Cabletron Systems STS16-20R - Manual (Page 249)

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Cable and Pin Information SmartStack STS16-20D/STS16-20R Token Ring Switches Installation and User Guide
Cable Length and Lobe Wiring Rules
for Shared-Media LAN Segments
The types of cables that can be used in shared-media segments (half-duplex) are the
same as those described for dedicated-media segments on page 234.
➽
Note: The acceptable cable lengths are defined by the hub or concentrator attached
to the switch port, but in general the distances are half of that stated in the tables
above for dedicated-media segments.
❏
Ring Speed
100 or 120 Ohm
Category 4
100 or 120 Ohm
Category 5
4 Mbps 350 m (1148 ft) 350 m (1148 ft)
16 Mbps 200 m (656 ft) 200 m (656 ft)
100 Mbps Not Supported 90 m (295 ft)
Table 21. Lobe Lengths for 100 or 120 Ohm Shielded
or Unshielded Cable