Appendix C: Pinouts
Figure C-4: COM2 Adapter Cable Connector Pinouts
CN1 Pin Number
Pin Name
1 GND
2 TXD
3 RXD
CN2 Pin Number
Pin Name
1 TXD
2 RXD
3 NA
4 NA(Shorted
with
Pin6)
5 NA
6 NA(Shorted
with
Pin4)
7 NA(Shorted
with
Pin8)
8 NA(Shorted
with
Pin7)
9 GND
Table C-4: COM2 Adapter Cable Pinout Definitions
B-5