Appendix A

Connector Wiring

A.1 Ethernet Connectors

RIC-155 includes two Ethernet ports designated ETH and MNG-ETH. Table A-1lists the pinout of the Ethernet connectors.

Table A-1. ETH and MNG-ETH Connector Pinout

Pin

Designation

Function

Direction

 

 

 

 

1

RX+

Receive – positive lead

Input

 

 

 

 

2

RX–

Receive – negative lead

Input

 

 

 

 

3

TX+

Transmit – positive lead

Output

 

 

 

 

6

TX–

Transmit – negative lead

Output

 

 

 

 

4, 5, 7, 8

Not connected

 

 

 

 

A.2 Alarm Relay Connector

The RIC-155 alarm relay terminates in a 9-pin female connector, designated ALARM. Figure A-1shows the pin functions. The relay positions are shown in the non-energized (alarm active) state. Table A-2lists the pinout of the ALARM connector.

Minor Alarm Relay

Alarm Connector

1

 

 

Minor-NO

 

 

 

2

Minor-NC

 

 

 

6

Minor-COM

 

 

Major Alarm Relay

4

 

 

Major-NO

 

 

 

5

Major-NC

 

 

 

9

Major-COM

 

 

Figure A-1. ALARM Connector Wiring

Alarm Relay Connector

A-1

Page 73
Image 73
RAD Data comm RIC-155 operation manual Appendix a Connector Wiring, Ethernet Connectors, Alarm Relay Connector