The Blackberry Pearl 8100 features GSM 850 / 900 / 1800 / 1900 2G network modes, 1.3 MP, 1280 x 1024 pixels, LED flash built in camera, 32-bit Intel XScale PXA272 312 MHz processor CPU with BlackBerry operating system. Below diagram shows detail schematic diagram for Blackberry Pearl 8100 plug connector and pinout.

imageThe Blackberry Pearl 8100 plug connector is a 4 pin 3.5mm (2.5mm) plug connector at the headset cable. The Pinout assignment is as following: Pin 1 for Control (+2.4v); Pin 2 and 3 for  Audio channel (left or right) and Pin 4 for Ground. Note that ring 1 has a 1.4K ohm loading to Ground. When talk/play/pause function button is pushed it applies a short across ring 1 and 4.

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