General Dynamics C4 Systems URC-200 (V2)
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3. Unscrew the single cap screw from in front of the power amplifier.
4. Slide the power amplifier out from the tray, to release it from the two rear guide
pins.
For reinstallation steps the URM-100 Rack Mount Tray Manual (99-P44032F), and the
UPA-55H Manual (99-P44032F).
7.1.5.3 Removing the UAC-350 Power Supply:
The following steps outline the procedure for removing the UAC-350 Power Supply from
the Rack Mount System. If the steps cannot be performed due to space restrictions, then
it may be necessary to first uninstall the tray from the 19” rack.
1. Ensure the power amplifier and transceiver are turned off, and that the power
supply is disconnected from the AC power source.
2. Disconnect the following cables from the power supply:
• AC input power cable
• Power cable assembly from power supply to interface box
3. Unscrew the six power supply mounting screws.
4. Remove the power supply from the tray.
7.2 Portable Backpack System
The Portable Backpack System (Figure 24) is a 10 Watt UHF/VHF Mobile Transceiver
System consisting of the following:
• URC-200 (V2) Transceiver with the ECS-8 8.33 kHz Frequency Tuning
Increment option installed
• UVU-100 Radio Antenna
• PTHS-110 Handset
• UAD-100A Uninterruptible Power Supply with two batteries
• UCB-200 Carrying Bag
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