D-Link DSR-250N - Appendix E. RJ-45 Pin-Outs

Unified Services Router User Manual
265
Appendix E. RJ-45 Pin-outs
Signal
RJ-45
Cable
Adapter Signal
RJ-45 PIN DB-9 PIN
CTS NC NC NC
DTR NC NC NC
TxD 6 3 RxD
GND 5 5 GND
GND 4 5 GND
RxD 3 2 TxD
DSR NC NC NC
RTS NC NC NC