User's Manual

User Handbook L-RU Revision C

CONFIDENTIAL

PROPRIETARY

Reg. No.: User Handbook 1100182-C.DOC Page 8 of 29

An example for a system topology is presented in Figure 3.

Figure 3 – Example of ClearFill

Space1 System Topology

Both devices (L-MU and L-RU) include an automatic level control (ALC) in uplink and

downlink that eliminates system gain variation, regardless of optical loss guarantying opti-

mised system performance under minimised installation effort.

The interface to the BTS / Node B or an Off-Air Repeater is the master unit. In case of a

multi-operator system a combining network (POI) has to be used in order to adapt the in-

put signal to the MU interface.

An opportunity to extend the system to distribute WiFi over the same DAS is foreseen via

RFS WiFi injection port.

L-RU