User guide
Chapter 2: Pro Tools|HD Native Hardware Overview 11
192 Digital I/O Audio Interface
192 Digital I/O is a multichannel digital audio 
interface designed for use with Pro Tools|HD 
systems, and supports sample rates of up to 
192 kHz. 
192 Digital I/O Features
• Supports sample rates up to 192 kHz
• Supports digital connections, including 
AES/EBU, S/PDIF, TDIF, and ADAT Optical:
• Digital (2 Digital I/O Cards): 16 channels, 
DB-25 (AES/EBU and TDIF), or two pairs of 
Lightpipe (ADAT Optical) connectors
• Digital (Enclosure): 2 channels, XLR 
(AES/EBU) connectors; 2 channels RCA 
(S/PDIF) connectors
• Optical (Enclosure): 8 channels, one pair of 
Lightpipe (ADAT Optical) connectors (se-
lectable to 2 channels, S/PDIF)
• Loop Sync In and Out for connecting 
Pro Tools|HD interfaces and peripherals
• External Clock In and Out receive or send 1x 
Word clock
96 I/O Audio Interface
96 I/O is a multichannel digital audio interface 
designed for use with Pro Tools|HD systems. 
96 I/O features high quality 24-bit analog-to-
digital (A/D) and digital-to-analog (D/A) con-
verters, and supports sample rates of up to 
96 kHz. 
96 I/O Features
• Supports sample rates up to 96 kHz
• Supports analog and digital connections, in-
cluding AES/EBU, S/PDIF, and ADAT optical:
• Analog: 8 channels, 1/4-inch TRS (balanced 
or unbalanced) connectors, +4 dBu or 
–10 dBV
• Digital: 2 channels, XLR (AES/EBU) con-
nectors; 2 channels, RCA (S/PDIF) connec-
tors
• Optical: 8 channels, one pair of Lightpipe 
(ADAT Optical) connectors (switchable to 2 
channels, S/PDIF)
• External Clock In and Out receive or send 
1x Word clock
A DigiLink to DigiLink Mini adapter cable 
is required to connect 192 Digital I/O to the 
Pro Tools|HD Native card.
For more information, see the 192 Digital 
I/O Guide.
A DigiLink to DigiLink Mini adapter cable 
is required to connect 96 I/O to the 
Pro Tools|HD Native card.
For more information, see the 96 I/O Guide.










