Symmetricom 1100 Manuel D’Utilisation

Chapter 6 Maintaining and Troubleshooting the TimeProvider
Preventive Maintenance

156  TimeProvider User’s Guide

The TimeProvider shelf requires minimal preventive maintenance. Take care to 
ensure the unit is not exposed to hazards such as direct sunlight, open windows, 
water, or extreme heat. See 

 in 

on page 54, for electromagnetic compatibility conditions that may cause damage.

 lists preventive maintenance measures to be performed periodically. Do 

not disassemble components just for the purpose of inspection. 

Follow your company’s safety guidelines and policies when working on or around 
live equipment.

Maintenance personnel should wear ESD wrist straps when installing or working on 
all TimeProvider equipment and cards. Plug the user-supplied wrist strap into the 
TimeProvider shelf. Place IMC and IOC cards as well as the Input and Output 
panels into static-free bags when not in use.

Caution: To avoid electromagnetic discharge damage to the 
circuitry, never attempt to vacuum the TimeProvider main shelf or 
expansion shelf.

Caution: To avoid damage, under no circumstances should the 
interior chassis of the TimeProvider be allowed to come in contact 
with water. 

Chassis

Inspect for dirt or foreign 
material

Clean the exterior of chassis with a 
soft dry cloth

Periodically

Cables

Inspect for pinched, worn 
or damaged cable

Replace pinched, worn or damaged 
cable at the first opportunity

Periodically

Connectors

 Inspect for loose or 
damaged connector

Tighten loose connectors. If 
damaged, replace the connector 
and/or cable at the first opportunity

Periodically