Installations
22
COM2 RS-232 serial port connector (10-pins 2.54mm pitch
pin-Header with housing): CN9
Pin # Assignment Pin # Assignment
1 DCD (Data Carrier Detect) 2 DSR (Data Set Ready)
3 RXD (Receive Data) 4 RTS (Request to Send)
5 TXD (Transmit Data) 6 CTS (Clear to Send)
7 DTR (Data Terminal Ready) 8 RI (Ring Indicator)
9 Ground 10 NC
y Figure:
COM2 RS-422/485 serial port connector (10-pins 2.54mm pitch
pin-header with housing): CN10
Pin # Assignment Pin # Assignment
1 TX- 2 NC
3 TX+ 4 NC
5 RX- 6 NC
7 RX+ 8 NC
9 Ground 10 NC
y Figure:
9
1
10
2
9
1
10
2