Nortel Networks 21 PCI 10/100 Network Cables User Manual


 
Introduction
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Cable Requirements
You can use Category 5 (Cat 5) Ethernet cables for 10 Mb/s and 100 Mb/s
network connections to the BayStack 21 network card.
Use the following guidelines when using Cat 5 cables:
Maximum length between a workstation and a hub is 100 meters (m).
Maximum length between two hubs is 10 m.
Maximum length between two hubs which are functioning as Ethernet Class 2
Repeaters is 100 m.
Maximum total length between two workstations is 205 m.
Fast Ethernet Cables (100 Mb/s)
You must use a Cat 5 straight-through cable with one RJ-45 connector on each end
for 100 Mb/s Ethernet connections. Do not use a crossover cable.
Ethernet Cables (10 Mb/s)
You can use Cat 3, Cat 4, or Cat 5 unshielded twisted pair (UTP) cable or an
EIA/TIA-568 100 ohm shielded twisted pair (STP) cable for 10 Mb/s Ethernet
connections. You must use a straight through cable with one RJ-45 connector on
each end. Do not use a crossover cable.