User guide

Pro Tools|HD Native User Guide16
Connecting Audio Interfaces
Each Pro Tools|HD audio interface provides sev-
eral different input and output options. For ex-
ample, HD OMNI supplies up to 8 channels of
input and output to your Pro Tools system,
HD I/O supplies up to 16 channels of input and
output, and HD MADI provides up to 64 chan-
nels. Audio interfaces can be connected directly
to the Pro Tools|HD Native card, or through the
Expansion ports on other Pro Tools|HD audio
interfaces.
The Pro Tools|HD Native card supports up to 64
channels of audio input and output. To get a full
64 channels of I/O, you can connect up to four
16-channel Pro Tools|HD audio interfaces to the
Pro Tools|HD Native card. Two of the interfaces
connect directly to DigiLink Mini Ports 1 and 2,
and the other 2 interfaces connect to the Expan-
sion ports on those Pro Tools|HD audio inter-
faces.
You can also get a full 64 channels of I/O with
HD MADI connected to the Pro Tools|HD Na-
tive card using 2 DigiLink Mini cables. However,
HD MADI will be the only audio interface in the
system.
Refer to the HD OMNI Guide, HD I/O Guide,
HD MADI Guide, 192 I/O Guide, 192 Digital I/O
Guide, 96 I/O Guide, or 96i I/O Guide for specific
details regarding:
• Front and back panel connectors and indi-
cators
• Installation of optional expansion I/O
cards (HD I/O and 192 I/O only)
To connect Pro Tools audio interfaces:
1 If you are using a single Pro Tools|HD audio
interface (such as HD OMNI), connect the Pri-
mary Port to DigiLink Mini Port 1 on the
Pro Tools|HD Native card with the included
DigiLink Mini cable. You must attach at least
one Pro Tools|HD audio interface to your system
in order for Pro Tools to launch.
2 Connect an additional Pro Tools audio inter-
face by doing one of the following:
• Connect the Primary Port of the secondary
interface to the Expansion Port of the pri-
mary interface with an additional DigiLink
Mini (or DigiLink Mini to DigiLink cable).
– or –
• Connect the Primary Port of the secondary
interface to DigiLink Mini Port 2 on the
Pro Tools|HD Native card.
3 Make the necessary Loop Sync connections.
At least one Pro Tools|HD audio interface
must be connected to the Pro Tools|HD
Core card for Pro Tools to launch.