Maintenance Procedures

Replace Protected 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 16-1. Location of Front Panel Cover Screws 3. Remove front cover and set aside.

16-8

August 2003

Access Navigator - Release 1.8

Page 406
Image 406
Carrier Access Access Navigator user manual Remove Front Cover