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