Infrared Remote Focus Unit (IRFU) Pinout
This pinout applies to the InfraRed Remote Focus Unit, which was a very limited release product for early Expression line consoles. This does not apply to the radio remote focus unit or anything else that connected via network or standard RFU wiring.
DIN 3 (Console)
| Pin | Signal |
|---|---|
| 1 | Ground |
| 2 | PPM Data |
| 3 | +12Vdc |
DIN 5 (Receiver)
| Pin | Signal |
|---|---|
| 1 | Ground |
| 2 | PPM Data |
| 3 | +12Vdc |
| 4 |
WSI Data from Transmitter |
| 5 | Trickle Charge Out |