Chapter 2 Installation and Setup

LRS-24Installation and Operation Manual

 

 

Note The external feed voltage passes through the interface module and through the corresponding PS module to the internal bus. Therefore, you can ensure constant external feed voltage (in case one of two installed power supply modules is removed) by connecting LRS-PS-FEED to both modules.

It is recommended that you turn on the external voltage source only after LRS-24 is turned on.

Station Clock Connections

To connect an external (station) clock signal to LRS-24:

1.Connect the clock source to the STATION CLK connector located on the interface module serving the CM-1 or CM-2 module, using a Shielded Cable.

2.Select the required clock.

Note When configured to External, but no External Clock is connected, Internal Clock is applied.

Dry Contact Alarm Connections

The CM-2 module enables the connection of major and minor alarm relay contacts to a bay alarm system. Connect the bay alarm cable to the STATION CLK connector located on the interface module serving the CM-2 module. Table 2-10lists the STATION CLK connections.

Table 2-10. CM-2 Module STATION CLK Connector, Pin Allocation

Pins

Function/Connection

 

 

3, 11

STATION CLK In

 

 

1, 9

STATION CLK Out

 

 

7, 8, 15

Major Alarm

 

 

6, 13, 14

Minor Alarm

 

 

2, 4, 5, 10, 12,

N. C.

 

 

Management Connections

Refer to the installation plan to determine the cable intended for connection to the enclosure. Management connections depend on the type of module installed in LRS-24.

CM-1 Module

Connect the supervisory cable to the MANAGEMENT RS-232 connector on the LRSI-F-CM1 interface module.

CM-2 Module

Connect the management cable to the MANAGEMENT Ethernet connector

(an RJ-45 connector on the LRSI-F-1-CM2 interface module and a BNC connector on the LRSI-F-2-CM2 interface module).

2-26 Interfaces and Connections

Order from: Cutter Networks

Ph:727-398-5252/Fax:727-397-9610

www.bestdatasource.com

Page 54
Image 54
RAD Data comm LRS-24 operation manual Station Clock Connections, Dry Contact Alarm Connections, Management Connections