O2 Xda, Qtek 1010, 1020, Siemens SX56, T-Mobile MDA, Dopod 686 (all Wallaby) headphone / headset / handsfree pinout

PDA connectors and cables

4 pin 3.5mm (2.5mm) plug connector layout

4 pin 3.5mm (2.5mm) plug connector
at the headset cable

Wallaby (O2 Xda, Qtek 1010, 1020, Siemens SX56, T-Mobile MDA, Dopod 686) headphones:

Pin	Signal	Description
1 (Tip)	Left ear	White
2 (Ring 1)	Right ear	Red
3 (Ring 2)	Mic/switch	Blue. Short this pin to GND to pick up the phone
4 (Sleeve)	Ground	Copper

Headphones for Blue Angel (O2 Xda IIs, O2 Xda III, Dopod 700, I-mate PDA2k, T-Mobile MDA III, Orange SPV M2000, Qtek 9090, Siemens SX66.

Pin	Signal	Description
3 (Ring 2)	Left ear
2 (Ring 1)	Right ear
4 (Sleeve)	Ground

Pinouts.ru > PDA, HandHeld computers ports pinouts > Pinout of O2 Xda, Qtek 1010, 1020, Siemens SX56, T-Mobile MDA, Dopod 686 (all Wallaby) headphone / headset / handsfree and layout of 4 pin 3.5mm (2.5mm) plug connector	Document status:	correct
Source(s) of this and additional information: wiki.xda-developers.com	3 reports
Last updated at Sat Apr 7 2007. Submit additions or corrections for this document.	Is this document correct or incorrect? What is your opinion?

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