User's Manual

68P80801E35-A 9/1/2001 5

EBTS System Manual - Vol 2 Troubleshooting

Generation 2 Single Channel Base Radio FRU Replacement Procedures

Replace suspected station modules with known non-defective modules to restore

the station to proper operation. The following procedures provide FRU

replacement instructions and post-replacement adjustments and/or

veriﬁcation instructions.

Generation 2 Single Channel Base Radio Replacement Procedure

NOTE

The Base Radio removal and installation procedures

are included for reference or buildout purposes. Field

maintenance of Base Radios typically consists of

replacement of FRUs within the Base Radio. Perform

Base Radio FRU replacement in accordance with “Base

Radio FRU Replacement Procedure” below.

Perform Base Radio (BR) replacement as described in the following paragraphs.

Removal

Remove BR from Equipment Cabinet as follows:

1. Remove power from the Base Radio by setting the Power Supply ON/OFF

switch to the OFF position.

2. Tag and disconnect the cabling from the BR rear panel connectors.

3. Remove the four M6 TORX screws which secure the BR front panel to the

Equipment Cabinet mounting rails.

WARNING

BR WEIGHT EXCEEDS 60 LBS (27 KG). USE

TWO-PERSON LIFT WHEN REMOVING OR INSTALLING

BR FROM EQUIPMENT CABINET. MAKE CERTAIN BR IS

FULLY SUPPORTED WHEN BR IS FREE FROM

MOUNTING RAILS.

While supporting the BR, carefully remove the BR from the Equipment

Cabinet by sliding the BR from the front of cabinet.