Operations and Maintenance Manual

JANUS

Multi-Protocol Reader 2.4 Maintenance Instructions

Confidential UM 360467-110 Revision: B Page 203 of 247

All information contained herein is proprietary to, and may only be used with express, written permission from, Kapsch TrafficCom Canada Inc.

FILE: UM 360467-110 REV B3 MPR 2.4 CLEAN.DOCX 03/02/2021 1:01

Kapsch TrafficCom

Label and then disconnect any communication cables connected to the CTM.

Remove the faulty CTM from the Reader rack.

Installing a CTM

CAUTION:

To avoid damaging the modules, ensure that the connector on

the module is properly aligned with the connector on the DSM

back plane before the module is securely plugged into the

DSM.

1. Install a new CTM in the Reader Rack.

Reconnect the communication cables to the CTM.

Set the PSM and CTM to the on position.

Switch the Reader to the new CTM side (see Manually switching a Reader to the redundant side, page 44).

SPM replacement

WARNING:

THE MODULES MAY HAVE SHARP EDGES. HANDLE THE

MODULES CAREFULLY. WHENEVER POSSIBLE, USE A MODULE

EXTRACTION TOOL TO REMOVE A MODULE.

Removing an SPM

1. Without disconnecting any of the sync wiring from the SPM terminal block, disconnect the SPM terminal

block from the SPM.

Remove the SPM from the Reader rack.

Installing an SPM

CAUTION:

To avoid damaging the modules, ensure that the connector on

the module is properly aligned with the connector on the DSM

back plane before the module is securely plugged into the

DSM.

1. Install a new SPM in the Reader Rack.

Reconnect the SPM terminal block.