ECI Telecom Ltd. Proprietary
7-1
7
Maintenance
7.1
Overview
This chapter provides maintenance procedures for NPT-1020 equipment.
Personnel involved in maintenance must be thoroughly familiar with safety issues, as described in
7.2
Test Equipment, Tools, and Materials
The only tools required for most maintenance activities described in this chapter are an LCT-APT terminal
and a multimeter. If you need to make measurements, it is recommended to use equipment of the same
type and models used for commissioning tests, see
. The tools and materials necessary
for equipment installation must also be available during maintenance.
7.3
Preventive Maintenance
The purpose of preventive maintenance activities is to keep the NPT-1020 hardware in good condition, and
detect and correct as soon as possible any condition that may lead to deterioration and equipment
malfunction.
Record the execution of the various activities and their results according to the procedures used in your
organization.
Table
7-1: Preventive maintenance inspection and checks
Item
Inspection/Check
Intervals*
W
M
Q
1
Visually inspect the condition of cables and fibers. Check for correct
routing (no sharp bends) and proper support to avoid stress. Avoid
touching fibers during the inspection, except as required to correct
problems.
X
2
Inspect equipment racks and cases, connection terminals, grounding,
etc. Pay special attention to any signs of corrosion.
X
3
Check the condition of rack front doors and RFI fingers. Clean as
necessary with approved cleaning agents.
X
4
Whenever applicable, inspect ancillary equipment (air conditioners,
lighting, distribution panels, etc.) and their power sources.
X
5
Check that all unused optical connectors are covered by protective
covers. Add covers as necessary.
X
6
Check that cards and modules are securely attached. All module
fastening screws must be tight (tighten only manually).
X
