Focusrite Scarlett 18i20 User Manual page 27

Mode 3: Dual ADAT
Select this mode when you need more than four ADAT input and/or output channels when working
at 88.2/96 kHz sample rate.
Digital port
Inputs
Outputs
27
S/PDIF IN
OPTICAL IN 1
OPTICAL IN 2
S/PDIF OUT
OPTICAL OUT 1
OPTICAL OUT 2
44 .1/48
x
ADAT 1-8
x
S/PDIF
ADAT 1-8
ADAT 1-8
Sample rate (kHz)
88 .2/96
x
ADAT 1-4
ADAT 5-8
S/PDIF
ADAT 1-4
ADAT 5-8
176 .4/192
x
x
x
S/PDIF
x
x