How to connect the Digital ins/outs

1. Locate the DIGITAL IN and DIGITAL OUT
connectors for Tracks 1-8.
Remove the connectors’ plugs (if present) and store
for later use.
2. Remove the clear, plastic tube covering each
end of the optical cable (if present). Connect
one end of the fiber optic cable into the DIGITAL
OUT 1-8 jack of the HD24.
The cable is non-polarized, so either end can be
inserted into the optical output.
3. Connect the other end of the fiber optic cable to
the ADAT Optical™ input for the first eight
tracks of the receiver (mixer, computer
interface, or ADAT).
Tip: if the machines are on, the cable from the source
machine will show a red light at the end.
4. Repeat steps 2 and 3 for the DIGITAL OUT 9-16
and DIGITAL OUT 17-24 jacks.
5. Now, connect the outputs of the other device to
the DIGITAL IN 1-8, DIGITAL IN 9-16 and DIGITAL
OUT 17-24 of the HD24.
Only eight outputs on the other device?
In some cases, such as an 8-bus digital mixer
without direct outputs, you may not need to
connect to the DIGITAL IN 9-16 and DIGITAL IN
17-24 of the HD24. The HD24 can
electronically “patch” a digital input from its
first eight inputs to higher tracks if needed.
See page 22.
The illustration below shows an HD24 connected to
an 8-bus digital mixer. The mixer’s ADAT Optical
outputs are connected to the HD24 Digital Inputs
and the HD24’s Digital Outputs are connected to
the mixer’s ADAT Optical Inputs.

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