I N S T A L L I N G T H E P C I - 4 2 4 H A R D W A R E
30
2408MK3 INPUT & OUTPUT CONNECTIONS
The 2408mk3 audio interface has the following
input and output connectors:
■
8 balanced, +4 dB quarter-inch analog in/out
■
2 balanced, +4 dB quarter-inch TRS main out
■
1 pair of RCA SPDIF stereo in and out
■
1 extra RCA SPDIF stereo out
■
3 banks of Alesis ADAT optical digital in and out
■
3 banks of Tascam TDIF digital in and out
Here are a few things you should keep in mind as
you are making these connections to other devices.
Internally, the 2408mk3 has three separate banks of
8-channel input/output. You can choose any
format you want for each bank, and you can freely
switch between them at any time. Therefore, you
don’t have to be too concerned about where you
plug things in, with the exceptions noted below.
SPDIF can only be used on Bank C. Therefore, if
you would like to use another I/O format at the
same time as SPDIF, connect it to Bank A or B.
Reminder: ADAT optical goes OUT to IN and IN
to OUT, like MIDI.
It doesn’t matter which bank you connect ADAT or
TDIF devices to, unless you want to be using them
simultaneously with other formats. For example, if
you have one ADAT, plus a DAT deck in your
studio, and you want to be able to use them both at
the same time, don’t connect the ADAT to Bank C
(since SPDIF can only be used on that bank).
Here’s another example, if you have one ADAT and
one Tascam recorder, and you want to use them
independently at the same time, connect them to
different banks.
On the other hand, you can connect an ADAT
optical device and Tascam TDIF device to the same
bank, if you like. For input, you’ll only be able to
record from one format or the other at one time
(on that bank). But on output, the 2408mk3
actually plays back audio on both formats at the
same time, regardless of which one is currently
active. This lets you send the same audio material
to both formats (but not different audio).
The main outputs, as well as the DAT SPDIF output
and the headphone output on the front panel,
match the output from Analog outputs 1-2. If none
of the 2408mk3’s three internal banks are set to the
Analog format, the 2408mk3’s analog output bank
will duplicate one of the three banks. The MOTU
PCI Audio Console Window has an
Interface
Options
setting that lets you choose which bank.
For details, see “Interface options” on page 70.
Here are some example connections:
Figure 4-3: A recommended setup for one ADAT optical device, a DAT
deck, and miscellaneous analog devices.
Figure 4-2: You can connect up to three ADAT optical devices, three Tascam TDIF devices, eight analog and two SPDIF devices to the 2408mk3.
2408mk3 interface
Bank A
Bank B
Bank C
ADAT
Analog
SPDIF
Summary of Contents for PCI-424
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