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Appendix B. Pin Assignments
RJ-45 station ports can be attached to any device which
use a standard network interface (e.g., a workstation,
server, bridge or router). RJ-45 daisy-chain ports can be
cascaded to a station port on similar networking devices
(e.g., another switch or hub). Use unshielded twisted-pair
(UTP) for RJ-45 connections: 100 ohm Category 3,4 or 5
cable for 10Mbps connections or 100 ohm Category 5
cable for 100Mbps connections. Also be sure that the
length of any twisted-pair connection does not exceed 100
meters (328 feet).
1
2
3
4
5
6
7
8
TD
RD
TD
RD
Figure B-1.
RJ-45 Connector
Pin Pin Station Ports 1 ~ 8 Cascade Ports
1 Receive Data + Transmit Data +
2 Receive Data - Transmit Data -
3 Transmit Data + Receive Data +
6 Transmit Data - Receive Data -
4,5,7,8 Not Used Not Used
Table B-1.
RJ-45 Pin Assignments