Carrier Access 1750 user manual Repair/Replacement

Maintenance and Troubleshooting

Repair/Replacement

Repair/Replacement

Power Supply ... 8-31

NIM Replacement ... 8-32

SAM Replacement ... 8-33

IOM Replacement ... 8-34

CPU Replacement ... 8-35

CPU IOM Replacement ... 8-36

Fan Replacement ... 8-36

Integrated Fan/Alarm Module Replacement ... 8-37

Fan Filter Cleaning and Replacement ... 8-39

All repair/replacement actions should be accomplished by a qualified technician familiar with the Broadmore 1750 system. The majority of repairs involve troubleshooting and the replacement of a module or card.

WARNING! USE ESD PRECAUTIONS: WEAR AN ESD GROUNDING STRAP WHILE HANDLING ANY CARDS OR ACCESSING THE INSIDE OF THE BROADMORE 1750. FAILURE TO FOLLOW ESD PROCEDURES MAY DAMAGE SENSITIVE COMPONENTS AND VOID THE WARRANTY.

CAUTION! MODULE REMOVAL AND INSERTION – ON A POWERED-UP SYSTEM, WAIT AT LEAST 15 SECONDS AFTER ANY MODULE REMOVAL OR INSERTION TO ALLOW THE SYSTEM TO STABILIZE. FAILURE TO FOLLOW THIS PROCEDURE MAY RESULT IN SYSTEM ERRORS REQUIRING TOTAL SYSTEM REBOOT. WHEN INSTALLING A REPLACEMENT CPU IN A REDUNDANT CPU SYSTEM, DO NOT REBOOT OR POWER DOWN THE SYSTEM BEFORE CPU SYNCHRONIZATION IS COMPLETE AS INDICATED BY A SOLID STATUS LIGHT.

8-30 Broadmore 1750 - Release 4.6