Serial Cable » History » Revision 4
Revision 3 (Anonymous, 02/19/2016 10:48 PM) → Revision 4/31 (Anonymous, 02/19/2016 10:48 PM)
The Calypso phones typically all have a RS232 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.dealextreme.com/details.dx/sku.14664 dealextreme.com] RS232, not USB variant 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
