Teledex Y Series User Manual download pdf (Page 24)

24 www.teledex.com Y SERIES EXP212, EXP224, AND EXP248 USER GUIDE

2.1 Maintenance Requirement

2.1.1 TOOLS AND EQUIPMENT

REQUIREMENTS

Table 2.1 lists required tools and test equipment

for EXP212, EXP224, and EXP248 system

maintenance.

Table 2.1 Required Installation Tools and

Materials

Item

Required Purpose

Anti-static

wrist strap

Protect the system from

electrostatic discharge damage

Hand tool Screwdrivers for equipment

removal and replacement

Wire cutter/

stripper

Prepare wires for electrical

connections

Wire-wrap

gun and bit

Removing and replacing the

system interconnection wires

Wires System interconnections to

external facilities

transmission

and

signaling

test sets

Testing faulty POTS

Fuse and

alarm panel

For protection and simplifying

troubleshooting

2.1.2 SYSTEM SPARES

Always keep spares for the DSLAM at each

central office for replacement purposes. During

the system trouble-shooting procedures, certain

cards at the central office and/or remote site will

be required to be replaced.

2.1.3 DISPATCHING MAINTENANCE

PERSONNEL

Some procedures in this manual involve end-to-

end system testing, for which technicians are

needed at each remote site. The remote EXP212,

EXP224, and EXP248 system sites are normally

unattended, however, technicians should be

dispatched when needed. The EXP212, EXP224,

and EXP248 system maintenance efforts and

monitor the system for alarms during those on-

site operations.

2.1.4 ELECTROSTATIC DISCHARGE

PROTECTION

The EXP212, EXP224, and EXP248 system

contains static-sensitive components. Be sure to

wear a properly grounded anti-static wrist strap

when handling them. Also, when removing and

replacing a card, hold it either by its front ejector

handle or by its edges.

Do not touch its rear connector contacts, which

must remain free of contaminants.

2.1.5 ROUTINE MAINTENANCE

Always monitor the EXP212, EXP224, and EXP248

system performance at the central office/remote

sites using the SNMP. It allows the user to view

the current system status, alarm information,

and to take the necessary corrective action if a

problem is reported.

2—Operating and Maintaining the EXP212,

EXP224, or EXP248

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Teledex Y Series User Manual Page 24

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