3 pin stereo plug connector at the cable
This page documents the 3-pin stereo plug connector used by third-party headsets with the Maxon SL100 and SP200 mobile phones. The pin assignment is specific to these handsets and the layout described applies to the cable end of the connector. Only the pins utilised by the headset cable are listed below.
| Name | Pin | Description |
|---|---|---|
| 1 | PTT/Mic | To enable PTT connect this pin via a 2K7 resistor to Ground |
| 2 | Speaker | |
| 3 | Ground |
Notes
Pin numbers refer to the connector on the cable; pins not listed are unused by the headset.