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Technical Reference  Navigation:   HOME | technical reference overview > electrical/data > connector wiring index > XLR4 XLR4 Connector Details   XLR4 Connector Details Application Pin 1 Pin 2 Pin 3 Pin 4 Notes AMX192 Screen Clock + Analogue Data Clock - USITT analog multiplex 384 channels Rack-Split DMX-Split Screen/ Ground Data - Data + Power +15VDC Pin1 is connected to both data cable screen & power 0V D54 Screen No Connection Analogue Data No Connection Usually uses the XLR3 connector: the XLR4 is used for compatability with AMX192 384 Channels DHA Moving Effects Channel 1 Channel 1 Channel 2 Channel 2 Refer also to DHA cable Y-splitter Scroller (Generic) 0V DC Data - Data + Power +24/48VDC Shell connected to ground Scroller (Wybron) Power +24VDC Data - Data + Ground   SkyHigh FX Pyro cables Channel 1 (Brown) Channel 2 (Blue) Not Used (See notes) Common (Green/Yellow) Minimum 1mm² cores. Some units carry power on pin 3 Strand Colour Call Scroller DMX OV DMX + DMX - OV Power Screen: +V power Later versions use an XLR5 TecPro 1ch Headset Mic Screen Mic Signal Headphone Screen Headphone Signal   See also Go back XLR3 XLR5 XLR6 XLR7 Connector Wiring index techref.info website © Copyright 2006-2012 Please read the Conditions of Use of this website. Need help? Go to Helpdesk