Hardware pinouts information and cables schemes

Professional audio / entertainment devices 3 pin XLR connector pinout

audio or video connector or cable

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The XLR connectors are used mostly in professional audio and video electronics cabling applications. Home audio and video electronics normally use RCA connectors. There is no common pinout - it´s depends on application.

3 pin XLR female connector layout

3 pin XLR female connector



Balanced Audio (3 pole XLR):
Pin Signal Description
1Ground / Screen  
2In phase / +ve / Hot  
3Out of phase / -ve / Cold  


Unbalanced Audio (3 pole XLR):
Pin Signal Description
1Ground / Screen  
2Signal  
3Ground / Screen (connect to pin 1)  


ApplicationPin 1Pin 2Pin 3Notes
D54 Screen No
connection 		Signal (analogue multiplex)Strand analog multiplex - 384 channels
Sometimes uses an XLR4 connector for compatibility with AMX192
DMX512 (DMX) Screen Data - Data + Digital multiplex - 512 channels
Standard connector is the XLR5
TecPro
Backbone 		Earth/
Screen 		Power
+24VDC 		Audio
Audio Signal
(European) 		Screen Signal +
(Hot) 		Signal -
(Cold)
Jem
TechnoHaze 		Black Yellow White Remote from above (cable rear)
Canford Talkback backbone earth/screen +24V DC audio  
High End Systems intelligent fixtures control ground data - data +  
Martin intelligent fixtures control (old) screen data + data - this is not the same as 3-pin DMX!
Martin intelligent fixtures control (new) screen data - data + Martin have now changed to be pin compatible with 3-pin DMX
Microphones (Europe standard) screen signal + signal -  
Microplex common +15 VDC data  


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3 pin XLR male connector diagram

3 pin XLR male connector

Pinouts.ru > Audio / Video hardware connectors pinouts listing >  Pinout of Professional audio / entertainment devices 3 pin XLR connector and layout of 3 pin XLR female connector and 3 pin XLR male connector
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Source(s) of this and additional information: www.enlightenment.co.uk, business.virgin.net/tom.baldwin/ 2 reports
Last updated at Tue Jun 13 2006. Submit additions or corrections for this document. Is this document correct or incorrect? What is your opinion?
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