Rear Panel - Focusrite Scarlett 18i20 User Manual

Rear Panel

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15. . MIC/LINE INPUTS 3 .to .8 .– .Combo .type .input .sockets .- .connect .further .microphones .or .line .
level .signals .via .XLR .or .¼" .(6.35 .mm) .jacks .as .appropriate. .Either .¼" .TRS .(balanced) .or .TS .
(unbalanced) .jack .plugs .can .be .used .for .line .level .signals.
16. . LINE OUTPUTS 3 . a nd . 1 0 . – . e ight . b alanced . a nalogue . l ine . o utputs . o n . ¼ " . ( 6.35 . m m) . j ack . s ockets; .
use .TRS .jacks .for .a .balanced .connection .or .TS .jacks .for .unbalanced. .The .signals .available .at .
these . o utputs . a re . d efined . i n . F ocusrite . C ontrol, . a nd . c an . t ypically . b e . u sed . f or . d riving . a lternative .
speakers .(i.e., .midfield, .nearfield, .etc.), .the .additional .speakers .in .a .multichannel .monitoring .
system, .or .to .drive .outboard .FX .processors.
17. . MONITOR 1 and 2 .– .two .balanced .analogue .line .outputs .on .¼" .(6.35 .mm) .jack .sockets; .use .
TRS .jacks .for .a .balanced .connection .or .TS .jacks .for .unbalanced. .We .recommend .the .use .of .
balanced .connections .wherever .possible, .to .minimise .grounding .and .hum .problems. .These .
are .also .Line .Outputs .1 .and .2 .of .the .system, .and .will .generally .be .used .for .driving .the .main .
L . and . R . speakers . of . your . monitoring . system. . However, . the . signals . at . the . outputs . may . be .
defined .in .Focusrite .Control.
18. . OPTICAL IN . a nd . O UT – . t wo . T OSLINK . c onnectors, . e ach . c arrying . e ight . c hannels . o f . d igital . a udio .
in .ADAT .format .at .44.1/48 .kHz .sample .rate .or .four .channels .at .88.2/96 .kHz. .These .are .simply .
additional .inputs .11 .to .18 .and .outputs .13 .to .20 .(at .44.1/48 .kHz) .to/from .the .Scarlett .18i20. .
Note .that .the .optical .input .and .output .are .disabled .when .sample .rates .of .176.4/192 .kHz .are .
in .use.
19. . WORD CLOCK OUT .– .a .BNC .connector .carrying .the .Scarlett .18i20's .word .clock; .this .may .be .
used .to .synchronise .other .digital .audio .equipment .forming .part .of .the .recording .system. .The .
source .of .sample .clock .synchronisation .used .by .the .Scarlett .18i20 .is .selected .from .Focusrite .
Control.
. .USB .2.0 .port .– .Type .B .connector; .connect .the .Scarlett .18i20 .to .your .computer .with .the .
20. .
cable .supplied.
21. . MIDI IN . a nd . M IDI OUT . – . s tandard . 5 -pin . D IN . s ockets . f or . c onnection . o f . e xternal . M IDI . e quipment. .
The .Scarlett .18i20 .acts .as .a ."Break-out .(and .Break-in) .Box", .allowing .MIDI .data .to/from .your .
computer .to .be .distributed .to .additional .MIDI .devices.
22. . SPDIF IN .and .OUT .– .two .phono .(RCA) .sockets .carrying .two-channel .digital .audio .signals .into .
or . o ut . o f . t he . S carlett . 1 8i20 . i n . S /PDIF . f ormat. . T hese . a ppear . a s . I nputs . 9 . & . 1 0 . a nd . O utputs . 1 1 . & .
12 .in .Focusrite .Control .(but .note .the .S/PDIF .outputs .are .unavailable .at .176.4/192 .kHz .sample .
rates).
23. . AC .mains .– .standard .IEC .receptacle.
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