Installation Guide

Connecting RMU
Figure 2-10 shows an RMU for donor antenna and separate RX/TX fiber
optic cables to one FOR. By using WDMs and OSPs, up to four FORs can
be fed in parallel by an RMU with double or single fiber communication.
Up to eight FORs can be fed with a high cover and two FOUs.
1. Connect the donor antenna coaxial cable to the right in the cabinet
(’BS’ in Figure 2-10). Use an N type male connector.
2. Connect the RX and TX fiber optic cables from the FON board
located in the upper part of the FOU to an FOR.
3. Connect station ground, if to be used (see page 2-7).
4. Mount the mains plug to the mains cord (if to be used) but do not
connect the mains (see page 2-7).
5. Connect external alarm and optional door open alarm, if this feature
is to be used. Descriptions are found on page 2-13.
6. Connect the R2R cables, if this feature is to be used (see page 2-14).
7. Connect a mains breakdown relay, if mains breakdown alarm is
available and is to be used (see page 2-15).
MS
DPX
ANT
TEST
DC
-30 dB
-20 dB
TX
BS
P102
P130
Beryllium
oxide
hazard
P103
P101
P114
P108P112P111
P105
P110
P109P115
P106
P104
RX
TX
P113
RX
OUT
LOW
IN ATT +7V OUT1 OUT2
LNA
UL
OUT
LOW
IN+7V ATTOUT2 OUT1
LNA
DL
FOU
FON
FOR
PSU
R2R
Mains
Figure 2-10. Connecting RMU
Allgon Systems AB AR Repeaters Installation
VD204 43/EN - Installation Guide Rev. 1A 2001-06 2 - 11