Twisted Pair (Copper) Connector Pinouts; Rj-45 Connector Pinouts - 3Com CoreBuilder 5000 User Manual

A-4 S
PECIFICATIONS
Twisted Pair
(Copper)
Connector Pinouts
You must use the IEEE 802.5 Token Ring standard for pinouts. The
following cable standard must be used for an 8-pin connector. Token
Ring uses 2 pairs of wire: pins 3 & 6 and pins 4 & 5 (see
you do not configure the pairs this way, the connection does not work
properly. Ensure an 8-pin connector on datagrade cable has the
following pin pairings:
pins 4 and 5 are pair 1
pins 3 and 6 are pair 2
pins 1 and 2 are pair 3 (not used)
pins 7 and 8 are pair 4 (not used)
Station Transmit
Not Used
Station Receive
1 2 3 4
W-G G W-O BL
Hub Transmit
Jack Positions
Hub Receive
Figure A-1

RJ-45 Connector Pinouts

Not Used
5 6 7 8
W-BL O W-BR BR
Figure A-1). If