X75HD/X75SD Installation and Operation Manual 219
Appendix A: Cables and Pinouts
Table A-10 describes each pin on the X75OPTCAB-XLR DB-44M
connector and its connection type.
Table A-10. X75OPTCAB-XLR Pinout Description
Pin Number Connection Type Description
1 XLR-2 Balanced AES5 out (+)
2 XLR-3 Balanced AES5 out (-)
3NC N/A
4 XLR-2 Balanced AES4 out (+)
5NC N/A
6 XLR-2 Balanced AES3 out (+)
7 XLR-3 Balanced AES3 out (-)
8NC N/A
9 XLR-2 Balanced
AES5 in (+)
10 XLR-3 Balanced
AES5 in (-)
11 NC N/A
12 XLR-2 Balanced
AES4 in (+)
13 NC N/A
14 XLR-2 Balanced
AES3 in (+)
15 XLR-3 Balanced
AES3 in (-)
16 NC N/A
17 XLR-1-Gnd Balanced AES5 out ground
18 NC N/A
19 XLR-1-Gnd Balanced AES4 out ground
20 XLR-3 Balanced AES4 out (-)
21 NC N/A
22 XLR-1-Gnd Balanced AES3 out ground
23 NC N/A
24 NC N/A
25 XLR-1-Gnd Balanced AES5 in ground
26 NC N/A
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