User's Manual

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4.1.3.2 HROU part list
No. Unit Description Remark
1 R-OPTIC
Remote Optic
Make RF conversion of TX optical signals;
Convert RX RF signals into optical signals;
Compensates optical loss
Communicates with BIU/OEU though the FSK modem
Optional
Only HMRU
2 RCPU
Remote Central Processor Unit
Monitoring status of each unit
Communicating with BIU/ODU/OEU
Support LED indicators on it to check alarm
Common
3 RPSU
Remote Power Supply Unit
Input power: 120V, Output power: 28V single voltage
Common
4 SIU Ass’y
Distributes data signal and power signal to each
module
Common
5 RDU
Remote Drive Unit
Consist of RFU, 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 2
6 Enclosure
Enclosure to satisfy NEMA4;
Enable Wall/Rack Mount
Common
7 FAN Unit
FAN Unit
Attach outside of enclosure
Cool the enclosure’s heat using two fans
Operate either on or off according to designated
temperature
Common