Appendix A Interface Connector Specifications

Installation and Operation Manual

 

 

A.2 CONTROL Connector

The control terminal interface terminates in a V.24/RS-232 9-pin D-type female connector that can be configured as DCE or DTE (see the Selecting the Control Port Interface section in Chapter 4). Table A-4lists the CONTROL connector pin assignments. Table A-5describes the control signal direction.

Table A-4. CONTROL Connector Pinout

 

Pin

Function

 

 

 

 

 

 

 

1

Data Carrier Detect (DCD)

 

 

 

 

 

 

2

Receive Data (RD)

 

 

 

 

 

 

 

 

3

Transmit Data (TD)

 

 

 

 

 

 

 

4

Data Terminal Ready (DTR)

 

 

 

 

 

 

5

Ground (GND)

 

 

 

 

 

 

 

6

Data Set Ready (DSR)

 

 

 

 

 

7

Request To Send (RTS)

 

 

 

 

 

8

Clear To Send (CTS)

 

 

 

 

 

 

9

Ring Indicator (RI)

 

 

 

 

 

 

 

Table A-5. CONTROL Connector Signal Direction

 

 

 

 

Control Signal

Interface Type

 

 

 

 

DCE

 

DTE

 

 

 

 

 

 

 

CTS

Out

 

Not Used

 

 

 

 

DCD

Out

 

Out

 

 

 

 

DSR

Out

 

Out

 

 

 

 

DTR

In

 

In

 

 

 

 

RI

Not Used

 

In

 

 

 

 

RTS

In

 

In

 

 

 

 

 

 

Note

 

When connected and turned on, the terminal sets the DTR line ON (active) to gain

 

 

control over ASMi-52 and starts a configuration or monitoring session.

 

When connecting a dial-out modem to the CONTROL port for the alarm

 

reporting, a cross cable must be used. Table A-6provides the pinout of a typical

 

cross cable with two male DB-9 connectors.

A-4

CONTROL Connector

ASMi-52 Ver. 2.5

Page 134
Image 134
RAD Data comm ASMi-52 manual Table A-4. Control Connector Pinout, Table A-5. Control Connector Signal Direction