MP SERIES™ Battery Backup System for Traffic Signals: MP2000E System
Volume One: Operating Manual
Page 6-10
6.b.5 Shut Down
Figure 6-8: Shut Down Procedure
6.b.6 Battery Replacement
Caution: While the battery is being changed, the MP2000E cannot provide
backup power. This procedure should not be done while critical loads that
depend upon the MP2000E’s backup power are running.
Note: The ALARM LED remains ON during this procedure.