User's Manual

3.1.2.3 HROU part list
No. Unit Description Remark
1 HRDU X4
High Remote Drive Unit
Consist of UDCU, PAU and cavity filter
Filter and high amplify TX signals;
Filter and amplify RX signals in low noise amplifier;
Remove out-of signals through cavity duplexer
Optional
Max 4
2
RPSU(AC)
Remote Power Supply Unit
Input power: 110 VAC/220VAC (85~264V)
Output power: +29 VDC
RPSU(DC)
Remote Power Supply Unit
Input power: -48 VDC(-40.8 ~ -57.6V)
Output power: +29 VDC
3 R-OPTIC
Remote Optic
Make RF conversion of TX optical signals;
Convert RX RF signals into optical signals;
Compensates optical loss;
5dBo optical link between ODU(OM4) and ROU;
10dBo optical link between ODU(OM1) and ROU;
Fiber Connector: SC/APC Connector;
Optical Wavelength: 1310/1550 WDM;
Communicates with BIU/OEU though the FSK modem
4 RCPU
Remote Central Processor Unit
Controls signal of each unit
Monitors BIU/ODU/OEU status through FSK modem
communication
5
CU_1A70851921
Multiplexer1
Combine TX signals from 4 HRDUs; Distribute RX signals to
4 HRDUs
CU_2A70851921
Multiplexer2
Combine TX signals from 2 HRDU ;Distribute RX signals to
2 HRDUs of low frequency under 1GHz
Combine TX signals from 2 HRDUs; Distribute RX signals to
2 HRDUs of high frequency over 1GHz
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