Tadiran Telecom Coral IPx Office, Installation And Hardware Reference Manual, Page: 244 / 510

7-10
Power Supply Coral IPx Office Installation Manual
PS
Office AC Power S
upply Unit
7
0
The PS Office AC includes two fuses:
„
If the FS1 fuse blows, replace it with an identical fuse with the same rating.
See
Specifications, page 7-12 .
„
If the F2 fuse blows, replace it with an identical fuse with the same rating. See
Specifications, page 7-12
.
To replace a fuse within the PS Office AC:
1. Turn the PS Office AC power switch OFF (downwards).
2. Unplug the AC power cord from the front panel. See
Figure 7-5 .
3. Remove the power supply unit from its slot and place it over the anti-static
material with the component side facing upwards. See
Removing the Power
Supply, page 7-9
.
4. Replace only with the same type and rating of fuse. See the PS Office AC card
layout in
Figure 7-2 on page 7-3 .
5. Re-install the power supply unit as described on
Installing the AC Power Supply,
page 7-6
.
Diagnosing the IPx Office LED Indicators
Refer to
Front Panel, page 6-3
, for a complete description of the LED indicators on the
front panel of the IPx Office unit.
The PS Office AC does not include an alarm LED indicator.
1. Turn the PS Office AC power switch OFF (downwards).
2. Remove all peripheral cards from the IPx Office unit or control and peripheral
cards from the relevant cage so that they protrude from the cage by
approximately 1 inch (2.5 cm).
...................................................................................................
5 Replacing the PS Office AC Fuses
Do not remove the power supply unit from the cage when turned ON. Sudden power
surges could damage system components. Before extracting the PS Office AC card,
verify that the power switch is turned OFF.