beautypg.com

B&B Electronics Celeron M Universal Network Controller with PC/104 Extension UNO-2170 User Manual

Page 33

background image

A.4 RS-232/422/485 Serial Port (COM3~COM4)

Table A.5: RS-232/422/485 serial port pin assignments

Pin RS-232 RS-422 RS-485

1 DCD Tx- DATA-

2 RxD Tx+ DATA+

3 TxD Rx+ NC

4 DTR Rx- NC

5 GND GND GND

6 DSR NC NC

7 RTS NC NC

8 CTS NC NC

9 RI NC NC

A.5 Ethernet RJ-45 Connector (LAN1~LAN2)


Table A.6: Table A-5: Ethernet RJ-45 connector pin assignments

Pin 10/100Base-T Signal Name

1 XMT+

2 XMT-

3 RCV+

4 NC

5 NC

6 RCV-

7 NC

8 NC





27 Appendix A