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Netmux audio wiring: Difference between revisions

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Netmux audio wiring (view source)

Revision as of 15:20, 11 July 2013

1,704 bytes removed ,  11 July 2013
Merged with Net Mux
mNo edit summary
(Merged with Net Mux)
 
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{{Outofdate}}
#REDIRECT [[Net Mux]]
This page aims to track the wiring of various cables within the breakout.
 
=== Mux Connection Leads ===
 
These are all made up using 8-core screened lead. The screen is connected to ground in all the leads, and carries no signal because all the audio is balanced. There will be a total of two Group 1 cables, two group 2 cables and two output cables needed, one of each for the top (Net) and bottom (Stream) audio muxes. The two right-hand side connectors (seen from the back of the mux) are unused because the system is mono.
 
=== Input Group 1 ===
 
{|border="1"
|-
!Mux Channel
!Source
!Pin
!Colour
|-
!1
!Sound Desk +
!13
!Brown
|-
!1
!Sound Desk -
!12
!Yellow
|-
!2
!??? +
!24
!Black
|-
!2
!??? -
!23
!White
|-
!3
!OB Input +
!10
!Purple
|-
!3
!OB Input -
!9
!Green
|-
!4
!??? +
!21
!Red
|-
!4
!??? -
!20
!Blue
|}
For some reason I can't remember what channels 2 and 4 were for, and why it's those numbers which are blank.
 
 
=== Input Group 2 ===
 
{|border="1"
|-
!Mux Channel
!Source
!Pin
!Colour
|-
!12
!Digital +
!21
!Yellow
|-
!12
!Digital -
!20
!Brown
|-
!13
!Analogue +
!7
!Green
|-
!13
!Analogue -
!6
!Purple
|-
!14
!Vidserv +
!18
!White
|-
!14
!Vidserv -
!17
!Black
|-
!15
!Inform +
!4
!Red
|-
!15
!Inform -
!3
!Blue
|-
!16
!Silence +
!15
!Wire link
|-
!16
!Silence -
!14
!Wire link
|}
Channel 16 is associated with clock and puts silence on air. It has a wire link across the pins inside the D connector and no connection to the outside world.
 
 
=== Output Cable ===
 
{|border="1"
|-
!Mux Output
!
!Pin
!Colour
|-
!1
!+
!4
!Purple
|-
!1
!-
!3
!Green
|-
!2
!+
!15
!Red
|-
!2
!-
!14
!Blue
|}
Outputs 1 and 2 are the same signal from independent line drivers in the NetMux unit.
[[Category:Technical]]
Robert.walker
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