Transcript Security Systems BU Communication Systems Addressing a Multi CCU System 09.12.2004 DCN MCCU IO Initializing I&O Manual ST/SEU-CO 1 Security Systems BU Communication Systems Initializing a System  09.12.2004 System.

Security Systems BU Communication Systems
Addressing a Multi CCU System
09.12.2004
DCN MCCU IO Initializing
I&O Manual
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Security Systems BU Communication Systems
Initializing a System
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System set up procedure initializing a system
DCN MCCU IO Initializing
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Initializing a Multi CCU System
Introduction
When all the units in a system have been installed, the system must be initialised and made
ready for use. The initialisation procedure enables all DCN units installed to be recognised by
the CCU. Recognition is given in the form of an address, allocated by the CCU to each active
unit in the system.
A ‘de- init’ switch located under each DCN contribution unit is used to clear the units allocated
address when conflicts with duplicated addresses occur.
The following describes how to initialize a ‘Single CCU’ or a ‘Multi CCU’ based system.
Initialising a stand- alone system
Note: Step 1 is normally not required for systems powered- up for the first time. First time
systems are de- initialised, therefore proceed with step 3 after switching on the CCU.
Step 1 On the CCU locate the push- button and the small recessed switch (Start) under
‘Equalizer’. Using a small pointed device (e. g. paper- clip) insert the device into the
recess hole (3) and activate the switch while holding down the equaliser ‘Start’ switch and
‘Equaliser’ push- button for at least 10 seconds after switching on the CCU (1).
Ensure its power LED is lit (2). DCN units with LC- display show the firmware release version
of the unit itself and not the CCU firmware release version!
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Step 2 All unit addresses have been cleared and the LEDs on all active units illuminate after
completing step 1.
Note: If this is not the case resume at step 1 again or remove the unit.
Step 3 To initialise an individual unit press the units microphone key while the units LEDs are
lit (for interpreters desk press the ‘Mute’ key, the Dual Audio Interface Unit and the
Multi- Purpose Connection have their own ‘de- init’ but, but can also be initialised by pressing
the microphone key of a connected microphone). Once pressed the units LEDs go out. The
unit is now recognised in the system by the CCU. Repeat this procedure for all active units
installed in the system one by one. Initialise all units one by one (not simultaneously) to
eliminate addressing problems.
Step 4 To clear the individual address of a delegate/ chairman unit in the event of an address
conflict, press the ‘de- init’ switch of the relevant unit.( See Chapter 2.).
Step 5 Repeat this actions for all CCU’s of the Multi CCU system.
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End of section
 Robert Bosch GmbH
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