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laforge, 02/19/2016 10:48 PM
add some more serial cable links
The Calypso phones typically all have a serial port @ 3.3V levels on the 2.5mm earphone jack.
Those cables are sometimes called ''T191 unlock cable''.
You can either buy ready-made cables, e.g. at:
- [https://www.akku-king.net/_py_Handyzubehoer-Datenkabel-USB-Motorola-USB-Datenkabel-fuer-Motorola-T191-C113-C113a-C114-C115-C115i-C116-C117-C118-C119-C121-C122-C123-C136-C139-C140-C155-C156/a-20104991/ akku-king.net]
- [http://www.gsmliberty.net/shop/motorola-t191-dataunlock-cable-p-1252.html]
- Some stores also sell a RS232 variant, you still need a separate standard USB/RS232 cable * [http://www.dealextreme.com/details.dx/sku.14664 dealextreme.com] RS232, not USB variant * [http://www.handy-style.de/index/cat190/2130] * [http://www.cellcorner.com/xshp/unlock-phone-codes/motorola-t190-t191-t193-unlock-data-cable.html]
Or you can build it yourself (detailed instructions can be found on the net, search for "t191 unlock cable" or the like).
- TxD is at the tip of the plug (PC to Device)
- RxD is at the middle contact (Device to PC)
- GND is the outer contact
Updated by laforge about 8 years ago · 6 revisions