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DEVICE DESCRIPTIONS
External Pilot Tone Configuration
connected in parallel. The DCS 423R module switches the output signal of a power amplifier that fails to operate
over to the corresponding spare amp. This configuration demands for the least amount of modules.
(with 19kHz Pilottone)
The following table shows a listing of needed modules for the configuration of different spare systems using an
externally generated pilot tone signal.
DCS 421R
SETUP
5-98
This configuration is used for the spare device switching in single program
installations, i.e. when a single LF-signal is fed to several power amps, when at the
same time the pilot tone signal is generated by an external source (e.g. DPM 4000),
consequently not employing a DCS 422R module. The power amps inputs are
Prog A
Amp
Amp
Amp
Amp
Spare
Amp
SPARE
AMPs
AMPs
1-4
1
Max.
1
68
2-8
2
Max.
2
68
3-12
3
Max.68
3
4-16
4
Max.
4
68
Prog A
Pilot
Detector
Prog A
Pilot
Detector
Prog A
Pilot
Detector
Prog A
Pilot
Detector
Pilot
Detector
DCS
DCS
DCS
400
405R
421R
1
0
2
2
1
0
2
2
1
0
2
2
1
0
2
2
PROMATRIX System User Handbook 1.2
DCS
DCS
422R
423R
1
0
1
1
0
17
1
0
2
1
0
17
1
0
3
1
0
17
1
0
4
1
0
17
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