Technical Specification
B.3.7 Digital Audio Input
The digital audio input of the VCM accepts four stereo pairs of AES/EBU digital
audio. The available encoding options depend upon the licenses enabled.
The SDI/HD-SDI input of the VCM can be used for audio input, where eight stereo
pairs can be extracted from four groups of embedded audio. The DID associated
with each group is set when the unit leaves the factory.
Table B.9 DID Associated With Each Group
Group HD-SDI SD-SDI
GROUP 1 0x2E7 0x2FF
GROUP 2 0x1E6 0x1FD
GROUP 3 0x1E5 0x1FB
GROUP 4 0x2E4 0x2F9
Table B.10 Audio Digital Input Specification
Item Specification
Safety Status SELV
Connector Designation AUDIO/DATA
Connector Type 15-way D-Type male connector
AES3 AES-3id
Interface Balanced Unbalanced
Connector XLR-3 BNC
Impedance 110 Ω 75 Ω
Input Level 2 V -7 V peak-to-peak 1 V peak-to-peak
Max Input 7 V peak-to-peak 1.2 V peak-to-peak
Max current 64 mA 1.6 mA
Min Input 0.2 V 0.32 V
Cable Shielded Twisted Pair Coax
Table B.11 Audio Digital Reference Tone Out Specification
Item Specification
Standard AES/EBU digital
Termination 75 Ω
Sampling rate 48 kHz
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