Cordless Phone Headset Jack Connections
 

G'Day, can anyone identify the correct connections for this three wire
jack (Example: Is the jack tip for microphone or speaker positive)? TIA

Cordless Phone Headset Jack Connections
 

In article
,
Ryton wrote:

G'Day, can anyone identify the correct connections for this three wire
jack (Example: Is the jack tip for microphone or speaker positive)? TIA

A lot of those provide a source of DC voltage on the "mic" pin,
expecting to power a FET-amplified condenser microphone. Measuring with
a voltmeter could give you a couple of hints.

Isaac

Cordless Phone Headset Jack Connections
 

On Dec 30 2008, 4:35*pm, Ryton wrote:
G'Day, can anyone identify the correct connections for this three wire
jack (Example: Is the jack tip for microphone or speaker positive)? TIA

Thanks Guys, tip was mic positive!