| Контакт | Имя контакта | Описание |
| 1 | Vin | Charger input |
| 2 | GND | Charger ground |
| 3 | ACI | Accessory Control Interface (short with pin 2 for handsfree recognition) |
| 4 | V Out / VDD+ | Connected to pin 3 in DKU-2 usb data cable / For Hansfree (ex. HS-23): microchip power supply |
| 5 | USB Vbus | Also act as USB power detection? Should be connected to USB pin 1 in usb data cable. (USB Vcc +5V) |
| 6 | FBus Rx/USB D+ | USB exists only in some models*. Should be connected to USB pin 3 in usb data cable. (USB DATA+) |
| 7 | FBus Tx/USB D- | USB exists only in some models*. Should be connected to USB pin 2 in usb data cable. (USB DATA-) |
| 8 | GND | Data GND (USB GND) |
| 9 | X Mic- | Audio in – Ext. Mic input negativ |
| 10 | X Mic+ | Audio in – Ext. Mic input positiv |
| 11 | HS Ear L- | Audio out – Ext. Audio out – left, negativ |
| 12 | HS Ear L+ | Audio out – Ext. Audio out – left, positiv |
| 13 | HS Ear R- | Audio out – Ext. audio out – right, negativ |
| 14 | HS Ear R+ | Audio out – Ext. audio out – right, positiv. Pins 10-14 may be used for antenna connection. |
| GND | shield GND in cavities |
Разъем для телефонов Nokia 2112, 2115(i), 2116i, 2125i, 2126i, 2128i, 2270, 2272, 2280, 2285, 3100, 3105, 3108, 3120, 3125, 3200, 3205, 3220, 3300, 3570, 3580, 3585(i), 3586(i), 3587(i), 3588i, 3589i, 3220, 5100, 5140, 6011i, 6012, 6015(i), 6016i, 6019i, 6020, 6100, 6101, 6102, 6108, 6200, 6220, 6225, 6233, 6560, 6585(i), 6610, 6610i, 6800, 6810, 6820, 6822, 6200, 7200, 7210, 7250, 7250i, 7260, 7360, 7610, 9300, E50, E60, E61, E61i, E65, E70, N70, N71, N72, N73, N80, N90, N92, N93, N93i