Enable-IT 8424 User's Guide download pdf (Page 11)

Rear Panel

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1. MIC/LINE INPUTS 3 to 8 - Neutrik Combo® 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.

2. LINE OUTPUTS 3 to 10 – eight balanced analogue line outputs on ¼” (6.35 mm) jack sockets;

use TRS jacks for a balanced connection or TS jacks for unbalanced. The signals available

at these outputs are deﬁned in Scarlett MixControl, and can typically be used for driving

alternative speakers (i.e., midﬁeld, nearﬁeld, etc.), the additional speakers in a multichannel

monitoring system, or to drive outboard FX processors.

3. 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. 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 Scarlett MixControl.

4. OPTICAL IN and OUT – two TOSLINK connectors, each carrying eight channels of digital audio

in ADAT format at 44.1/48 kHz sample rate or four channels at 88.2/96 kHz. These are simply

additional inputs and outputs (respectively) to/from the Scarlett 18i20.

5. 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 in Scarlett

MixControl.

6. USB 2.0 port – Type B connector; connect the Scarlett 18i20 to your computer with the cable

supplied.

7. MIDI IN and MIDI OUT – standard 5-pin DIN sockets for connection of external MIDI equipment.

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.

8. SPDIF IN and OUT – two phono (RCA) sockets carrying two-channel digital audio signals in

or out of the Scarlett 18i20 in S/PDIF format. Like all the other inputs and outputs, signals at

these connectors may be routed in Scarlett MixControl.

9. AC mains – standard IEC receptacle.

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Enable-IT 8424 User's Guide Page 11