Installation guide
Chapter 2: HDX Hardware Overview 7
DigiLink Mini Cables
Use DigiLink Mini cables to connect HD I/O,
HD OMNI, and HD MADI audio interfaces to
HDX cards. There are five different lengths of
DigiLink Mini cables:
•18
” (0.46m) (included with HD I/O,
HD OMNI, and HD MADI audio interfaces)
•12’ (3.6m) (one included with each HDX
card)
•25’ (7.62m) (sold separately)
•50’ (15.25m), the maximum length sup-
ported for 176.4 kHz and 192 kHz sessions
(sold separately)
• 100’ (30.5m), the maximum length sup-
ported by 88.2 kHz and 96 kHz sessions
(sold separately)
Avid HD Audio Interfaces
To record and play audio with Pro Tools (or
with a qualified third-party Core Audio-com-
patible or ASIO-compatible application), you
must have at least one Avid HD audio interface
connected to the first port of the first HDX card
in your system.
HD OMNI Audio Interface
HD OMNI provides a compact preamp, monitor-
ing, and I/O solution for music production and
recording, and post production studios.
HD OMNI Features
HD OMNI provides up to 8 discrete channels of
Pro Tools input and output, with 4-segment
LED meters for input or output (selectable).
Analog I/O
• 24-bit analog-to-digital (A/D) and digital-to-
analog (D/A) converters, with support for
sample rates up to 192 kHz
• 2 high-quality Mic/DI preamps (Channels
1–2)
• 2 combined XLR and 1/4-inch TRS front panel
inputs for microphone and instrument level
input
• 2 XLR back panel microphone inputs
• 2 1/4-inch TRS Send and 2 1/4-inch TRS
Return back panel jacks for hardware inserts
on channels 1 and 2
• 4 analog TRS line level back panel inputs
(Channels 1–4)
For more information, see the HD OMNI
Guide.
Only one HD OMNI can be used in a single
system.