serial cable analog (original DKU-5 is an USB cable with complicated schematic). The Nokia CA-80 USB Data Cable features additional charging connector. For Nokia 2112, 2115, 2270, 2272, 2280, 2285, 3100, 3105, 3108, 3120, 3125, 3200, 3205, 3220, 3585, 3586, 3587, 3588, 3589i, 5100, 5140, 6011i, 6012, 6015, 6015i, 6016i, 6019i, 6020, 7210, 7360.

Serial. Not tested
Nokia DKU-5 cable

Rx is at Nokia pop-port pin 6
Tx is at Nokia pop-port pin 7
GND is at Nokia pop-port pin 8

Not tested

check for usb port converter drivers

Original DKU-5 cable is the older design with serial port emulation and there is a speed limit at 115200bps. The cable connectors are in Black color and the USB side is about 7cm in length, which is longer than DKU-2 or CA-53. The current version of Nokia PC Suite NO LONGER supports DKU-5.

Original CA-42 cable is the replacement of the DKU-5 for most newer compatible cell phones. It eliminates the software emulation but doing the Pop-port to USB conversion right at chip inside the cable. It behaves more like a true plug-n-play. Speed limitation is 230400bps. The cable connectors are in Blue color and the USB side is about 7cm in length, which is longer than DKU-2 or CA-53.

Both cables are not for charging - data connection only.


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9 pin D-SUB female connector layout
9 pin D-SUB female connector
at the computer's cable