User's Manual

User Handbook L-RU Revision C
CONFIDENTIAL
PROPRIETARY
Reg. No.: User Handbook 1100182-C.DOC Page 11 of 29
3 Description of Remote Unit
The medium-power RU is designed for applications in buildings and tunnels. Operating in
ALC modus in uplink and downlink the RU provides an easy plug-and-play handling with-
out system leveling. The output power level in downlink is fixed according to ETSI re-
quirements. The monitoring of function is locally indicated by LEDs. The summary alarm
switches the pilot tone to the optical Master Unit. The optical transceiver operates on
mono-mode fibers.
The remote unit comprises an optical transmitter and receiver, active and passive RF
components, and a single RF input / output port.
RF IN / OUT
Connector
LED Monitoring
AC Power
Cable
(not shown)
Earthing Clamp
DL
Optic in
SC/APC
connector
UL
Optic out
SC/APC
connector
LED
Mains
Figure 4: Picture of Optical Remote Unit