User's Manual

mBSC081921-12 System
Operation Manual Issue 2
© 2009, Bravo Tech Inc. Page 8
Figure 2-5. 3 Remote Unit Assembly With Solar Shell
2.4.1 Basic Functions of RU
The RU provides the following functions:
• Convert downlink optic signal to RF signal and uplink RF signal to optic signal
• Booster the forward RF signal from HU to high power level (Max output: 40W / RU)
• Amplify the uplink signal from antenna to improve the system receive sensitivity
2.4.2 RU Interface Ports Description
Each interface port of Remote Unit, shown in Figure 2-7, is described in below Table 2-2.