User's Manual

User Manual
Rosenberger Active Das With Intelligent Antenna system
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4 Connection
This chapter introduces devices connection and antenna connection.
4.1 IM2U/NEU/IRU-O Connection
Optical fiver can be used to connect IM2U with NEU. The optical connector is FC/APC. IRU-O is
power supplied by NEU remotely. Hybrid cable can be used to connect NEU and IRU-O. The hybrid
cable requires users to order separately.
The RF input ports of IM2U is N-Female, RF cable is required to connect IM2U with BTS. The
length depends on the distance between IM2U and BTS.
4.2 Antenna Connection
The IRU-O output ports are QMA. It requires to use the RF cable to connect to antenna system. The
antenna selection depends on user solution. Users
can use high gain omni-antenna or high gain
directional antenna. The gain suggested no more than 8dBi.