Discussing Campus LAN Physical Technologies

Sean Wilkins NETWORK ENGINEER, AUTHOR AND TECHNICAL EDITOR @Sean_R_Wilkins www.infodispersion.com This bullet list with animations

Overview This bullet list with animations

Overview Cabling Types This bullet list with animations

Overview Cabling Types

Transceiver Types This bullet list with animations

Overview Cabling Types

Transceiver Types

Ethernet and Other Physical Standards This bullet list with animations

Overview Cabling Types

Transceiver Types

Ethernet and Other Physical Standards

Globomantics - Physical Options Lots of different options exist Cabling Types Cabling Types

Twisted pair copper cable with a RJ-45 connector Cabling Types

Twisted pair copper cable with a RJ-45 connector

Been around for years Cabling Types

Twisted pair copper cable with a RJ-45 connector

Been around for years

Operates similarly with enhanced speed and cabling characteristics Cabling Types

Twisted pair copper cable with a RJ-45 connector

Been around for years

Operates similarly with enhanced speed and cabling characteristics

Has a reach of 100 meters and speeds up to 40 Gbps Cabling Types

Twisted pair copper cable with a RJ-45 connector

Been around for years

Operates similarly with enhanced speed and cabling characteristics

Has a reach of 100 meters and speeds up to 40 Gbps

Recommended: – Connecting directly to end devices Cabling Types

Twisted pair copper cable with a RJ-45 connector

Been around for years

Operates similarly with enhanced speed and cabling characteristics

Has a reach of 100 meters and speeds up to 40 Gbps

Recommended: – Connecting directly to end devices – Interconnecting networking devices Twisted Pair Cabling Standards Twisted Pair Cabling Standards

Cat 3

Category 3 up to 10 Mbps Twisted Pair Cabling Standards

Cat 3 Cat 5

Category 3 Category 5 up to up to 10 Mbps 100 Mbps Twisted Pair Cabling Standards

Cat 3 Cat 5 Cat 5e

Category 3 Category 5 Category 5e up to up to up to 10 Mbps 100 Mbps 1000 Mbps Twisted Pair Cabling Standards

Cat 3 Cat 5 Cat 5e Cat 6, 6a, 7

Category 3 Category 5 Category 5e Category up to up to up to 6, 6a, 7 10 Mbps 100 Mbps 1000 Mbps Up to 10 Gbps Twisted Pair Cabling Standards

Cat 3 Cat 5 Cat 5e Cat 6, 6a, 7 Cat 8, 8.1, 8.2

Category 3 Category 5 Category 5e Category Category 8, up to up to up to 6, 6a, 7 8.1, 8.2 10 Mbps 100 Mbps 1000 Mbps Up to Up to 10 Gbps 40 Gbps Factors for Selecting Cable

Equipment Factors for Selecting Cable

Equipment Budget Factors for Selecting Cable

Equipment Budget Environment Other Copper Options

Twinax InfiniBand (Direct Attach Copper)

Limited cable distance Twinax (DAC) – supports up to 400 Gbps InfiniBand – supports up to 200 Gbps Factors for Selecting Cables

Benefits of copper and fiber Factors for Selecting Cables

Benefits of Cheaper than copper and fiber fiber alternatives Factors for Selecting Cables

Benefits of Cheaper than Require less power copper and fiber fiber alternatives and latency Fiber Optic Fiber Optic

Many different types of fiber cabling Fiber Optic

Many different types of fiber cabling

Many characteristics overlap with alternatives Fiber Optic

Many different types of fiber cabling

Many characteristics overlap with alternatives

Many different types of fiber including category levels Two Main Types of Fiber Two Main Types of Fiber

125 μm Cladding

Core

9 μm Single Mode Fiber (SMF) Two Main Types of Fiber

125 μm 125 μm 125 μm Cladding

Core

9 μm 50 μm 62.5 μm Single Mode Fiber (SMF) Multi Mode Fiber (MMF) Two Main Types of Fiber

125 μm 125 μm 125 μm Cladding

Core

9 μm 50 μm 62.5 μm Single Mode Fiber (SMF) Multi Mode Fiber (MMF) Narrow core (~9 microns) Two Main Types of Fiber

125 μm 125 μm 125 μm Cladding

Core

9 μm 50 μm 62.5 μm Single Mode Fiber (SMF) Multi Mode Fiber (MMF) Narrow core (~9 microns) Single mode of light Two Main Types of Fiber

125 μm 125 μm 125 μm Cladding

Core

9 μm 50 μm 62.5 μm Single Mode Fiber (SMF) Multi Mode Fiber (MMF) Narrow core (~9 microns) Wide core (50/62.5 microns) Single mode of light Two Main Types of Fiber

125 μm 125 μm 125 μm Cladding

Core

9 μm 50 μm 62.5 μm Single Mode Fiber (SMF) Multi Mode Fiber (MMF) Narrow core (~9 microns) Wide core (50/62.5 microns) Single mode of light Multiple modes of light Two Main Types of Fiber

125 μm 125 μm 125 μm Cladding

Core

9 μm 50 μm 62.5 μm Single Mode Fiber (SMF) Multi Mode Fiber (MMF) Two Main Types of Fiber

125 μm 125 μm 125 μm Cladding

Core

9 μm 50 μm 62.5 μm Single Mode Fiber (SMF) Multi Mode Fiber (MMF) Short cable lengths Two Main Types of Fiber

125 μm 125 μm 125 μm Cladding

Core

9 μm 50 μm 62.5 μm Single Mode Fiber (SMF) Multi Mode Fiber (MMF) Short cable lengths Used within the same room or a small building Two Main Types of Fiber

125 μm 125 μm 125 μm Cladding

Core

9 μm 50 μm 62.5 μm Single Mode Fiber (SMF) Multi Mode Fiber (MMF) Longer cable lengths Short cable lengths Used within the same room or a small building Two Main Types of Fiber

125 μm 125 μm 125 μm Cladding

Core

9 μm 50 μm 62.5 μm Single Mode Fiber (SMF) Multi Mode Fiber (MMF) Longer cable lengths Short cable lengths Maximum distance of 100s of Used within the same room or kilometers (amplified) a small building Multi Mode Fiber Options

OM1 Multi Mode Fiber Options

OM1 OM2 Multi Mode Fiber Options

OM1 OM2 OM3 Multi Mode Fiber Options

OM1 OM2 OM3 OM4 Multi Mode Fiber Options

OM1 OM2 OM3 OM4 OM5 Multi Mode Fiber Options

OM1 OM2 OM3 OM4 OM5

Legacy MMF Multi Mode Fiber Options

OM1 OM2 OM3 OM4 OM5

Legacy MMF (50 or 62.5) Multi Mode Fiber Options

OM1 OM2 OM3 OM4 OM5

50 micron core

Legacy MMF (50 or 62.5) Multi Mode Fiber Options

OM1 OM2 OM3 OM4 OM5

50 micron core Used for longer distances Legacy MMF (50 or 62.5) Multi Mode Fiber Options

OM1 OM2 OM3 OM4 OM5

50 micron core Used for longer distances Legacy MMF Faster rates (50 or 62.5) Multi Mode Fiber Options

OM1 OM2 OM3 OM4 OM5

50 micron core Used for longer distances Legacy MMF Faster rates (50 or 62.5) OM3, OM4 – “Laser optimized” Multi Mode Fiber Options

OM1 OM2 OM3 OM4 OM5

50 micron core Used for longer distances Legacy MMF Faster rates (50 or 62.5) OM3, OM4 – “Laser optimized” OM5 - SWDM Active Optical Cables (AOC)

Similar use to DAC Active Optical Cables (AOC)

Utilize an electrical connection, with optical transport Active Optical Cables (AOC)

Higher Lighter Less power Immune to EMI performance Active Optical Cables (AOC)

Supports up to 400 Gbps

Review the different fiber optic connectors Review the different fiber optic connectors

There are many different fiber optic connector types compared with the one (RJ-45) that is used for copper cabling ST

Uses twist on-off (bayonet) mechanism, simplex SC

Push/pull and click mechanism, simplex or duplex ST and SC Compatible Ferrule Design LC

Retaining tab mechanism, Smaller than ST/SC, duplex Preferred option MPO

Push on mechanism, multiple types depending on fiber count Preferred option MTRJ

Retaining tab mechanism, duplex

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Most Common on Cisco Equipment This slide is with animations Transceiver Types

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted This slide is with animations Transceiver Types

The physical interface is sometimes built-in (transceiver)

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted This slide is with animations Transceiver Types

The physical interface is sometimes built-in (transceiver)

Common on smaller networking equipment and high-density RJ-45

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted This slide is with animations Transceiver Types

The physical interface is sometimes built-in (transceiver)

Common on smaller networking equipment and high-density RJ-45

Not as common with higher speed/density requirements

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted This slide is with animations Transceiver Types

The physical interface is sometimes built-in (transceiver)

Common on smaller networking equipment and high-density RJ-45

Not as common with higher speed/density requirements

Often the transceiver is separate and insertable

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Type Selection Transceiver Type Selection

Cabling Type Transceiver Type Selection

Cabling Type Standard Used Transceiver Type Selection

Cabling Type Standard Used Equipment Used Transceiver Type Selection

Cabling Type Standard Used Equipment Used Line Card Used Transceiver Type Selection

Cabling Type Standard Used Equipment Used Line Card Used

Smaller transceiver size/density has driven development of new options Transceiver Types

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Gigabit Interface Converter (GBIC) used for:

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Gigabit Interface Converter (GBIC) used for: – Gigabit Ethernet

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Gigabit Interface Converter (GBIC) used for: – Gigabit Ethernet – UTP with RJ-45 connectors

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Gigabit Interface Converter (GBIC) used for: – Gigabit Ethernet – UTP with RJ-45 connectors – SMF or MMF using SC connectors

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Small Form-Factor Pluggable (SFP) used for:

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Small Form-Factor Pluggable (SFP) used for: – Up to Gigabit Ethernet

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Small Form-Factor Pluggable (SFP) used for: – Up to Gigabit Ethernet – UTP with RJ-45 connectors

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Small Form-Factor Pluggable (SFP) used for: – Up to Gigabit Ethernet – UTP with RJ-45 connectors – SMF or MMF using duplex LC connectors

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Small Form-Factor Pluggable Plus (SFP+) used for:

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Small Form-Factor Pluggable Plus (SFP+) used for: – Up to 10 Gigabit Ethernet

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Small Form-Factor Pluggable Plus (SFP+) used for: – Up to 10 Gigabit Ethernet – SMF or MMF using LC connectors

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Small Form-Factor Pluggable Plus (SFP+) used for: – Up to 10 Gigabit Ethernet – SMF or MMF using LC connectors – Copper Twin-ax (DAC)

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types XENPAK used for:

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types XENPAK used for: – 10 Gigabit Ethernet

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types XENPAK used for: – 10 Gigabit Ethernet – Physical Larger than alternatives

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types XENPAK used for: – 10 Gigabit Ethernet – Physical Larger than alternatives – SMF or MMF using SC connectors

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types XENPAK used for: – 10 Gigabit Ethernet – Physical Larger than alternatives – SMF or MMF using SC connectors – Copper using InfiniBand 4x connectors

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Smaller successor to XENPAK

X2 used for: – 10 Gigabit Ethernet

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Smaller successor to XENPAK

X2 used for: – 10 Gigabit Ethernet – UTP with RJ-45 connectors – Copper using InfiniBand connectors – SMF or MMF using SC connectors

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types XFP used for:

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types XFP used for: – 10 Gigabit Ethernet

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types XFP used for: – 10 Gigabit Ethernet – SMF or MMF using duplex LC connectors

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types SFP28 used for:

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types SFP28 used for: – 25 Gigabit Ethernet

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types SFP28 used for: – 25 Gigabit Ethernet – SMF or MMF using duplex LC connectors

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types SFP28 used for: – 25 Gigabit Ethernet – SMF or MMF using duplex LC connectors – Copper Twin-ax (DAC)

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types SFP28 used for: – 25 Gigabit Ethernet – SMF or MMF using duplex LC connectors – Copper Twin-ax (DAC) – Active optical cables (AOC)

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Quad Small Form-Factor Plus (QSFP+) used for: – 40 Gigabit Ethernet (4 – 10 Gbps Lanes)

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Quad Small Form-Factor Plus (QSFP+) used for: – 40 Gigabit Ethernet (4 – 10 Gbps Lanes) – SMF or MMF using LC or MPO connectors

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Quad Small Form-Factor Plus - 28 (QSFP28) used for: – 100 Gigabit Ethernet (4 – 25Gbps OR 10 – 10 Gbps lanes)

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Quad Small Form-Factor Plus - 28 (QSFP28) used for: – 100 Gigabit Ethernet (4 – 25Gbps OR 10 – 10 Gbps lanes) – SMF or MMF using SC, LC or MPO connectors

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types

C Form-Factor Pluggable (CFP) was one of the first options to support 40 and 100 Gbps speeds

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types

C Form-Factor Pluggable (CFP) was one of the first options to support 40 and 100 Gbps speeds

Large compared with earlier covered options

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types

C Form-Factor Pluggable (CFP) was one of the first options to support 40 and 100 Gbps speeds

Large compared with earlier covered options

CFP2 are half the size, CFP4 are half the size of CFP2

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types

C Form-Factor Pluggable (CFP) was one of the first options to support 40 and 100 Gbps speeds

Large compared with earlier covered options

CFP2 are half the size, CFP4 are half the size of CFP2

Typically supports SC or MPO connectors

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types

C Form-Factor Pluggable (CFP) was one of the first options to support 40 and 100 Gbps speeds

Large compared with earlier covered options

CFP2 are half the size, CFP4 are half the size of CFP2

Typically supports SC or MPO connectors

Cisco has mainly preferred their CPAK transceiver over CFP2 and later options

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types

C Form-Factor Pluggable (CFP) was one of the first options to support 40 and 100 Gbps speeds

Large compared with earlier covered options

CFP2 are half the size, CFP4 are half the size of CFP2

Typically supports SC or MPO connectors

Cisco has mainly preferred their CPAK transceiver over CFP2 and later options

CPAK supports SC and MPO connectors

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types CXP used for:

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types CXP used for: – 40 and 100 Gigabit Ethernet (Cisco supports 100)

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types CXP used for: – 40 and 100 Gigabit Ethernet (Cisco supports 100) – Clustering and high speed environments

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types CXP used for: – 40 and 100 Gigabit Ethernet (Cisco supports 100) – Clustering and high speed environments – SMF or MMF using MPO connectors

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted QSFP28 is the most preferred 100 Gbps option Transceiver Types

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Small Form-Factor Pluggable Double Density (QSFP- DD) used for: – Up to 400 Gigabit Ethernet

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Transceiver Types Small Form-Factor Pluggable Double Density (QSFP- DD) used for: – Up to 400 Gigabit Ethernet – SMF or MMF using LC or MPO connectors

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted Cisco Transceiver Links

Cisco Transceivers https://idfo.in/2IZG9Oi

Cisco Optics Compatibility Matrix https://tmgmatrix.cisco.com/ Ethernet and Other Physical Standards Ethernet and Other Physical Standards

Many different standards supported by Cisco and other vendors Ethernet and Other Physical Standards

Many different standards supported by Cisco and other vendors Focus on standards supported in a LAN environment Ethernet and Other Physical Standards Ethernet and Other Physical Standards

Access layer links generally limited to gigabit speeds Ethernet and Other Physical Standards

Access layer links generally limited to gigabit speeds Companies handling video or large scale design applications are an exception Ethernet and Other Physical Standards

Access layer links generally limited to gigabit speeds Companies handling video or large scale design applications are an exception Most common gigabit standard used is 1000BASE-T and 1000BASE-SX 1000BASE-T 1000BASE-T standard supported on > Category 5e cabling 1000BASE-T 1000BASE-T standard supported on > Category 5e cabling

New implementations may utilize Category 6a 1000BASE-T 1000BASE-T standard supported on > Category 5e cabling

New implementations may utilize Category 6a Deployed widely since 1999 1000BASE-T 1000BASE-T standard supported on > Category 5e cabling

New implementations may utilize Category 6a Deployed widely since 1999 Maximum cable distance of 100 meters 1000BASE-T 1000BASE-T standard supported on > Category 5e cabling

New implementations may utilize Category 6a Deployed widely since 1999 Maximum cable distance of 100 meters Commonly used at the access layer 1000BASE-SX 1000BASE-SX Standardized in 1998 1000BASE-SX Standardized in 1998 Supported using MMF 1000BASE-SX Standardized in 1998 Supported using MMF Maximum cable distance of 550 meters 1000BASE-SX Standardized in 1998 Supported using MMF Maximum cable distance of 550 meters Typically used: 1000BASE-SX Standardized in 1998 Supported using MMF Maximum cable distance of 550 meters Typically used:

- Requirement for longer maximum reach 1000BASE-SX Standardized in 1998 Supported using MMF Maximum cable distance of 550 meters Typically used:

- Requirement for longer maximum reach

- High electrical noise environments 2.5GBASE-T, 5GBASE-T, and 802.3bz 2.5GBASE-T, 5GBASE-T, and 802.3bz Wireless access points perform the same duties as a physical switch 2.5GBASE-T, 5GBASE-T, and 802.3bz Wireless access points perform the same duties as a physical switch Modern APs require uplinks greater than gigabit 2.5GBASE-T, 5GBASE-T, and 802.3bz Wireless access points perform the same duties as a physical switch Modern APs require uplinks greater than gigabit Groups developing higher speed possibilities with same UTP cabling: 2.5GBASE-T, 5GBASE-T, and 802.3bz Wireless access points perform the same duties as a physical switch Modern APs require uplinks greater than gigabit Groups developing higher speed possibilities with same UTP cabling:

- NBASE-T: Founded by Cisco and other vendors 2.5GBASE-T, 5GBASE-T, and 802.3bz Wireless access points perform the same duties as a physical switch Modern APs require uplinks greater than gigabit Groups developing higher speed possibilities with same UTP cabling:

- NBASE-T: Founded by Cisco and other vendors

- MGBASE-T Alliance 2.5GBASE-T, 5GBASE-T, and 802.3bz Wireless access points perform the same duties as a physical switch Modern APs require uplinks greater than gigabit Groups developing higher speed possibilities with same UTP cabling:

- NBASE-T: Founded by Cisco and other vendors

- MGBASE-T Alliance End result was IEEE 802.3bz which includes 2.5 (2.5GBASE-T) and 5 (5GBASE-T) gigabit options using Category 5e and 6 cabling 10GBASE-T, 10GBASE-SR, 10-GBASE-LRM, 10GBASE-LX4, 10GBASE-CX1, 10GBASE-CX4 10GBASE-T, 10GBASE-SR, 10-GBASE-LRM, 10GBASE-LX4, 10GBASE-CX1, 10GBASE-CX4 10 gigabit and greater speeds used traditionally for non-user devices 10GBASE-T, 10GBASE-SR, 10-GBASE-LRM, 10GBASE-LX4, 10GBASE-CX1, 10GBASE-CX4 10 gigabit and greater speeds used traditionally for non-user devices Many of the higher speed options have several basic capabilities in common 10GBASE-T, 10GBASE-SR, 10-GBASE-LRM, 10GBASE-LX4, 10GBASE-CX1, 10GBASE-CX4 10 gigabit and greater speeds used traditionally for non-user devices Many of the higher speed options have several basic capabilities in common 10 gigabit options include:

- 10GBASE-T - 10-GBASE-LRM - 10GBASE-CX1

- 10GBASE-SR - 10GBASE-LX4 - 10GBASE-CX4 10GBASE-T 10GBASE-T 10GBASE-T utilizes UTP cabling 10GBASE-T 10GBASE-T utilizes UTP cabling Maximum cable distance of 100 meters using Category 6a cabling 10GBASE-T 10GBASE-T utilizes UTP cabling Maximum cable distance of 100 meters using Category 6a cabling Primary advantage that it is supported using cheap existing cabling 10GBASE-T 10GBASE-T utilizes UTP cabling Maximum cable distance of 100 meters using Category 6a cabling Primary advantage that it is supported using cheap existing cabling Primary disadvantage is its power requirements and added latency

10GBASE-SR, 10GBASE-LX4 and 10GBASE-LRM All use MMF 10GBASE-SR, 10GBASE-LX4 and 10GBASE-LRM All use MMF

10GBASE-SR Supports all MMF categories up to 400 meters but distance very limited by lower categories 10GBASE-SR, 10GBASE-LX4 and 10GBASE-LRM All use MMF

10GBASE-SR Supports all MMF categories up to 400 meters but distance very limited by lower categories

10GBASE-LX4 Mitigates the limitations of SR on lower cable categories using WDM (4 wavelengths), limited to XENPAK and X2 transceivers, up to 300 meters or 10 km (SMF), largely deprecated 10GBASE-SR, 10GBASE-LX4 and 10GBASE-LRM All use MMF

10GBASE-SR Supports all MMF categories up to 400 meters but distance very limited by lower categories

10GBASE-LX4 Mitigates the limitations of SR on lower cable categories using WDM (4 wavelengths), limited to XENPAK and X2 transceivers, up to 300 meters or 10 km (SMF), largely deprecated

10GBASE-LRM Response to LX4 transceiver limitations, supports smaller form factor transceivers, up to 220 meters Ethernet and Other Physical Standards Ethernet and Other Physical Standards

10GBASE-CX1 10GBASE-CX4 Ethernet and Other Physical Standards

10GBASE-CX1 10GBASE-CX4 Pre-attached SFP+ DAC or AOC Up to 5 meters passively or 10 meters actively

Both intended to be used over very short distances Lower power and cost Ethernet and Other Physical Standards

10GBASE-CX1 10GBASE-CX4 Pre-attached SFP+ DAC or AOC InfiniBand cabling using 4X connector Up to 5 meters passively or 10 meters actively up to 15 meters

Both intended to be used over very short distances Lower power and cost 25GBASE-SR/CR1 25GBASE-SR/CR1 Utilizes higher category MMF (OM3, OM4) with LC connectors 25GBASE-SR/CR1 Utilizes higher category MMF (OM3, OM4) with LC connectors Maximum cable distance of 70 (OM3) and 100 (OM4) meters 25GBASE-SR/CR1 Utilizes higher category MMF (OM3, OM4) with LC connectors Maximum cable distance of 70 (OM3) and 100 (OM4) meters Pre-attached SFP+ DAC (25GBASE-CR1) or AOC 25GBASE-SR/CR1 Utilizes higher category MMF (OM3, OM4) with LC connectors Maximum cable distance of 70 (OM3) and 100 (OM4) meters Pre-attached SFP+ DAC (25GBASE-CR1) or AOC 25GBASE-T is available from other vendors Ethernet and Other Physical Standards

40GBASE-SR4 Ethernet and Other Physical Standards

40GBASE-CSR4 Ethernet and Other Physical Standards

40GBASE-CSR-S Ethernet and Other Physical Standards

40Gig BiDirectional (BiDi) Ethernet and Other Physical Standards

40GBASE-CR4 40GBASE-SR4 40GBASE-SR4 Utilizes higher category MMF (OM3, OM4) with MPO-12 connector 40GBASE-SR4 Utilizes higher category MMF (OM3, OM4) with MPO-12 connector Up to 100 meters with OM3 Up to 150 meters with OM4 40GBASE-CSR4 40GBASE-CSR4 Utilizes MMF (OM2, OM3, OM4) with MPO-12 connector 40GBASE-CSR4 Utilizes MMF (OM2, OM3, OM4) with MPO-12 connector Up to 82 meters with OM2 40GBASE-CSR4 Utilizes MMF (OM2, OM3, OM4) with MPO-12 connector Up to 82 meters with OM2 Up to 300 meters with OM3 40GBASE-CSR4 Utilizes MMF (OM2, OM3, OM4) with MPO-12 connector Up to 82 meters with OM2 Up to 300 meters with OM3 Up to 400 meters with OM4 40GBASE-CSR-S 40GBASE-CSR-S Like CSR4, but using WDM with four wavelengths Utilizes MMF (OM3, OM4) with LC connector 40GBASE-CSR-S Like CSR4, but using WDM with four wavelengths Utilizes MMF (OM3, OM4) with LC connector Up to 300 meters with OM3 Up to 400 meters with OM4 Cisco's 40Gig Bidirectional (BiDi) Cisco's 40Gig Bidirectional (BiDi) Utilizes MMF (OM3, OM4) with LC connector Cisco's 40Gig Bidirectional (BiDi) Utilizes MMF (OM3, OM4) with LC connector Uses two different wavelengths (2 – 20 Gbps channels) Cisco's 40Gig Bidirectional (BiDi) Utilizes MMF (OM3, OM4) with LC connector Uses two different wavelengths (2 – 20 Gbps channels) Up to 30 meters with OM2 Up to 100 meters with OM3 Up to 150 meters with OM4 40GBASE-CR4/AOC 40GBASE-CR4/AOC Support short distance cable options using copper and optical 40GBASE-CR4/AOC Support short distance cable options using copper and optical Pre-attached QSFP 40GBASE-T 40GBASE-T Utilizes category 8 cabling 40GBASE-T Utilizes category 8 cabling Supports up to 30 meters 40GBASE-T Utilizes category 8 cabling Supports up to 30 meters Cisco currently has limited support

100GBASE-SR10

100GBASE-SR4

Cisco QSFP 100Gig BiDirectional (BiDi) 100GBASE-SR10 Up to 150 meters 10 duplex OM4 fibers using MPO-24 connector

100GBASE-SR4

Cisco QSFP 100Gig BiDirectional (BiDi) 100GBASE-SR10 Up to 150 meters 10 duplex OM4 fibers using MPO-24 connector

100GBASE-SR4 Largely superseded SR10 standard Up to 70 meters (OM3) or 100 meters (OM4) 4 duplex fibers using MPO-12 connector Cisco QSFP 100Gig BiDirectional (BiDi) 100GBASE-SR10 Up to 150 meters 10 duplex OM4 fibers using MPO-24 connector

100GBASE-SR4 Largely superseded SR10 standard Up to 70 meters (OM3) or 100 meters (OM4) 4 duplex fibers using MPO-12 connector Cisco QSFP 100Gig BiDirectional (BiDi)

Up to 70 meters (OM3) or 100 meters (OM4) Two wavelengths using LC connector

100GBASE-CR4

100 Gigabit AOC 100GBASE-CR4 Builds on 40GBASE-CR4 Very short range, up to 5 meters passively

100 Gigabit AOC Up to 30 meters 400 Gigabit Options 400 Gigabit Options Standards exist 400 Gigabit Options Standards exist None currently supported by Cisco using duplex or ribbon fiber 400 Gigabit Options Standards exist None currently supported by Cisco using duplex or ribbon fiber DAC (3 meter) and AOC (30 meter) are available

Globomantics Globomantics Offices

Floor 12 Floor 11 Mfg Facility Floor 10 Floor 9 Floor 4 Floor 8 Floor 3 Floor 7 Floor 2 Floor 6 Floor 5 Floor 4 Floor 3 Floor 2 Globomantics Offices

Floor 12 Floor 11 Mfg Facility Floor 10 Floor 9 Floor 4 Floor 8 Floor 3 Floor 7 Floor 2 Floor 6 Floor 5 Floor 4 Floor 3 Floor 2 This slide is with animations This slide is with animations

Each end host will require a single gigabit access port This slide is with animations

Each end host will require a single gigabit access port Each host will be within 100 meters of the access layer switch This slide is with animations

Each end host will require a single gigabit access port Each host will be within 100 meters of the access layer switch 100 hosts per floor This slide is with animations This slide is with animations

UTP is the obvious choice This slide is with animations

UTP is the obvious choice Category 6a would be best option This slide is with animations

UTP is the obvious choice Category 6a would be best option Category 5e still supports up to 5 gigabit This slide is with animations This slide is with animations

Wouldn’t require additional transceiver This slide is with animations

Wouldn’t require additional transceiver Utilize 1000BASE-T This slide is with animations

Wouldn’t require additional transceiver Utilize 1000BASE-T Maximum of 100 Gbps of traffic This slide is with animations This slide is with animations

10 Gigabit uplinks using duplex OM4 MMF This slide is with animations

10 Gigabit uplinks using duplex OM4 MMF Could extend to multiple OM4 pairs between distribution and core This slide is with animations This slide is with animations

Fast option required at the core layer This slide is with animations

Fast option required at the core layer Could deploy multiple MMF or SMF This slide is with animations

Fast option required at the core layer Could deploy multiple MMF or SMF Assuming <100 meters, 8 pair MMF would work with 40GBASE-SR4 This bullet list with animations

Module Summary This bullet list with animations

Module Summary Cabling Types This bullet list with animations

Module Summary Cabling Types

Transceiver Types This bullet list with animations

Module Summary Cabling Types

Transceiver Types

Ethernet and Other Physical Standards This bullet list with animations

Module Summary Cabling Types

Transceiver Types

Ethernet and Other Physical Standards

Globomantics - Physical Options