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INSTALLATION INSTRUCTIONS
SECTION 200-255-204
FEBRUARY1992
FIGURE 4-4-PEAK LOAD BATTERY
18) Slide the mounting bracket/battery assembly
in place and secure with two screws.
19)
Set the
BATTERY BACKUP
switch to ON
(Figure 4-5).
1.10 Expansion Cabinet Installation
WARNING!
Hazardous voltage that may cause death
or injury is present in the system during
operation. Ensure that AC power to both
cabinets is turned off prior to performing
this procedure.
NOTE:
A 13mm socket wrench and extension is rec-
ommended for ease of expansion cabinet
ins talla tion.
1) Remove and retain the four screws securing
the basic cabinet top cover and lift the cover
off the cabinet (Figure 4-6).
2) Remove and retain the two screws securing
each of the expansion cabinet side panels.
Pull the side panels off.
3) Place the four casters on the basic cabinet in
the lock position to ensure cabinet stability
during the expansion cabinet installation.
4) On both the basic and expansion cabinets,
remove and retain two screws securing the
cabinet doors. Remove and retain the six
screws securing the rear panel on each cabi-
net.
L
NPSA2-M
ON
El EiEF
OFF
-48" 0
RINGER 0
AC POWER
0
POWER ON
OFF
FIGURE 4-5-PERCEPTION,
POWER SUPPLY CONTROLS AND INDICATORS
d
FIGURE 4-6-PERCEPTION,
EXPANSION CABINET INSTALLATION
4-3
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