RAD Data comm FCD-X21 Manual de instalación descargar pdf (Pagina 150)

Appendix A Pinouts Installation and Operation Manual

A-14 Supervisory Port Connectors FCD-E1

A.3 Supervisory Port Connectors

CONTROL DCE Connector

The CONTROL DCE supervisory port has a standard RS-232 DCE interface

terminated in a 9-pin female connector, wired in accordance with Table A-12.

Table A-12. CONTROL DCE Supervisory Port, Pin Allocation

Pin Function Direction

1 Data Carrier Detect (DCD) Output

2 Receive Data (RD) Output

3 Transmit Data (TD) Input

4 Data Terminal Ready (DTR) Input

5 Signal Ground (SIG) Common reference and DC power supply

ground

6 Data Set Ready (DSR) Output

7 Request to Send (RTS) Input

8 Clear to Send (CTS) Output

9 Ring Indication (RI) Input

CONTROL DTE Connector

The CONTROL DTE supervisory port has a standard RS-232 DTE interface

terminated in a 9-pin female connector, wired in accordance with Table A-13.

Some of the pins in the connector can be converted to serve as floating common

alarm relay contacts. The Alarm Relay Contacts column lists the alternate use of

these pins.

Table A-13. CONTROL DTE Supervisory Port, Pin Allocation

Pin Function Direction Alarm Relay Contacts

1 Data Carrier Detect (DCD) Input Normally-closed (relative to pin 9)

2 Transmit Data (TD) Input -

3 Receive Data (RD) Output -

4 Data Terminal Ready (DTR) Output -

5 Signal Ground (SIG) Common reference and DC power

supply ground

6 Data Set Ready (DSR) Input -

7 Request to Send (RTS) Output -

8 Clear to Send (CTS) Input Normally-open (relative to pin 9)

9 Not used Not applicable Center contact

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RAD Data comm FCD-X21 Manual de instalación Pagina 150