User Manual

Installing 24
Volt or 48 Volt DC Power Supply Unit
You can replace an AC PSU with
a 24 Volt or 48 Volt DC
PSU
as follows:
1. Switch the repeater off and remove the mains plug from the PSU, if not
already done (1 in Figure 3-9).
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
DIA
board (2).
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:
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
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14
Rev. 48 W98-03
User’s Manual
VD2O1 171EN
Figure 3-9. Replacing the PSU
ALLGON System AB
AR
Repeaters
& OMT PC Controlling
Band Selective Type