Network Cable Types and Specifications

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10Mbps Networking

StandardCable TypeSegment LengthConnectorTopologyIEEE Standard
10Base2 Thin Coaxial 185 meters BNC Physical bus803.2a
10BaseT Category 3, 4, 5 twisted pair 100 meters RJ-45 Physical star
10BaseFL Fiber-optic 2000 meters SC/ST Physical star

Notes on 10Base2

10Base2 networks follow the 5-4-3 rule whereby there is a maximun of 5 network segments allowed, using a maximum of 4 repeaters. Only 3 of the 5 permitted segments may be populated.

Each populated 10Base2 segment is limited to a maximum of 30 attached nodes.


Notes on 10BaseT

10BaseT networks follow the 5-4-5 rule whereby there is a maximum of 5 network segments allowed, using a maximum of 4 repeaters. All 5 segments may be populated with nodes.

Fast Ethernet Networking

Fast Ethernet defines a group of stnadards for networking speed of 100 Mbps

StandardCable TypeSegment LengthConnectorTopologyIEEE Standard
100BaseTX Category 5 UTP 100 meters RJ-45 Physical Star802.3u
100BaseT4 Category 3, 4, 5 UTP 100 meters RJ-45 Physical Star802.3u
100BaseFX Multimode
Single-mode fiber-optic
412 meters / Multimode fiber
10000 meters / Single-mode fiber
SC, ST Physical Star802.3u
FDDI Fiber Optic /
Twisted Pair (CDDI)
2000 meters SC, ST Dual RingANSI FDDI

Gigabit Ethernet Networking

StandardCable TypeSegment LengthConnectorIEEE Standard
1000BaseLX Multimode/Single-mode fiber 550/multimode 5000/Single-mode Fiber connectors 802.3z
1000BaseSX Multimode fiber 550 meters with 50 micron multimode fiber Fiber connectors 802.3z
1000BaseCX Sheilded Twisted Pair 25 meters 9-pin shielded connector
8-pin fiber channel type 2 connector
802.3z
1000BaseT UTP Category 5 75 meters 75 meters 802.3ab

10 Gigabit Ethernet

StandardTransmission Type Distance Cable type ConnectorIEEE Standard
10GBBaseSRBaseband 33m / 300m 50 micron / 62.5 micron multimode Fiber connectors802.3ae
10GBBaseLRBaseband 10000 meters Single-mode fiber Fiber connectors802.3ae
10GBBaseERBaseband 40000 meters Single-mode fiber Fiber connectors802.3ae