Cisco Model GS7000 4-Port Node 1 GHz with 42 54 Split インストールガイド
Chapter 5 Maintenance
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Preventative Maintenance
Overview
Preventive maintenance procedures are regularly scheduled actions that help
prevent failures and maintain the appearance of the equipment.
prevent failures and maintain the appearance of the equipment.
Schedule
Perform the preventive maintenance procedures at these intervals.
Procedure Interval
Visual Inspection:
External
Surfaces
Semiannually
Connectors
Semiannually
Indicators
Semiannually
Wiring/Cable
Assemblies Annually
Cleaning:
External
Surfaces
Annually
External
Controls/Connectors Annually
Internal Connectors/Circuit Cards
Annually
Visual Inspection
Visually inspect the following items.
What to Inspect
How to Inspect
Exterior surfaces
Inspect for:
dust, dirt, lubricants, or other foreign matter worn spots or
deep scratches on surfaces
deep scratches on surfaces
corrosion
marred protective finish exposing bare metal
missing, incorrect or obliterated marking, decals, or
reference designators
reference designators
Connectors Inspect
for:
broken, loose, bent, corroded, or missing pins
cracked insulator inserts