server on one piece of hardware. Virtual machines are popular because they provide the same functionality of a dedicated hardware server, but at the reduced cost of just the software. VLAN Virtual Local Area Network. A group of devices on one or more LANs that are configured to communicate as if they were attached to the same wire, when in fact they are located on a number of different LAN segments. Because VLANs are based on logical instead of physical connections, they are extremely flexible. VMD Generator Express (VGE Tool) The software tool that allows you to view, create, and modify the vendor model definition (VMD) files required by third-party integrations on the NIEx9. Both the TCP/IP and Remote Terminal Unit (RTU) formats are supported. W

WAN Wide Area Network. A telecommunications network or computer network that uses devices such as routers, hubs, leased lines, standard telephone lines, satellite dishes, and radio waves to span a larger geographic area than can be covered by a LAN. Warning banner A window that appears when operators log in to the Site Management Portal UI that contains a terms-of-use message authored by a government agency. Starting at Release 10.0, operators can choose a warning banner for the U.S. Department of Defense (DoD), U.S. General Services Administration (GSA), or the U.S. Department of Transportation (DOT) Federal Aviation Administration (FAA). Widget A container that groups related information together in the Metasys UI. Widgets are organized and presented on the dashboards and can be maximized to see a larger view of the information. Examples include the Graphics Widget, Trend Widget, and Schedule Widget.

24 Metasys System Glossary Wi-Fi Dongle The USB Wi-Fi dongle is an optional communication access method. The dongle provides a wireless access point connection to a browser-based user interface on most mobile devices. You can also access the user interface over an existing Ethernet network on site. Wireless Commissioning Converter Converter with Bluetooth® wireless technology. The Wireless Commissioning Converter provides a temporary connection between a laptop running CCT software and the controller to perform commissioning, synchronizing, and balancing operations in equipment controllers. Wireless Room Sensors (WRZ) You can use the WRZ Series Wireless Room Sensors to sense room and zone temperature and transmit wireless temperature control data. Some models also sense and transmit relative humidity (RH). Wizard A series of step-by-step dialog windows that leads the user through the installation process or configuration process for devices, objects, and features. WNC Gateway Wireless Network Coordinator Gateway (WNC1800). A component of the ZFR182x Pro Series Wireless Field Bus System that provides BACnet/IP connectivity to compatible Johnson Controls Field Controllers,VAV Controllers, Thermostats and Sensors over a 2.4GHz wireless ISM Band mesh network. The WNC is as a wireless, portable web server that enables you to commission, configure, and access building control equipment over a WiFi network. WRG Gateway Wireless Router Gateway (WRG1830). A component of the ZFR183x Pro Series Wireless Field Bus System that provides BACnet/IP connectivity to compatible Johnson Controls Field Controllers, VAV Controllers, Thermostats and Sensors over a 2.4GHz wireless ISM Band mesh network. The WRG has an intuitive, browser-based interface to access network configuration data, wireless network diagnostics, equipment commissioning tools, and advanced features such as controller fault detection, alarms, and point configuration.

XPM Expansion Modules The M4-XPM series I/O expansion modules can serve in one of two capacities depending on where they are installed in the Metasys system. When installed on the Sensor/Actuator (SA) Bus of a Metasys equipment controller, an XPM expands the input and output interfaces that can be used with that equipment controller. When installed on the Field Controller (FC) Bus of a Metasys network engine, an XPM can be used as I/O point multiplexors to support monitoring and control from a Metasys network engine. The point multiplexor can also be useful for sharing points between other equipment controllers on the FC Bus using peer-to-peer connectivity. Z

Zettler MX Speak 6.0 A comprehensive fire detection system manufactured by Johnson Controls that is common in Europe. At Release 10.1 or later, some network engines have the Zettler integration built-in.

Metasys System Glossary 25 ZFR Checkout Tool (ZCT) The ZFR Checkout Tool (ZCT) is a tool that you use to validate the wireless connectivity and health of wireless devices within any ZFR or ZFR Pro Wireless Field Bus System. The tool helps you ensure that a reliable wireless mesh network is in place. ZFR Pro Coordinator A radio component of the ZFR 182x Pro Series wireless system that connects to a WNC1800 Gateway to provide a wireless interface between Wireless Enabled Field Controllers (WEFCs) and a supervisory controller. WEFCs can be Metasys equipment controllers equipped with ZFR Pro Routers, or wireless TEC3000s. Each wireless mesh network requires one ZFR Pro Coordinator and one WNC1800 Gateway, which initiates the formation of the network. ZFR Pro A system that provides a wireless platform for all Metasys CGM, CVM, and FEC family controllers and select TEC3000 Family controllers using BACnet® protocol over the 2.4 GHz wireless ISM band. Components of the ZFR Pro system create a wireless mesh network that allows for data exchange between gateways, coordinators, sensors, and equipment controllers. ZFR Pro can be used to reference either the ZFR182x or the ZFR183x Pro Series wireless solutions.

26 Metasys System Glossary Common acronyms

Table 1: Common acronyms Acronym Definition Acronym Definition Active Directory Federated Application and Data ADFS ADS System Server Extended Application and ADX AI Analog Input object Data Server Advanced Order AO Analog Output object AOMS Management System Application Protocol Data Application Programming APDU API Units Interface American Society of Advanced Security ASA ASHRAE Heating, Refrigerating, and Appliance Air-Conditioning Engineers Building Automation AV Analog Value object BAS System BACnet Broadcast BBMD BI Binary Input object Management Device Building Control BO Binary Output object BCM Management Bluetooth Commissioning BFT Background File Transfer BTCVT Converter Controller Configuration BV Binary Value object CCT Tool General Purpose Classless Inter-Domain CGM CIDR Application Controller Routing CLI Command-Line Interface COV Change of Value CSV Comma Separated Value CVM VAV Box Controller Dynamic Host Control DDA Destination Delivery Agent DHCP Protocol Demand Limiting/Load DLLR DNS Domain Name Service Rolling Differential Pressure DPT DSN Data Source Name Transducer DX Extended Digital Controller ENDP Enthalpy - Dew Point Enthalpy - Relative ENRH EOL End of Line Humidity Advanced Field Equipment FAC FCP Field Controller Package Controller The Federal Information FEC Field Equipment Controller FIPS Processing Standard GGT Graphic Generation Tool FQR Fully Qualified Reference Graphic Programming GIO Generic Integration object GPL Language

Metasys System Glossary 27 Table 1: Common acronyms Acronym Definition Acronym Definition GSI Global Status Indicator GSL Graphic Stencil Library Hypertext Markup GUID Globally Unique Identifier HTML Language HyperText Transfer HyperText Transfer HTTP HTTPS Protocol Protocol Secure Heating, Ventilating, and HVAC IFC Intelligent Fire Controller Air Conditioning Internet Information Intelligent Lighting IIS ILC Services Controller I/O Input/Output IOM Input/Output Module Cisco trademarked name IOS for its Internetwork IP Internet Protocol Operating System IT Information Technology JAR Java archive Layer 3 Network Address L3NAT LAN Local area network Translation Lightweight Directory LCT Logic Connector Tool LDAP Access Protocol MAC Media Access Control MAP Mobile Access Portal Media Redundancy MEU Metasys Export Utility MRP Protocol Microsoft Message MSI Multistate Input object MSMQ Queuing Master Slave/Token MSO Multistate Output object MS/TP Passing MSV Multistate Value object MUI Metasys User Interface Metasys for Validated Network Automation MVE Environments, extended NAE Engine architecture NCE Network Control Engine NIE Network Integration NS Network Sensors NTLM NT LAN Manager NTP Network Time Protocol OAS Open Application Server ODS Open Data Server PAN ID Personal Area Network ID Protocol Implementation PICS PPA Potential Problem Areas Conformance Statement PPP Point-to-Point Protocol PR Protocol Revision Remote Authentication PVT Product Verification Tool RADIUS Dial-In User Service RTU Roof Top Unit RTU Remote Terminal Unit SAM Security Account Manager SCP Secure Copy Protocol SCT System Configuration Tool SMP Site Management Portal

28 Metasys System Glossary Table 1: Common acronyms Acronym Definition Acronym Definition Simple Mail Transfer Series of network control SMTP SNC Protocol engines Simple Network SNE Series of network engines SNMP Management Protocol Simple Network Time Structured Query SNTP SQL Protocol Language SSH Secure Shell SSO Single sign-on Transmission Control SVI Switch Virtual Interface TCP Protocol TEC Thermostat Controller UDP User Datagram Protocol UGT User Graphics Tool UI User interface UPN User Principal Name VAV Variable Air Volume VAVDD or VAV-DD VAV Dual Duct application VAVSD or VAV-SD VAV Single Duct application VFD Variable Frequency Drive VLAN Virtual Local Area Network VM Virtual Machine VMA VAV Modular Assembly VRF Variable Refrigerant Flow VSD Variable Speed Drive WAN Wide Area Network WRG Wireless Router Gateway WRZ Wireless Room Sensors XPM Expansion I/O Module ZCT ZFR Checkout Tool

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