Focusrite Scarlett 18i20, User Manual

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The tables below list the how the 18i20’s inputs and outputs appear in Focusrite Control for each of
the three Optical I/O modes, at each of the three sample rate pairs. Note that the first digit in the
entries relating to the ADAT channels refers to the port in use: so “ADAT 1.1” to “ADAT 1.4” are ADAT
Chs 1 to 4 at the right-hand port of each pair, while “ADAT 2.1” to “ADAT 2.4” are ADAT Chs 5 to 8 at
the left-hand port of each pair.
At 44 .1 kHz and 48 kHz sample rates:
INPUTS
DIGITAL I/O MODE
COAXIAL
S/PDIF
OPTICAL
S/PDIF
DUAL
ADAT
Input 1 Input 1 Input 1 Input 1
Input 2 Input 2 Input 2 Input 2
Input 3 Input 3 Input 3 Input 3
Input 4 Input 4 Input 4 Input 4
Input 5 Input 5 Input 5 Input 5
Input 6 Input 6 Input 6 Input 6
Input 7 Input 7 Input 7 Input 7
Input 8 Input 8 Input 8 Input 8
Loopback 1 Loopback 1 Loopback 1 Loopback 1
Loopback 2 Loopback 2 Loopback 2 Loopback 2
Digital In 1
S/PDIF 1
(via co-ax
socket)
S/PDIF 1
(via optical
port)
x
Digital In 2
S/PDIF 2
(via co-ax
socket)
S/PDIF 2
(via optical
port)
x
Digital In 3 ADAT 1.1 ADAT 1.1 ADAT 1.1
Digital In 4 ADAT 1.2 ADAT 1.2 ADAT 1.2
Digital In 5 ADAT 1.3 ADAT 1.3 ADAT 1.3
Digital In 6 ADAT 1.4 ADAT 1.4 ADAT 1.4
Digital In 7 ADAT 1.5 ADAT 1.5 ADAT 1.5
Digital In 8 ADAT 1.6 ADAT 1.6 ADAT 1.6
Digital In 9 ADAT 1.7 ADAT 1.7 ADAT 1.7
Digital In 10 ADAT 1.8 ADAT 1.8 ADAT 1.8
OUTPUTS
DIGITAL I/O MODE
COAXIAL
S/PDIF
OPTICAL
S/PDIF
DUAL
ADAT
Output 1 Output 1 Output 1 Output 1
Output 2 Output 2 Output 2 Output 2
Output 3 Output 3 Output 3 Output 3
Output 4 Output 4 Output 4 Output 4
Output 5 Output 5 Output 5 Output 5
Output 6 Output 6 Output 6 Output 6
Output 7 Output 7 Output 7 Output 7
Output 8 Output 8 Output 8 Output 8
Output 9 Output 9 Output 9 Output 9
Output 10 Output 10 Output 10 Output 10
Output 11
S/PDIF 1
(via co-ax
socket)
S/PDIF 1 (via
co-ax socket and
optical port)
S/PDIF 1
(via co-ax
socket)
Output 12
S/PDIF 2
(via co-ax
socket)
S/PDIF 2 (via
coaxial socket
and optical port)
S/PDIF 2
(via co-ax
socket)
Output 13 ADAT 1.1 ADAT 1.1 ADAT 1.1
Output 14 ADAT 1.2 ADAT 1.2 ADAT 1.2
Output 15 ADAT 1.3 ADAT 1.3 ADAT 1.3
Output 16 ADAT 1.4 ADAT 1.4 ADAT 1.4
Output 17 ADAT 1.5 ADAT 1.5 ADAT 1.5
Output 18 ADAT 1.6 ADAT 1.6 ADAT 1.6
Output 19 ADAT 1.7 ADAT 1.7 ADAT 1.7
Output 20 ADAT 1.8 ADAT 1.8 ADAT 1.8