Introduction: Specifiactions: System Requirement Package Contents

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Introduction: Specifiactions: System Requirement Package Contents

2-Port Parallel PCI Compliant with PCI Local Bus Specification, Revision 2.3 Add two IEEE 1284 Parallel Ports on system Easy Plug and Play Automatic selects IRQ & I/O address Supports Standard Parallel Port (SPP), Enhanced Parallel (EPP) & Enhanced Capability Port (ECP) Faster data rates up to 1.5Mbytes/sec PCI 32-bit 2 x DB25 female parallel connectors Introduction: This UGT-PC20PL is part of a series of I/O card based on the PCI Express technology. It oers TWO LPT port that enables the user to connect parallel devices. The Parallel (LPT) port oer data transfer rate up to 1.5 Mbps with built-in ECP/EPP/SPP/BPP auto switching operation modes to give you maximum system performance and eciency via DB25 pin female connector. This card is the best solution for your Centronics peripherals. The UGT-PC20PL is design to be easy and simple to use for commercial, oce and home use. This card is designed to meet PCI local bus specication rev. 2.3 and with the standard or low prole brackets can be installed virtually in any PC with all major operating systems. The I/O address and IRQ are automatically congured to simplify the installation at the same time oers a reliable and high performance solution for Parallel Communication. Specifiactions: Model: UGT-PC20PL Interface: PCI Ports: 2 Parallel Ports (DB25 Female) Dimensions: 121 x 56 x 18mm System Requirement Windows XP/Vista/7/8 (32/64 bit) Available PCI slot Package Contents 1 x 2-Port Parallel PCI Host Card 1 x Driver CD 1 x User Manual 1 x Bracket with one DB25 female parallel port 2 x Low Profile Brackets Send us an e-mail at: [email protected] www.vantecusa.com All Registered Trademarks Belong To Their Respective Companies Copyright © 2013 Vantec Thermal Technologies. All Rights Reserved..

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Rs-232 Rs-422 Rs-485
ConceptConcept ofof SerialSerial CommunicationCommunication AgendaAgenda Serial v.s. Parallel Simplex , Half Duplex , Full Duplex Communication RS-485 Advantage over RS-232 SerialSerial v.s.v.s. ParallelParallel Application: How to Measure the temperature in a long distance? Measuring with a DAC card: 1200 m Remote sensor Control room T/C wire T/C A/D noise Application: How to Measure the temperature in a long distance? Measuring with a remote I/O module: 1200 m Remote sensor Control room T/C Remote I/O Standard Serial Communication T/C signal, 4-20mA, 0-5V… Noise rejection (Differential signal) MostMost PopularPopular 33 typestypes ofof SerialSerial Comm.Comm. z Most commonly available Tx Rx Rx Tx z Simple wiring CTS RTS z Low cost RTS CTS RS-232 z Short length (40 ft) DTR DSR DSR DTR Bar code reader z Slow data rates GND GND z Subject to noise Tx+ z High data rates Tx- z Longer cable lengths (4000 ft) Rx+ Rx- RS-422 z Full-duplex GND z Noise rejection PLC z Multipoint application (Up to 32 units) z Low cost Data+ z Longer cable lengths (4000 ft) Data- RS-485 zNoise immunity GND zHalf-duplex PLC SerialSerial V.S.V.S. ParallelParallel CommunicationCommunication Serial Communication Transfer the data bit by bit Synchronous Data Transfer Bit Send Data Receive Data Parallel Communication Transfer the all data simultaneously Asynchronous Data Transfer Bit Bit Bit Bit Bit Bit Bit Bit Send Data Receive Data SimplexSimplex ,, HalfHalf DuplexDuplex ,, FullFull DuplexDuplex CommunicationCommunication SimplexSimplex CommunicationCommunication Simplex Communication : – Data in a simplex channel is always one way.
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Computer Architecture 10 Serial Communication Buses Made wi th OpenOffi ce.org 1 Serial Communication SendingSending datadata oneone bitbit atat oneone time,time, sequentiallysequentially SerialSerial vsvs parallelparallel communicationcommunication cable cost (or PCB space), synchronization, distance ! speed ? ImprovedImproved serialserial communicationcommunication technologytechnology allowsallows forfor transfertransfer atat higherhigher speedsspeeds andand isis dominatingdominating thethe modernmodern digitaldigital technology:technology: RS232, RS-485, I2C, SPI, 1-Wire, USB, FireWire, Ethernet, Fibre Channel, MIDI, Serial Attached SCSI, Serial ATA, PCI Express, etc. Made wi th OpenOffi ce.org 2 RS232, EIA232 TheThe ElectronicElectronic IndustriesIndustries AllianceAlliance (EIA)(EIA) standardstandard RS-232-CRS-232-C (1969)(1969) definition of physical layer (electrical signal characteristics: voltage levels, signaling rate, timing, short-circuit behavior, cable length, etc.) 25 or (more often) 9-pin connector serial transmission (bit-by-bit) asynchronous operation (no clock signal) truly bi-directional transfer (full-duplex) only limited power can be supplied to another device numerous handshake lines (seldom used) many protocols use RS232 (e.g. Modbus) Made wi th OpenOffi ce.org 3 Voltage Levels RS-232RS-232 standardstandard convertconvert TTL/CMOS-levelTTL/CMOS-level signalssignals intointo bipolarbipolar voltagevoltage levelslevels toto improveimprove noisenoise immunityimmunity andand supportsupport longlong cablecable lengthslengths TTL/CMOS → RS232: 0V = logic zero → +3V…+12V (SPACE) +5V (+3.3V) = logic one → −3V…−12V (MARK) Some equipment ignores the negative level and accepts a zero voltage level as the "OFF" state The "dead area" between +3V and -3V may vary, many receivers are sensitive to differentials of 1V or less Made wi th OpenOffi ce.org 4 Data frame CompleteComplete one-byteone-byte frameframe consistsconsists of:of: start-bit (SPACE), data bits (7, 8), stop-bits (MARK) e.g.
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