Nokia N60, N70, N90, N91, N93, E70, E61, E62, E60, E50, 3155i, 3230, 3300, 6155, 6170, 6230, 6230i, 6235, 6236i, 6255, 6256i, 6260, 6620, 6630, 6650, 6651, 6670, 6680, 6681, 7270, 7600, 7610, 7700, 7710, 9300, 9500 pop-port DKU-2 (CA-53?) usb cable schematic pinout

14 pin Nokia pop-port cell phone proprietary connector layout
14 pin Nokia pop-port cell phone proprietary connector at the mobile phone

4 pin USB A or USB B plug connector layout
4 pin USB A or USB B plug connector

used for direct Nokia to PC USB connection of phones with such feature enabled.

Pin Signal Description
2 Enhancement Detection  
3 Short with pin 4  
5 Vcc +5V PC USB pin 1
6 USB DATA+ PC USB pin 3
7 USB DATA- PC USB pin 2
8 GND PC USB pin 4


You may connect USB Vcc +5V wire to Vbat of phone battery
connector and USB GND via 7.5K resistor to BSI pin of phone battery
connector. In this case cable may be used for unlocking using
BB5_uid,using Bb5 Easy tool by DSS, reading ask, unlock security codes
of BB5 phones.