Replacing The Power Supply Unit (Psu) - Motorola MTS LiTE Installation, Configuration And Basic Service Manual

6802800U74-AN
Chapter 11: Power Supply Unit
Name of
Connector
Pin 10 - 11
Pin 4 - 6
Pin 9
Pin 12 - 13
Pin 7
Pin 14
Fan 1 MOLEX (4 pin, male)
Pin 1
Pin 1
Pin 1
Pin 1
Fan 2 MOLEX (4 pin, male)
Pin 1
Pin 1
Pin 1
Pin 1
Fan 3 MOLEX (4 pin, male)
Pin 1
Pin 1
Pin 1
Pin 1
11.3

Replacing the Power Supply Unit (PSU)

See the PSU power up sequence in
For a list of available FRUs, see
Process:
1 Remove the PSU, see
2 Install the Power Supply Unit into the cabinet, see
page 337.
3 Update the mapping list with the new unit TrackID, see
PSU TrackID on page
336
Type
+28.5
V
GND Base Radio
+7 V
+28.5
V
GND Site Controller
+28.5
V
Fan 1
+Vfan
-Vfan
-Vfan
Alarm
Fan 2
+Vfan
-Vfan
-Vfan
Alarm
Fan 3
+Vfan
-Vfan
-Vfan
Alarm
Powering Up the MTS on page
Field Replaceable Units (FRUs) on page
Removing the Power Supply Unit (PSU) on page
337.
To/From
DC supply for Fan 1
DC supply for Fan 2
DC supply for Fan 3
140.
446.
Installing the Power Supply Unit (PSU) on
Updating the Mapping List with the New
Comment
337.