Motorola GTR 8000 Manual page 258

GTR 8000 Base Radio
1 Wear an electrostatic discharge (ESD) wrist strap and connect its cable to a verified good ground. This strap
must be worn throughout this procedure to prevent ESD damage to any components.
2 Disable the base radio that is using the power supply module being replaced, so the system does not attribute
the loss of channel to a failure.
a. Connect to the base radio's transceiver module Ethernet service port using Configuration/Service Software
(CSS). See
b. Select Service → Test Measurement Screen from the menu.
c. Click Change to Service Mode.
Step result: The base radio is disabled.
Push the power rocker switch to Off (0) on the power supply unit.
3
4 Using a T20 bit, loosen the two captive screws on the front of the power supply, so that they disengage from
the chassis.
It is recommend to let the power supply module cool before performing the following step, which
exposes surfaces of the module that can be extremely hot.
5 Pull on the metal handle to disengage the power supply from the backplane, and remove it completely from
the chassis.
6 Slide the replacement power supply into place, pushing gently until it seats.
Tighten the two captive screws on the front of the power supply.
7
8 Turn the power button to On, and verify that the power supply is operating properly.
• The power supply Status LED is green.
• The power supply Alarm LED is off.
• The power supply Fan LED is off.
• Proper operation is confirmed using software tools, such as Unified Event Manager, and the Power
Supply Metering Screen in Configuration/Service Software (CSS).
Enable the base radio as follows:
9
a. Select Service → Test Measurement Screen from the menu.
b. Click Change to Normal Mode.
Step result: The base radio is enabled.
9-14
4.4.4 Connecting Through an Ethernet Port Link, page 4-11.
6871022P86-A - November 2012