NK Series User Guide (1.0) Appendix B: Analog Audio Router I/O Levels • 7–1
Appendix B: Analog Audio
Router I/O Levels
Overview
All NK Series Analog Audio Routers have selectable input and output level control for either +4 or -10 dB audio
streams. By default, both input and output levels are set to +4 dB before routers are shipped, unless requested when
ordering. Users may change the I/O gain by removing the soldered link on the input or output boards.
Each input or outboard board allows access to 8 channels and level for each audio channel must be set individually.
This allows users to have a selection of both +4 dB and -10 dB audio streams connected to each I/O board.
NK-A16 and NK-A32 gain control diagrams have been labelled with I/O connections labelled 1-8; for inputs or
outputs above 8, refer to Table 7.1.
NK-A16 and NK-A32 Routers (Input)
Table 7.1 Relative Connections for Inputs or Outputs Above 8
Labelled I/O # Relative I/O # Relative I/O # Relative I/O # Relative I/O #
1 1 9 17 25
2 2 10 18 26
3 3 11 19 27
4 4 12 20 28
5 5 13 21 29
6 6 14 22 30
7 7 15 23 31
8 8 16 24 32
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