.
15
13
APPENDIX A: Cabling Pinouts
Appendix A. Cabling Pinouts
Table A-3. DB9 Male Serial connector
Table A-4. T568B CAT5 pinout
DB9 for RS232
Pin
Full Duplex
3 wire (SA/SAP)
Simplex
1
DCD
2
RX
RX
3
TX
TX
TX
4
DTR
5
Ground
Ground
Ground
6
DSR
7
RTS
8
CTS
9
RI