Focusrite Scarlett 18i20 User Manual page 30

At 176 .4 kHz and 192 kHz sample rates:
INPUTS
COAXIAL
S/PDIF
Input 1 Input 1
Input 2 Input 2
Input 3 Input 3
Input 4 Input 4
Input 5 Input 5
Input 6 Input 6
Input 7 Input 7
Input 8 Input 8
S/PDIF 1
Digital In 1 (via co-ax
socket)
S/PDIF 2
Digital In 2 (via co-ax
socket)
30
DIGITAL I/O MODE
OPTICAL DUAL
S/PDIF ADAT
Input 1 Input 1
Input 2 Input 2
Input 3 Input 3
Input 4 Input 4
Input 5 Input 5
Input 6 Input 6
Input 7 Input 7
Input 8 Input 8
x x
x x
OUTPUTS
COAXIAL
S/PDIF
Output 1 Output 1
Output 2 Output 2
Output 3 Output 3
Output 4 Output 4
Output 5 Output 5
Output 6 Output 6
Output 7 Output 7
Output 8 Output 8
Output 9 Output 9
Output 10 Output 10
Output 11 x
Output 12 x
Output 13 x
Output 14 x
Output 15 x
Output 16 x
Output 17 x
Output 18 x
Output 19 x
Output 20 x
DIGITAL I/O MODE
OPTICAL
DUAL ADAT
S/PDIF
Output 1 Output 1
Output 2 Output 2
Output 3 Output 3
Output 4 Output 4
Output 5 Output 5
Output 6 Output 6
Output 7 Output 7
Output 8 Output 8
Output 9 Output 9
Output 10 Output 10
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x