Installation Instruction VARIODYN
®
D1 System
FB 798663.GB0 / 05.19
73
7.7.2 Series 4XD125B and 4XD250B
One DOM and one backup channel:
•
This channel can act as backup for the other three channels
•
Additional backup
for 5
DOMs, each using one four-channel amplifier
CH1
O
UT
1
4
2
5
3
6
1
4
2
5
3
6
CH2
O
UT
CH3
O
UT
1
4
2
5
3
6
1
4
2
5
3
6
CH4
O
UT
IN
REP
PA
1
2
1
2
3
4
3
4
DOM
(with main aplifiers)
DOM
(with backup amplifiers)
to additional
DOM
1
2
One channel can act as backup for the
other three channels
With a four-channel backup amplifier incl.
the backup cable RC 41 (Part No.
583441), up to five further DOMs can be
replaced with 4XD125B and 4XD250B.
Use to connect the prefabricated cabling from one backup channel to three voice/data channels for 3:1 backup in
connection with four-channel amplifier 4XD125B or 4XD250B.
Fig. 66: Backup cable RC 41 VARIODYN
®
D1, 2 m (Part No. 583441) or 0.5 m (Part No. 583441.10)
For 3:1 backup operation, only one channel of a four-channel amplifier (4XD125B and/or 4XD250B) is
required as a backup amplifier.
