Carrier Access Access Navigator user manual Precautions, Tools and Materials Required

Maintenance Procedures

Replace Quad T1 Framer Card

Precautions

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.

CAUTION! REMOVING A QUAD T1 FRAMER CARD WILL DISRUPT SERVICE ON ALL FOUR OF THE DS1 CIRCUITS CARRIED BY THE CARD.

DO NOT REMOVE A QUAD T1 FRAMER CARD IF A DS1 RECEIVER IS PROVIDING A CLOCK SOURCE USED FOR SYSTEM TIMING. BEFORE REMOVING THE CARD, TEMPORARILY ASSIGN A DS1 ON A DIFFERENT CARD TO PROVIDE THE CLOCK SOURCE.

Tools and Materials Required

1.Obtain the following tools and materials.

￿Office records for installation site

￿Screwdrivers, slotted

￿Grounding wrist strap

￿Controller card

￿User name and password (if required)

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

3.Unpack and inspect new Quad T1 Framer card for damage.

￿Do not remove circuit cards from anti-static wrappers without following proper anti-static procedures.

￿Verify that equipment to be installed agrees with office records.

4.Verify that equipment to be installed agrees with office records.

16-20 August 2003 Access Navigator - Release 1.8