ProFire 2626
Sample Rate
This menu selects the sample rate of the interface when operating in Standalone Mode.
Optical Port B Mode
This parameter determines how the second pair of optical ports will operate when the interface is in Standalone mode.
ADAT:
Selecting “ADAT” will allow you to send and receive four channels of audio at 88.2/96 kHz (per ADAT port; S/MUX II) or two channels at 176.4/192 kHz (per ADAT port; S/MUX IV). In Standalone Mode, Optical Port B can only be set to ADAT when the interface is operating at sample rates of 88.2 to 192 kHz.*
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NOTE: This parameter only displays sample rates (i.e., “44.1 kHz”, “48 kHz”, etc.) when the Standalone Mode Sync Source is set to “Internal.” If you are clocking the interface to an external S/ PDIF or Word Clock device, this parameter displays “Auto” and the interface automatically locks to
the sample rate of the master device. If you are clocking to an ADAT device, this menu provides the same options found under the S/MUX Mode parameter while in hosted mode (“Auto,” “S/MUX II (88.2 to 96 kHz),” and “S/MUX IV (176.4 to 192 kHz).” See the S/MUX Mode description earlier in this section to learn more about these settings.
S/PDIF:
Selecting “S/PDIF” allows the second optical input and output ports to convert optical S/PDIF signals into coaxial S/PDIF signals while simultaneously converting coaxial S/PDIF to optical S/PDIF.
*Since ProFire 2626 has a maximum of eight analog inputs and outputs, optical port B is not necessary for A/D or D/A conversions at 44.1/48 kHz. Optical port B can be used for A/D, D/A operation at sample rates above 48 kHz.
Note: The coaxial and optical S/PDIF ports support a maximum sample rate of 96 kHz when operating in Standalone mode. This is because optical S/ PDIF has a maximum sample rate limit of 96
kHz. As a result, when ProFire 2626 is operating at sample rates above 96 kHz, this parameter automatically defaults to ADAT mode.
