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IIOIS12 HARDWARE
AC POWER
4 - 26
I-E96-107-2N
®
To change the IIOIS12 to operate on 240-VAC, set the slide
switch (if present) on the back of the computer power supply to
the 240-VAC setting. Also change main power supply jumper
and fuse for 240-VAC operation (Figure
), if required.
Wiring connectors are shown in Figure
. Note that some of
the connections are on the rear of the power entry panel and
are accessed through the door on the back of the IIOIS12.)
AC POWER
See Figure
for the location of the AC connections for the
unit being installed. Figure
shows the AC wiring inside the
power entry panel for IIOIS12.
NOTE: Figure 4-23 shows P/N 6638553A6. P/N 6638553V5 is simi-
lar, but does not have the jumper for 120 or 240-VAC. It is auto-sens-
ing. AC power input terminals on 6638553V5 are connector pins.
IIOIS12 MAIN POWER SUPPLY
•
Elsag Bailey Part Number - 6638553A6 or 6638553V5.
The IIOIS12 130-watts main power supply (Figure
) pro-
vides power to the console. Figures
and
show the
connections from the main power supply to the DC distribu-
tion board and to the backplane of the card chassis.
Figure 4-23. IIOIS12 Main Power Supply
AC POWER INPUT
JUMPER WIRE POSITION FOR
120 VAC OPERATION
240 V
FUSE
P/N 1948564A1.16
+5 V ADJ
VR2
120 V
JUMPER WIRE POSITION FOR
NOT REQUIRED IN AUTO-SENSING
POWER SUPPLY 6638553V5
240 VAC OPERATION
GS940131