Apple iPhone 1st Gen pinouts
The connector/pinout information may be applied to the Apple model iPhone 1st Gen
Apple iPod, iPhone (2g, 3g), iPad Dock connector pinout Used in 3rd and later generation iPods for charging, connecting to a PC via USB or Firewire, to a stereo via line-out, to a serial device (controlled via the Apple Accessory Protocol). This connector exists in most Apple iPod MP3 players (iPod 3G, 4G, 5G Video, 5.5G Video, Nano (1G, 2G, 3G, 4G), Mini, Classic, Touch, Touch 2G, and iPhone (1G, 3G, 3GS, 4 and 4S))
Apple iPhone (1G, 3G, 3GS, 4, 4S) Dock cable connector pinout Used in iPhone (1G, 3G and 3GS) mobile phones for charging, connecting to a PC via USB or Firewire, to a stereo via line-out, to a serial device (controlled via the Apple Accessory Protocol).
iPod Nano (4th, 5th Gen), iPhone (1st, 2nd, 3rd, 4th Gen), iPod Shuffle (3rd Gen), Cell Phone Connection pinout iPhone headphone (handsfree)
Universal Apple-compatible CTIA Headset/Earphone 3.5mm Jack (LRGM) pinout for Samsung, HTC Hero, Blackberry and other cell phones with 3.5mm, 4 connection (4 "pin"), headset jack.