Acnodes FES 8730 - Manual (Page 34)

3.2.7 COM1~COM2 Serial Port Connector
The system has eight serial ports. COM1~COM2 are RS-232/422/485 ports. Please
refer to Chapter 3.2.2 and 3.2.3 for the setting.
Pin RS-232 RS-422 RS-485
COM1
1 DCD, Data Carrier Detect TX- Data-
2 RXD, Receive Data TX+ Data+
3 TXD, Transmit Data RX+ No use
4 DTR, Data Terminal Ready RX- No use
5 GND, Ground No use No use
6 DSR, Data Set Ready No use No use
7 RTS, Request To Send No use No use
8 CTS, Clear To Send No use No use
9 RI, Ring Indicator No use No use
Pin RS-232 RS-422 RS-485
COM2
1 DCD, Data Carrier Detect TX- Data-
2 RXD, Receive Data TX+ Data+
3 TXD, Transmit Data RX+ No use
4 DTR, Data Terminal Ready RX- No use
5 GND, Ground No use No use
6 DSR, Data Set Ready No use No use
7 RTS, Request To Send No use No use
8 CTS, Clear To Send No use No use
9 RI, Ring Indicator No use No use
Before using RS-422/485, please have to set the Transfer Protocol as 8-N-2 (Data
8bit, parity 1bit[no parity], stop bit 2bit). Or user can set the parity bit as Odd Parity
Check or Even Parity Check, and stop bit as 1bit.
Note: Please do install the Serial Port Patch “ NuvSerial v1.0.2011.1109(WHQL) ”.