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2. Operating and Maintaining the VC-2402
2.1 Maintenance requirement
2.1.1 Tools and Equipment Requirements
Lists required tools and test equipment for the VC-2402 system maintenance.
Required Installation Tools and Materials
Item Required
Anti-static wrist strap
Hand tool
Wire cutter/stripper
Wire-wrap gun and
bit
Wires
VF transmission and
signaling test sets
Fuse and alarm panel
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 VC-2402 system sites are
normally unattended, however, technicians should be dispatched when needed. The
VC-2402 system maintenance efforts and monitor the system for alarms during
those on-site operations.
2.1.4 Electrostatic Discharge Protection
The VC-2402 system contains static-sensitive components. Be sure to wear a
properly grounded antistatic 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 VC-2402 system performance at the central office / remote
sites using the SNMP. It allows user to view the current system status, alarm
information and to take the necessary corrective action if a problem is reported.
Protect the system from electrostatic discharge damage
Screwdrivers for equipment removal and replacement
Prepare wires for electrical connections
Removing and replacing the system interconnection
wires
System interconnections to external facilities
Testing faulty POTS
For protection and simplifying troubleshooting
Purpose
2
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