Power Supply Removal And Replacement - Alcatel MDR-8000 User Manual

POWER SUPPLY REMOVAL AND REPLACEMENT

5.7
See Figure 5 - 11 and follow the procedure to remove and replace CE-16BB Power Supply.
This is an out-of-service procedure when on a nonstandby (unprotected)
system. On a hot-standby or frequency diversity system, switch traffic on
the channel under test to protect. Use front panel OVRD controls on AE-
37( ) Controller to switch and lock on-line opposite side XMTR, RCVR,
and I/O to opposite side from failed power supply.
REMOVE:
(Remove steps are prefixed
by the letter "R".
Set PA POWER switch to OFF.
Ra
Set POWER switch to OFF.
Rb
Rc Loosen mounting screws
(if present).
Unlatch top and bottom insertion and
Rd
extraction handles and remove power
supply from shelf.
NOTE
Radios have provisioning data stored on
both the controller and A-side power supply.
When provisioning
downloading, the provisioning data is stored
on both modules. If the radio is non-standby
and the A-side power supply fails, the radio
must be reprovisioned after the module is
replaced and the
downloaded and saved. If the radio is hot-
standby, the provisioning data stored on the
controller is automatically copied to the
replacement A-side power supply when
provisioning is saved.
CAUTION
Possibility of
Interruption
P/O SHELF
is saved through
reprovisioned data
CAUTION:
TIGHTEN MOUNTING
SCREWS BEFORE
APPLYING POWER
2 PLACES
MARKED
P/O SHELF
Figure 5 - 11 Power Supply Removal/Installation
Service
INSTALL:
(Install steps are prefixed
by the letter "I".
ALARM
Verify joining surfaces on
Ia
OFF
power supply and heatsink
NORM
are clean. are clean.
ON 1
Insert power supply in shelf and
Ib
POWER
latch top and bottom insertion
OFF 0
and extraction handles.
+ 10.5V
Tighten Screws (if present).
Ic
+ 12V Torque screws to 19 in. lbs.
– 5V Set POWER switch to ON.
Id
– 12V
If PA is not equipped, setting
PA POWER switch to ON will
turn on OFF NORM alarm.
GND
Set PA POWER switch to ON
Ie
(if equipped).
ON
PA
A mismatch
OFF
revisions on the controller and the
replacement A-side power supply
causes a flashing controller fail
alarm when the spare power supply
is plugged in.
NOTE
NOTE
between software
MDR-1041
09/08/05
5-21