Apple iPod and iPhone (2g, 3g) Dock InterfacesUsed 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 and 3GS))
Apple iPod jackThe 3rd generation iPod introduced a new headphone and remote connector, which carries audio data and remote control data to the iPod. The remote control data is sent via a serial Apple Accessory Protocol.
Portable devices with standard mini-usb interfacesome digital cameras, mp3 players and other devices are using standard mini-usb interface connector for a computer interface. In this case any standard mini-USB cable should work with them.
BellSouth 2232 FRS/GRMS RadioRemote/headset connector for a "business band" 2 way radio. This is a fairly obscure device that may also have been sold as the 2231 for some time.