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Twisted-Pair Cable and Pin Assignments
For 10BASE-T/100BASE-TX connections, a twisted-pair cable must have
two pairs of wires. For 1000BASE-T connections the twisted-pair cable
must have four pairs of wires. Each wire pair is identified by two different
colors. For example, one wire might be green and the other, green with
white stripes. Also, an RJ-45 connector must be attached to both ends of
the cable.
Caution: Each wire pair must be attached to the RJ-45 connectors in a
Caution: DO NOT plug an RJ-11 connector into any RJ-45 port. Use
Figure B-1 illustrates how the pins on the RJ-45 connector are numbered.
Be sure to hold the connectors in the same orientation when attaching the
wires to the pins.
specific orientation.
only twisted-pair cables with RJ-45 connectors that conform
with FCC standards.
Figure B-1 RJ-45 Connector Pin Numbers
A
PPENDIX
C
B
ABLES
B-1
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