Carrier Access user manual Access Navigator Release August 16-15

Models: Access Navigator

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Maintenance Procedures

Replace Unprotected Controller Card

Remove Front Cover

WARNING! THE ACCESS NAVIGATOR CONTAINS CIRCUIT CARDS AND COMPO- NENTS THAT ARE SUBJECT TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). ALWAYS FOLLOW THE STATIC-SENSITIVEEQUIPMENT HANDLING PROCEDURES ON page 6-3WHEN OPENING EQUIPMENT COVERS AND HANDLING PLUG-IN CIRCUIT CARDS.

1. Put on grounding wrist strap and follow anti-static procedures.

DANGER! BURN HAZARD. CHASSIS, COVER SCREWS, AND CONTROLLER CARD HEAT SINK MAY BE HOT TO THE TOUCH.

2. Loosen captive thumbscrews on front cover (see Figure 16-1).

Screw

Screw

Screw

Screw

Figure 16-5. Location of Front Panel Cover Screws 3. Remove front cover and set aside.

Access Navigator - Release 1.8

August 2003

16-15

Page 413
Image 413
Carrier Access user manual Access Navigator Release August 16-15