Signal – AAEON PFM-C42C User Manual
Page 19
P C / 1 0 4 P e r i p h e r a l M o d u l e
P F M - C 4 2 C
PFM-C42C Quick Installation Guide
1-19
3 TXD4
4 DTR#4
5 GND
6 DSR#4
7 RTS#4
8 CTS#4
9 RI#4
10
N.C
1.19 RS-232 Serial Port Connector (COM5) (For 8-port only)
Pin S i g n a l
P i n S i g n a l
1 DCD#5(485D-
/
422TXD-) 2 RXD5(422RXD+)
3
TXD5(485D+ / 422TXD+)
4
DTR#5(422RXD-)
5 GND
6 DSR#5
7 RTS#5
8 CTS#5
9 RI#5
10
N.C
1.20 RS-232 Serial Port Connector (COM6) (For 8-port only)
Pin S i g n a l
P i n S i g n a l
1 DCD#6(485D-
/
422TXD-) 2 RXD6(422RXD+)
3
TXD6(485D+ / 422TXD+)
4
DTR#6(422RXD-)
5 GND
6 DSR#6
7 RTS#6
8 CTS#6
9 RI#6
10
N.C
1.21 RS-232 Serial Port Connector (COM7) (For 8-port only)
Pin S i g n a l
P i n S i g n a l
1 DCD#7
2 RXD7
3 TXD7
4 DTR#7
5 GND
6 DSR#7
7 RTS#7
8 CTS#7
9 RI#7
10
N.C