User's Manual

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2 AOR PSU
AOR Power Supply Unit
Input power: DC -48V, Output power: 27V,9V, 6V
For 110V input of AC/DC;
For -48V input of DC/DC
3 Enclosure
Enclosure to satisfy NEMA4;
Enable both Wall and Rack Mount;
4 SIU
System Interface Unit
Distribute power and signals of module
4.5.4 Function by unit
1) VHF+UHF Remote Drive Unit (RDU)
When receiving TX signals from each band through existing ROU’s Remote Optic, RDU filters
out of band signals and amplifies them with High Power Ampifier. The unit also filters RX
signals given through RX antenna and amplifies them to send the signals to existing ROU’s
Remote Optic.
In the unit, there is ATT to adjust gain each path. VHF+UHF RDU is not supported with cavity
filter together. External BPF should be connected before antenna
Figure 4.34 – RDU Outer Look
2) AOR Power Supply Unit (AOR PSU)
AOR PSU receives -48V of input. This unit is divided into DC/DC type to output +6V, +9V and
+27V of DC power and AC/DC type to receive 110V of AC input and to output +6V, +9V and