12-6 Cabinet maintenance operations
AccessNode 323-3001-210 Issue 1.0
Procedure 12-1
Replacing the batteries
Use this procedure to replace batteries in an S800A cabinet that is currently
carrying traffic.
If the batteries that are to be replaced are installed in a new installation or in a
cabinet that is not in-service, see Chapter 9, “Installing and connecting the
batteries” for battery installation.
Battery strings 1-12 will provide at least eight hours of battery back-up for a
fully configured S800A system. Battery strings 13 and 14 may be used to
provide additional battery back-up power.
The batteries require replacement:
• when an LVA alarm is generated significantly early (prior to eight hours)
in the battery back-up mode
• during battery maintenance activities when the battery voltage is checked
and deemed to low
• as listed in the battery manufacturer’s maintenance requirements
Requirements
The S800A system must be operating normally on rectifier power.
Test sets
A voltmeter RMS Fluke 8050A (or equivalent) test set is needed.
Tools required
A screwdriver, slotted, small (0.1-inch width) is required.
Documentation references
See NTP 169-2071-500.
—continued—
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