Cisco Catalyst 2940 Series - Cisco Optics General Overview

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General Overview
Cable Type Copper MMF
Fast Ethernet (FE)
Optics Type 100BASE-FX
Maximum Distance 2 km
Form Factor SFP
Gigabit Ethernet (GbE)
Optics Type 1000BASE-T 1000BASE-SX
Maximum Distance 100 m 550 m
Form Factor SFP/GBIC SFP/GBIC
10 Gigabit Ethernet (10GbE)
Optics Type 10GBASE-CX4 10GBASE-SR
Maximum Distance 15 m 26 to 300 m
Form Factor XENPAK/X2 XENPAK/X2
MMF SMF SMF
100BASE-LX 100BASE-BX-D/U
10 km 10 km
SFP SFP
1000BASE-LX 100BASE-BX-D/U
10 km 10 km
SFP/GBIC SFP
10GBASE-LX4 10GBASE-LR
300 m 10 km
XENPAK/X2 XENPAK/X2
Cisco Optics
Cisco Optics General Overview
Cable Type SMF SMF
Fast Ethernet (FE)
Optics Type
Maximum Distance
Form Factor
Gigabit Ethernet (GbE)
Optics Type 1000BASE-ZX
Maximum Distance ~70 km
Form Factor SFP/GBIC
10 Gigabit Ethernet (10GbE)
Optics Type 10GBASE-ER 10GBASE-ZR
Maximum Distance 40 km ~80 km
Form Factor XENPAK XENPAK
SMF SMF
1000BASE-CWDM 1000BASE-DWDM
~70 to 100 km ~70 to 100 km
SFP/GBIC GBIC
10GBASE-DWDM
~80 km
XENPAK