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Digital Connections - Chapter 7
Q20 Reference Manual 107
Connections
To a Single ADAT
Connection between the Q20 and one or more ADATs is a simple task of creating a
digital audio network that loops all the devices together. When using a single
ADAT, simply connect two fiber optic cables between the devices to provide two-
way communication.
Q20 Optical Out to
ADAT Optical In
´
ADAT Optical Out
to Q20 Optical In
To connect the Q20 to a single ADAT:
➀ Connect an EIAJ fiber optic cable (such as Alesis OC, OA, or O1) from the
[DIGITAL OUT] of the Q20 to the DIGITAL IN of the ADAT.
To test the cable and Q20 digital output, plug one cable end into the Q20. The
other end should emit a soft red light (it is not dangerous to look directly at
this light).
➁ Connect another fiber optic cable from the Q20Õs [DIGITAL IN] to the DIGITAL
OUT of the ADAT .
Note that the ADAT Optical inputs and outputs are 16 bit. This means that a 20 bit
signal from an ADAT Type II recorder (M20, ADAT-XT20, ADAT-PCR, etc.) will be
truncated down to 16 bits automatically, even if the Q20 is in thru mode. (The
S/PDIF I/O is 20 bit. )
✪