Appendix A Connector Wiring LRS-24 Installation and Operation Manual
A-2 Management RS-232 Port Interface—CM-1/CM-2 Modules

A.2 Management RS-232 Port Interface—LRSI-F-CM1

Module

The Management RS-232 port on the LRSI-F-CM1 module has an RS-232 interface
terminating in a 9-pin female connector wired in accordance with
Table A-2.
Table A-2. Pin Allocation for MANAGEMENT RS-232 Connector
Pin Function Direction
1 Data Carrier Detect (DCD) Output
2 Receive Data (RXD) Output
3 Transmit Data (TXD) Input
4 Data Terminal Ready (DTR) Input
5 Signal Ground (SIG) N/A
6 Data Set Ready (DSR) Output
7 Request to Send (RTS) Input
8Clear to Send (CTS)Output
9 Ring Indicator (RI) Output

A.3 Management RS-232 Port Interface—CM-1/CM-2

Modules

The Management RS-232 port on the CM-1 and CM-2 modules has an RS-232
interface terminating in a 9-pin female connector wired in accordance with
Table A-3.
Table A-3. Pin Allocation for Management RS-232 Connector
on CM-1/CM-2 Modules
Pin Function Direction
1 Data Carrier Detect (DCD) Connected to pins 7, 8
2 Receive Data (RXD) Output
3 Transmit Data (TXD) Input
4 Data Terminal Ready (DTR) Input, connected directly to pin 6
5 Signal Ground (SIG) N/A
6 Data Set Ready (DSR) Output, connected directly to pin 4
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