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Precautions warning, Caution, Tools and materials required – Carrier Access Access Navigator User Manual

Page 418

background image

16-20

August 2003

Access Navigator - Release 1.8

Maintenance Procedures

Replace Quad T1 Framer Card

Precautions

WARNING!

T

HE

A

CCESS

N

AVIGATOR

CONTAINS

CIRCUIT

CARDS

AND

COMPO

-

NENTS

THAT

ARE

SUBJECT

TO

DAMAGE

BY

ELECTROSTATIC

DISCHARGE

(ESD).

A

LWAYS

FOLLOW

THE

S

TATIC

-S

ENSITIVE

E

QUIPMENT

H

ANDLING

P

ROCEDURES

ON

page 6-3

WHEN

OPENING

EQUIPMENT

COVERS

AND

HANDLING

PLUG

-

IN

CIRCUIT

CARDS

.

CAUTION!

R

EMOVING

A

Q

UAD

T1 F

RAMER

CARD

WILL

DISRUPT

SERVICE

ON

ALL

FOUR

OF

THE

DS1

CIRCUITS

CARRIED

BY

THE

CARD

.

D

O

NOT

REMOVE

A

Q

UAD

T1 F

RAMER

CARD

IF

A

DS1

RECEIVER

IS

PROVIDING

A

CLOCK

SOURCE

USED

FOR

SYSTEM

TIMING

. B

EFORE

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.

l

Office records for installation site

l

Screwdrivers, slotted

l

Grounding wrist strap

l

Controller card

l

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.

l

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

l

Verify that equipment to be installed agrees with office records.

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