National Instruments 800 Series - Manual (Page 58)

Appendix D Front Panel and Connectors
© National Instruments Corporation D-7 VXIpc 800 Series User Manual
Figure D-5. COM1 and COM2 Connectors Location and Pinout
Table D-4. COM1 and COM2 Connector Signals
Pin Signal Name Signal Description
1 DCD* Data Carrier Detect
2 RXD* Receive Data
3 TXD* Transmit Data
4 DTR* Data Terminal Ready
5 GND Ground
6 DSR* Data Set Ready
7 RTS* Ready to Send
8 CTS* Clear to Send
9 RI* Ring Indicator
1
5 9
6
COM1
1
5 9
6
COM2
2
1