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MK1:
16 channels input and 32 channels output
MK1.5/MK2/MK3:
32 channels input & output
It means that 32 AoIP audio devices can be connected to the ISP and the same number of sources can be received for MK2&MK3 (16 for MK1).
The option is able to manage both input and output streams at the same time.
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