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Appendix C
Cable Lengths
Use the following table to as a guide for the maximum cable lengths.
Standard Media Type Maximum
Distance
1000BASE-LX, Single-mode
fiber module
10km (32,808ft)
1000BASE-SX, Multi-mode
fiber module
550m (1805ft)
1000BASE-LHX, Single-
mode fiber module
40km (131,234ft)
Mini-GBIC
1000BASE-ZX, Single-mode
fiber module
80km (262,467ft)
1000BASE-T
Category 5e UTP Cable
Category 5 UTP Cable
(1000 Mbps)
100m (328ft)
100BASE-TX Category 5 UTP Cable
(100 Mbps)
100m (328ft)
10BASE-T Category 3 UTP Cable
(10 Mbps)
100m (328ft)
Glossary
1000BASE-LX: A short laser wavelength on multimode fiber optic cable for a
maximum length of 550 meters (1805 feet).
1000BASE-SX: A long wavelength for a "long haul" fiber optic cable for a maximum
length of 10 kilometers (32,808 feet).
100BASE-FX:
100Mbps Ethernet implementation over fiber.
100BASE-TX: 100Mbps Ethernet implementation over Category 5 and Type 1
Twisted Pair cabling.
10BASE-T: The IEEE 802.3 specification for Ethernet over Unshielded Twisted Pair
(UTP) cabling.
ageing:
The automatic removal of dynamic entries from the Switch Database, which
have timed-out and are no longer valid.
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