Specifications

Expanded Systems Guide10
To make DigiLink connections to Digidesign audio
interfaces:
1 Connect the primary audio interface to the
HD Core card with the provided 12-foot Dig-
iLink cable.
2 Connect a secondary HD-series audio inter-
face to the Expansion port on the primary audio
interface using the 18-inch DigiLink cable (in-
cluded with the audio interface). See Figure 2 on
page 11.
– or –
• Connect a secondary HD-series interface to
the DigiLink on the next card (HD Accel or
HD Process).
3 Connect additional HD-series audio interfaces
to subsequent Pro Tools|HD audio interfaces or
cards. See Figure 3 on page 11.
4 If connecting a Digidesign Legacy audio inter-
face (such as the 888|24 I/O), refer to “Using
Legacy Audio Interfaces” on page 12.
Loop Sync
To connect Loop Sync:
1 Connect the Loop Sync Out of the primary in-
terface to the Loop Sync In of the second inter-
face with the provided Loop Sync cables.
2 Connect the Loop Sync Out of the second in-
terface to the Loop Sync In of the next interface
and so forth.
3 Connect the Loop Sync Out of the last inter-
face to the Loop Sync In of the primary inter-
face.
When using a Sync I/O, the Sync I/O is con-
sidered the primary interface of the Loop
Sync connection. For more information, re-
fer to the Sync I/O Guide.