Additional Maintenance Procedures
555-233-143
5-24 Issue 1 May 2002
Preventive Maintenance
The following preventive maintenance procedures should be followed when
visiting customer sites. The chart that follows shows a sample of the preventive
maintenance log. Whenever you complete a preventive maintenance procedure,
be sure to fill in the information on the log form before you leave the customer’s
premises.
Air Filters
Air filters should be inspected annually. If a filter is dirty or clogged, first tap it on
the ground. If the filter is still dirty or clogged, then wash it with warm water and a
mild detergent. A vacuum cleaner can be used if one is available. If there is no
facility for washing or vacuuming the air filter, then replace the filter. For
information about air filters and fans, see ‘‘CABINET (Cabinet Sensors)’’ on page
8-383.
Media Gateway Batteries
The backup batteries in the power distribution unit in the bottom of the cabinet
should be replaced every four years or whenever a POWER alarm that indicates
the condition of the batteries is logged. Systems with an uninterruptible power
supply (UPS) may not be equipped with backup batteries.
Media Server UPS Batteries
For information about maintaining the batteries that support the S8700 Media
Servers, see the User’s Guide or other product documentation that ships with the
UPS.
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