REQUIREMENTS/SPECIFICATIONS
Page 2-10
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Token ring signals should not be routed through copper cables
that exit a building or which are adjacent to cables either
exiting a building or exposed to lightning strikes and power
surges.
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UTP cables that contain token ring signals should not be
simultaneously used for applications which may impress high
voltages (greater that 5 volts) with sharp rise or fall times,
since the noise coupling from such signals could directly cause
errors on the token ring network.
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For single telecommunications closet rings, lobe lengths should
not exceed 100 meters or 22 to 24 AWG wire from the attaching
device and the TCU port.
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When possible, use dedicated UTP cable for token ring signals.
