| Application | 1 | 2 | 3 | 4 | 5 | Notes |
|---|---|---|---|---|---|---|
| Audio (tape) | left input | screen | left output | right input | right output | |
| Audio (amp) | left output | screen | left input | right output | right input | |
| Audio (source) | left output | screen | left output | right output | right output | |
| CCT Regal | +24V DC | -24V DC | ground | control | not used | see 6 pin DIN for the new format |
| ETC IR remote focusing unit | ground | PPM data | +12VDC | WSI data | charge | |
| Furse Delta FMX | +24V DC | -24V DC | ground | control | not used | |
| MIDI | not used | screen | not used | data | data | pin 2 not connected on MIDI in |
| NSI 4ch analogue | channel 4 | common | channel 1 | channel 3 | channel 2 | |
| PC AT keyboard | clock | data | no connection (reset on old keyboards) |
gnd | +5V | |
| Pulsar control | +ve supply | ground | ch 1 | ch 2 | ch 3 | |
| Strand GSX / LBX audio in | no connection | ground | left input | no connection | right input | |
| Teatro Versa-Disc | ch 1 | +15V out | ground | free | ground |