Manual

Table Of Contents
215 PRO X User Manual
DL451 I/O Box
Analogue inputs
Connector 3-pin XLR balanced
A/D converter 24-bit, 96k and 128 times over sampling
Analogue outputs
Connector 3-pin XLR balanced
D/A converter 24-bit, 96 k and 128 times over sampling
Digital inputs
Connector AES3 (two channels of digital audio) on 3-pin XLR
Sample rates Accepts any frequency between 32 k to 96 k
Bypass Sample rate converter can be bypassed
Digital outputs
Connector AES3 (two channels of digital audio) on 3-pin XLR
Sample rates 48 k, 96 k or auto tracking to inputs
Bypass Sample rate converter can be bypassed
Word length 16-, 20- or 24-bit
MIDI and GPIO
MIDI connector In, out and through on 5-pin DIN
GPIO IN connector 25-pin D-type (opto isolated)
GPIO OUT connector 25-pin D-type (opto isolated)
Digital system inputs and outputs
System connector AES50 (24 channels of bi-directional digital audio) on Ethercon XLR
Duplicate connector
AES50 (24 channels of bi-directional digital audio) on Ethercon XLR providing dual
redundant back up of channels
DL431 Splitter (option)
Analogue inputs
Connector 3-pin XLR balanced
Phantom power 48-volt with local switch and remote control from PRO Series Control Centre
Gain control A
-2.5 dB to +45 dB analogue gain in 2.5 dB steps with local and remote control; plus a
further ±20 dB of high resolution interpolated DSP trim
Gain control B Independent second channel identical to Gain control A (above)
Filter A
30 Hz high pass with local defeat switch and remote control from
PRO Series Control Centre
Filter B Independent second channel identical to Filter A (above)
Meter (quantity 24) 7-segment -18 dBu to +24 dBu
Meter A/B Meters can be switched to monitor A or B pre-ampliers
A/D converter A 24-bit, 96 k and 128 times over sampling
A/D converter B Independent second channel identical to A/D converter A (above)
Analogue outputs
Connector A 3-pin XLR balanced
Connector B Independent second channel identical to Connector A (above)
Connector C
Independent third channel on front mounted 3-pin XLR, balanced and transformer
isolated (with xed gain of -6 dB)
Headphone connector ¼" Jack
Audio monitor 3-pin XLR balanced
Digital (system) outputs
System connector A AES50 (24 channels of digital audio) on Ethercon XLR
System connector B Independent second channel identical to System connector A (above)
Duplicate connector A
AES50 (24 channels of digital audio) on Ethercon XLR providing dual redundant back
up of A channels
Duplicate connector B
AES50 (24 channels of digital audio) on Ethercon XLR providing dual redundant back
up of B channels