User's Manual

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4.1.7. Function of modules
No Module Functions
1
[MHU NMS Controller]
Monitors/controls the status and configurable
items of each module in MHU
2
[PSU]
Converts AC110V into DC9V and DC6.5V and
provide them to each module in MHU
3
[MRFCOM]
Detect the FWD/RVS RF signal power level from
RU. Also provide the connection pin to FSK
modem and this module has -23dB monitor port
of module output.
4
[FSK Modem]
Data modem for MHU and RU communication
MHU → RU frequency: 360MHz
RU → MHU frequency: 340MHz
5
[DOU]
Converts E/O (or O/E) of FWD and RVS signals.
Wavelength: TX 1310[nm], RX 1550[nm]
6