Lucent Technologies 415B Battery Plant for 4ESS
5 - 22 System Testing
Issue 6 September 1999
Battery String
Disconnect
This test is done with all rectifiers on and at no load.
1. At the Control and Distribution Bay, operate battery
disconnect switch #1 to Off. OS and MAJOR alarms are
initiated and displayed at Galaxy. A red lamp lights at the
top of the Control and Distribution Bay. Verify that the
Open String alarm is initiated and that visual and audible
Local Office alarms are initiated and that a remote alarm
has been received at the Alarm Center. Press
MENU
→
ALARMS at the Galaxy front panel.
Note: Be sure to return the battery switch to On after
completing the test.
2. Repeat the procedure for each battery switch connected to
a battery string.
Note: Battery Switch One is factory connected. When
installing a 2nd or 3rd battery string, the 2nd or 3rd
battery Auxiliary switch must have the blue wires
connected to activate the alarm when switch two or
three is placed in the Off position.
3. Verify that visual and audible Local Office alarms are
initiated and that a remote alarm has been received at the
Alarm Center.
Control and
Distribution Bay
Fuse Alarms
This test is done with all rectifiers On and a 10 - 20 amperes
load. REG fuses are located on the top panel of the Control and
Distribution Bay. There are four REG fuses (Minor) and one
controller fuse (Major).
1. Place a blown fuse in all REG fuse locations (one at a
time) on the Control and Distribution Bay. Observe and
verify that rectifiers #1 through #4 issue a DIST and MIN
alarms.
2. Verify that a local RFA alarm is issued, visual and audible
Local Office alarms are initiated, and a remote alarm has
been received at the Alarm Center.
3. Place a blown fuse in the CONTROLLER fuse position.
Observe and verify that Galaxy LEDs BD, BATT, DIST,
CRIT, and MAJ light.
