4 pin XLR
viewed from wiring side
| Application | 1 | 2 | 3 | 4 | Notes |
|---|---|---|---|---|---|
| AMX 192 | screen (analogue 0V) | clock + | analogue multiplex | clock - | |
| Canford Talkback 1cct headset | Mic earth/scr | Mic signal | Earphones earth/scr | Earphones signal | |
| Clearcom talkback headset | Mic earth/scr | Mic signal | Earphones earth/scr | Earphones signal | |
| Diversitronics (analogue) superstrobes | signal | ground | supply (+ve) | not used | |
| Pancan (Memory System) data | |||||
| Pyro Pack Control | channel 1 | channel 2 | channel 3 | common | |
| Rosco gobo rotator | Forward A | Reverse A | Forward B | Reverse B | |
| Scroller (generic) | ground | -ve data | +ve data | +24VDC or +48VDC power | NOT Wybron! |
| Wybron Scroller | +24v DC | -ve data | +ve data | ground | non standard! |