Installation guide

Remote Annex 2000 Hardware Installation Guide
Appendix B Cables and Connectors
B-4
Serial Port
Loopback
Connector
The 8-pin RJ45 loopback plug loops the following signals: Transmit
and Receive; DTR and CTS; and RTS, DCD, and DSR.
Table B-3 shows
this connector’s pins and signals.
Table B-3. Serial Port Loopback Connector Wiring
Pin Number Signal Connects to Pin Number Signal
5 RXD 3 TXD
1 RTS 4, 7 DCD, DSR
2 DTR 8 CTS