Unique Broadband Systems Ltd. DRU1KW User Manual
Chapter
6
Maintenance
6.5.5
Terrestrial Repeater Monitoring System (TRMS) Replacement
Always ensure that the AC power to the TRMS has been switched OFF
prior to removing the TRMS. This will prevent injury caused by electric
prior to removing the TRMS. This will prevent injury caused by electric
shock and prevent damage to equipment.
6.5.5.1
TRMS Removal
The TRMS should be removed in the following sequence:
1. Open the LB cabinet electronics compartment front and rear doors, as well as the HB
cabinet front door.
2. Switch OFF the TRMS rear panel power switch.
3. Switch OFF the TRMS circuit breaker (CB 8), located on the LB cabinet PDU front
3. Switch OFF the TRMS circuit breaker (CB 8), located on the LB cabinet PDU front
panel.
4. Disconnect the wires/cables connected to the TRMS rear panel.
5.
5.
Remove the four (4) Phillips pan head screws which secure the TRMS to the mounting
rails
rails
– see Figure 6-7.
6. Remove the TRMS from the LB cabinet electronics compartment and set it aside.
Figure 6-7 TRMS in Rack
1) XXX Screw
2) TRMS
SX03-20000-01-M01 6-19