User Manual

Confidential & Proprietary 47/99
4.4.4 Function by unit
1) Remote Drive Unit (RDU)
When receiving TX signals from each band through Remote Optic, RDU filters the signals and
amplifies them with High Power Ampifier. The unit also filters RX signals given through
Multiplexer and amplifies them to send the signals to Remote Optic.
In the unit, there is ATT to adjust gain. RDU devices are varied for each frequency band,
including the following:
BPF
No Unit naming Description
TX RX
1 RDU 800PS Single, External BPF Internal BPF
2 RDU 850C Single, External BPF External BPF
3 RDU 1900P+AWS-1 Dual,
External BPF(1900P)
Internal BPF(AWS-1)
External BPF(1900P)
Internal BPF(AWS-1)
4 RDU 800PS+900I+PA Dual,
External BPF(800PS)
Internal BPF(900I+PA)
Internal BPF(800PS)
External BPF(900I+PA)
5 RDU 850C+700PS Dual,
External BPF(850C)
Internal BPF(700PS)
External BPF(850C)
Internal BPF(700PS)
6 RDU VHF+UHF Dual
External
BPF(VHF,UHF)
External
BPF(VHF,UHF)
800PS 800PS+900I+P
A