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Connection to the EDAC connectors
The EDAC connector has 28 inputs. Each of these inputs consists of three jacks.
To connect an analog audio stereo source two adjacent inputs are needed. The input with the odd number is
used for the left channel; the input with the even number is used for the right channel. This means that 14 ste-
reo sources can be connected per EDAC connector.
To connect a digital audio source only the inputs with the odd numbers are used. This means that also 14 stereo
sources can be connected.
Each channel has three connections, the hot connection (v+), the cold connection (v-) and the ground (gnd).
To receive the best noise immunity when connecting the various sources to the EDAC connector the following
instructions must be followed for analog audio sources:
Three wire analog balanced connection
•
Connect the hot output of the source via the hot wire of the cable to v+ of the EDAC connector!
•
Connect the cold output of the source via the cold wire of the cable to v- of the EDAC connector!
•
Connect the ground/shield of the source via the ground/shield of the cable to the GND of the EDAC connec-
tor!
Three wire analog unbalanced connection
•
Connect the hot output of the source via the hot wire of the cable to v+ of the EDAC connector!
•
Connect the ground/shield of the source to the ground/shield of the cable!
•
Connect the ground/shield of the source to the v- of the cable!
•
Connect v- of the cable with the v- of the EDAC connector!
•
GND of the EDAC connector is usually not connected but depending on the source, it could be necessary to
connect the GND of the EDAC connector also!
Two wire analog unbalanced connection
•
Connect the hot output of the source via the hot wire of the cable to v+ of the EDAC connector
•
Connect ground/shield of the source via the ground/shield of the cable to v- of the EDAC connector
•
GND of the EDAC connector is usually not connected but depending on the source, it could be necessary to
connect the GND of the EDAC connector also!
Barco – Hydra – R5976260 – Revision 10 – February-2004
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3. Getting started
jacks.
3-23
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