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NETWORK CONNECTIONS
Cable Type
STP (IBM Types 1 and 2
Voice Grade UTP (IBM Type 3) 100 meters
STP (IBM Type 6)
(only for station to wall plate
and patch panels)
STP (IBM Type 9)
3.4
SAFETY
The Cabletron Token-Ring adapters are designed in accordance
with UL478, UL910, NEC 725-2(b), CSA, IEC, TUV, VDE Class A.
Meets FCC, Part 15, Class A limits.
3.5
ATTENUATION
Maximum attenuation for specific cable types is shown in
Table 3-2. Since there are two possible ring speeds, both
frequencies are listed, 4.0 MHz and 16 MHz. The attenuation
values include cables, connectors, and patch panels.
Page 3 - 8
Table 3-3. Maximum Lobe Length
Table 1:
at 4 Mbps
200 meters
(656 feet)
(328 feet)
30 meters
(98 feet)
130 meters
(427 feet)
at 16 Mbps
100 meters
(328 feet)
60 meters
(196 feet)
30 meters
(98 feet)
65 meters
(213 feet)
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