| Pin Number |
Pin Name |
Description |
|---|---|---|
| 1 | AGND | Analog Ground |
| 2 | Left Out | Left channel |
| 3 | Left Ret | Audio backpanel mute (Return) |
| 4 | Right Out | Right channel |
| 5 | Right Ret | Audio backpanel mute (Return) |
| 6 | Mic In | |
| 7 | Key pin | Not used |
| 8 | Mic VREF out | 2.5V |
| 9 | Mic in mute | Not used |
| 10 | Audio cable detect | Not used |
Return pins will mute the back panel when shorted to ground, which is opposite of most modern front panel connectors.
This connector expects a Normally Open plug detection which closes to ground when a jack is inserted.
Most modern front panels expect 5V on Mic VREF, not 2.5V.
correct
incorrect