Tangent Rugged Mini E1 - Page 20

Rugged Mini E1 | User’s Manual
COM2_1: RS232 / RS422 / RS485 Connector
Connector Type: 9-pin D-Sub
Pin RS232 Definition
RS422 / 485 Full
Duplex Definition
RS485 Half Duplex
Definition
1 DCD2 TX2- DATA2-
2 RxD2 TX2+ DATA2+
3 TxD2 RX2+
4 DTR2 RX2-
5 GND
6 DSR2
7 RTS2
8 CTS2
9 RI2
CN1: RS232 / RS422 / RS485 Connector
Connector Type: 9-pin D-Sub
Pin RS232 Definition
RS422 / 485 Full
Duplex Definition
RS485 Half Duplex
Definition
1 DCD3 (DCD5) TX3- (TX5-) DATA3- (DATA5-)
2 RxD3 (RxD5) TX3+ (TX5+) DATA3+ (DATA5+)
3 TxD3 (TxD5) RX3+ (RX5+)
4 DTR3 (DTR5) RX3- (RX5-)
5 GND
6 DSR3 (DSR5)
7 RTS3 (RTS5)
8 CTS3 (CTS5)
9 RI3 (RI5)
Chapter 2: Switches and Connectors
20