User manual

Page 155
PPC-5170GS Flat Panel PC
RS-485 Mode
PIN Description PIN Description
1 RTX- 6 NC
2 RTX+ 7 NC
3 NC 8 NC
4 NC 9 Voltage
5 NC
COM3: Serial Port 2x5 Pin Header Connector
PIN Description PIN Description
1 DCD 2 DSR
3 RXD 4 RTS
5 TXD 6 CTX
7 DTR 8 RI
9 GND 10 NC
COM4: Serial Port 2x5 Pin Header Connector
PIN Description PIN Description
1 DCD 2 DSR
3 RXD 4 RTS
5 TXD 6 CTX
7 DTR 8 RI
9 GND 10 NC