Replacing The Gtr 8000 Base Radio Backplane; How To Replace A Gtr 8000 Base Radio Backplane; Figure 9-9 Gtr 8000 Base Radio Showing Connections To Backplane Through Backplane Cover - Motorola GTR 8000 Manual

13 Verify that the power amplifier is operating properly.
• The power amplifier Status and Transmit LEDs are green.
• The Alarm LED is off.
• Proper operation is confirmed using software tools, such as Unified Event Manager, and the Transmitter
Metering Screen in Configuration/Service Software (CSS).
14 Enable the base radio as follows:
a. Select Service → Test Measurement Screen from the menu.
b. Click Change to Normal Mode.
Step result: The base radio is enabled.

9.7 Replacing the GTR 8000 Base Radio Backplane

In a GTR 8000 Base Radio, the backplane is the circuit board at the rear of the card cage which connects the power
supply, transceiver and power amplifier.
backplane. See
(HPD), page 3-26

Figure 9-9 GTR 8000 Base Radio Showing Connections to Backplane Through Backplane Cover

The procedure assumes the following service access clearances:
• At least 60.96cm (2 ft) access at the rear of the rack, or
• At least 60.96cm (2 ft) access on one side of the rack, and at least 6 inches at the rear of the rack

9.7.1 How To Replace a GTR 8000 Base Radio Backplane

Procedure Steps
6871022P86-A - November 2012
Figure 9-9
3.4.5 Connections – Rear (Integrated Voice and Data), page 3-23
for the ports and cables that must be disconnected in order to remove the cover.
9.7 Replacing the GTR 8000 Base Radio Backplane
shows the metal cover that must be removed to access the
and 3.4.6 Connections – Rear
9-21