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APPENDIX - CONNECTION SPECIFICATIONS
INTRODUCTION
The following information contains all the wiring details to allow users to connect
peripheral devices to the back panel of the Engine.
A1 - AUDIO I/O CONFIGURATION
Merlin uses a Fairlight ESP designed proprietary card called the QDC for all its audio I/O
and processing. A number of QDC cards can be configured within a Engine. Merlin can be
ordered with any of 12 Audio I/O combinations.
On each QDC , a maximum of 6 I/O module boards, can be configured, to allow 8 I/O
channels per module. This allows for a maximum of :-
16 analog inputs and 32 analog outputs
or a maximum of 32 digital inputs and digital outputs plus 16 analog inputs per QDC to be
available.
The following pages describe the wiring pin outs for each QDC, to enable installation
personnel to configure and wire the system.
QDC card
Engine Rear Panel
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