Serial Port Connectors; Com1 - Xycom 4600 Series User Manual

Serial Port Connectors

RS-232, RS-422 and RS-485 are supported by AIM4.

COM1

The following table lists the signal definitions for the COM1 DB-9 connector.
RS-232
Pin Signal
1 DCD1
2 RXD1
3 TXD1
4 DTR1
5 GND
6 DSR1
7 RTS1
8 CTS1
9 RI1
150Ω termination resistors can be connected across transmit or receive lines
by inserting jumpers JP5 and JP7. Refer to Appendix D.
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Table C - 5. COM1 Connector Pinout
RS-422
Pin Signal
1 TXD- (note 1)
2 TXD+ (note 1)
3 NC
4 NC
5 GND
6 RXD-
7 RXD+
8 NC
9 Voltage (note 2)
Note
68
Appendix C - Pinouts
RS-485
Pin Signal
1 DATA- (note 1)
2 DATA+ (note 1)
3 NC
4 NC
5 GND
6 NC
7 NC
8 NC
9 Voltage (note 2)
144732 (C)