AudioArts Engineering D-75 - SC-75 Hook-ups and Pinouts

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D-75 / Sep 2004
STUDIO CONTROL MODULE
Hook-Ups
As stated before, all user wiring to and from the SC-75 module takes place
at the two DB-25 multi-pin connectors mounted at the top of the module.
Left DB-25 “B” Connector — Audio
Handles module’s External stereo inputs. All audio signals are analog
stereo, +4dBu balanced.
Pin 19 – Ext 1 Lt In SH
Pin 18 – Ext 1 Lt In HI
Pin 6 – Ext 1 Lt In LO
Pin 5 – Ext 1 Rt In SH
Pin 4 – Ext 1 Rt In HI
Pin 17 – Ext 1 Rt In LO
Pin 16 – Ext 2 Lt In SH
Pin 15 – Ext 2 Lt In HI
Pin 3 – Ext 2 Lt In LO
Pin 2 – Ext 2 Rt In SH
Pin 1 – Ext 2 Rt In HI
Pin 14 – Ext 2 Rt In LO
Right DB-25 “A” Connector — Audio and Tally 2
Handles module’s TB, studio pre, and studio outputs, and the tally 2. All
audio signals are balanced analog stereo.
Pin 25 – TB Out SH
Pin 24 – TB Out HI
Pin 12 – TB Out LO
Pin 22 – ST Pre Lt Out SH
Pin 21 – ST Pre Lt Out HI
Pin 9 – ST Pre Lt Out LO
Pin 8 – ST Pre Rt Out SH
Pin 7 – ST Pre Rt Out HI
Pin 20 – ST Pre Rt Out LO
Pin 19 – ST Lt Out SH
Pin 18 – ST Lt Out HI
Pin 6 – ST Lt Out LO
Pin 5 – ST Rt Out SH
Pin 4 – ST Rt Out HI
Pin 17 – ST Rt Out LO
Pin 2 – SH
Pin 1 – Tally 2 Relay N.O.
Pin 14 – Tally 2 Relay COM
Typical DB-25
connector