Dcn-Dis Discussion Unit - Bosch DCN Next Generation Installation And Operation Manual

Conference System
9.4

DCN-DIS Discussion Unit

Problem
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9.5 DCN-WD Wireless Discussion Unit
Problem
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Bosch Security Systems B.V.
Not possible to initialize the DCN
Discussion Units.
Depending on menu setting 8L, at two or
more units the microphone indicator ring is
flashing or continues red. The LEDs of the
microphone buttons are off.
Unit fully operational but no audio to the
loudspeaker or headphones.
Although the system powers the trunks,
units are not operational.
A unit does not operate as expected.
Not possible to subscribe the DCN wireless
discussion units.
Depending on menu setting 8L, at two or
more units the microphone indicator ring is
flashing or continues red. The LEDs of the
microphone buttons are off.
Unit fully operational but no audio to the
loudspeaker or headphones.
Installation and Operation manual
Troubleshooting | en 261
Hint
– The DCN signal is re-generated too
many times (refer to Section 4.1 DCN
design).
– The trunk is too long (refer to
Section 4.1 DCN design).
– The DCN signal is not re-generated
each 100 m (refer to Section 4.1 DCN
design).
The contribution devices have the same
address. Make sure that each active
device in the DCN has a unique address
(refer to Section 7.1.2 Initialization and to
Table 7.14).
The audio routing mode of the central
control unit is Insertion and you did not
connect a device between audio input 2
and audio output 2 of the central control
unit (refer to Section 7.3 DCN-CCU2 and
DCN-CCUB2 Central Control Units).
The DCN contains a defective extension
cable. Find the defective extension cable
and replace it. The defective extension
cable can be anywhere in the DCN.
The discussion unit is not in the correct
mode. Refer to Table 7.29.
Hint
– System is not in subscription mode.
– The unit is not in range of the
wireless access point (WAP).
– The maximum number (245) of
wireless units has been reached.
The contribution devices have the same
address. Make sure that each active
device in the DCN has a unique address
(refer to Section 7.1.2 Initialization and to
Table 7.14).
Subscribe the units again.
The audio routing mode of the central
control unit is Insertion and you did not
connect a device between audio input 2
and audio output 2 of the central control
unit (refer to Section 7.3 DCN-CCU2 and
DCN-CCUB2 Central Control Units).
DCN-NG_IOM_V4.1 | V1.3 | 2012.07