ALLGON System AB
Introduction
AR Repeaters & OMT Introduction
Allgon repeaters are used to fill out uncovered areas in cellular mobile
systems, such as base station fringe areas, road tunnels, busirEss and
industrial buildings, etc.
A repeater receives signals from a base station, amplifies
signals to mobile stations. Also it receives, amplifies
are
in the opposite direction. Both directions
To be able to receive and transmit signals in both directions, the repeater is
connected
service antenna directed towards the area to be covered.
Operation of the repeaters is performed using a desktop or notebook and the
Allgon
locally or remotely
There is also an Allgon OMC (Operation & Maintenance Center), which is
intended to be used to
The repeaters and the
described in the
to a donor antenna directed towards the base station and to a
OMT
(Operation & Maintenance Terminal) which communicate,
via
modem, with the repeaters.
run
many Allgon AR repeaters.
OMIT
is described in this manual. The OMC is
Advanced Repeater 0MG, User’s Manual.
served simultaneously.
and
retransmits the
and
retransmits signals
User’s Manua~ VD2O1 17/EN
Rev. 4B 19c8-03
2-1
Figure 2-1. Allgon AR Repeater
Installation AR Repeaters & OMT
ALLGON
System AB
Installing 24
Volt or 48 Volt DC Power Supply Unit
PSU
a 24 Volt or 48 Volt DC
2. Disconnect the two connectors on the PSU.
3.
Loosen the three fixing screws using a 5mm Allen key.
4.
Remove the PSU from the repeater.
5.
Mount the 24/48 Volt DC PSU with the three fixing screws (3).
6. Connect the PSU to the
7. Connect the DC power cable. The supplied cable has a radiation limiter which is a requirement for
the 24/48 Volt unit to be type
approved. The cable shall be connected as follows:
as follows:
1. Switch the repeater off and remove the mains plug from the PSU, if
not already done (1 in Figure 3-9).
DIA
board (2).
You can replace an AC PSU with
+
The
pole shall be connected to one of the left terminals in the PSU
connector with the BROWN part of the DC cable.
The
pole shall be connected to one of the right terminals in the
—
PSU connector with the BLUE part of the DC cable.
8. When the connection is completed, switch the repeater on.
9.
Make sure the yellow LED is lit on the PSU.
The DC Power Supply Unit must be galvanically separated from the
mains supply with an equipment fulfilling the 1EC65 safety
requirements.
3 - 14
VD2O1 171EN
Figure 3-9. Replacing the PSU
ALLGON System AB
AR
Repeaters
Rev. 48 W98-03
& OMT PC Controlling
User’s Manual
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