Tadiran Telecom Coral IPx Office, Installation And Hardware Reference Manual, Page: 248 / 510

7-14
Power Supply Coral IPx Office Installation Manual
PS
Office DC Power Su
pply Unit
7
Figure 7-6 PS Office
DC Front Panel
PS Office DC Card Layout
The PS Office DC card’s component side is shown in Figure 7-7 . The components on
the card are described in the following table.
ON
+ -
OFF
PS Office DC
Cat. No. 77440950300
OUTPUT:
+5V 6A
+3.3V 6A
DC
DC
DC
-48V 1A
Removable M3 screws
Feature Description
Power Switch Turns the unit ON or OFF.
WARNING!
Contact with live wires in the power supply unit could
cause shock, burn, or death. Do not remove the power
supply from the IPx Office system when the power switch
is turned ON and power is connected.
F2
DC Power Input Fuse A 6.3A/250V, slow blow fuse that protects the unit’s voltage.
See
PS Office DC Power Supply, page 7-23
.
The entire 48VDC input circuitry, including the power supply, is
protected by that fuse. See
Figure 7-9
.
DC Input Power
Connector Connects the PS Office DC power supply to the -48VDC
power source.
Connection to Backplane Connects the power supply to the cage backplane.