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External input daughtercard for DDX320 v2

External input daughtercard for DDX320 v2

Thanks again for answering my question about the rotary encoder. Another quick question:



The DDX320 v2 supports two additional optical and two additional coax inputs. Do you offer a daughtercard for this? If not, is there any documentation for where to attach these additional inputs, and/or a schematic for how they should be connected?
Failing a daughtercard, can I just duplicate the circuitry from, say, U1 (OPT IN2) in the schematic, attaching the output from the 22 ohm resistor in each duplicate to CN1 pins 2-5? Is there a problem with supporting four external TOSLINK interfaces rather than two TOSLINK and two CMOS?
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