Pinouts of Connectors

Universal cable for mobile phones - GSM unlock box pinout

layout
schematic diagram
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Complex GSM box, including MBUS support. Should work with Ericsson, Siemens, Panasonic, Sagem, Sony, Alcatel, Motorola, Nokia, Bosch.

9 pin D-SUB FEMALE connector pin-out & layout
9 pin D-SUB FEMALE connector  to the computer
universal mobile cellular cable or data-cable

This scheme is some kind of RS-232 Converter.

Almost all digital devices we use require TTL or CMOS logic levels. That"s why the first step when trying to connect the device to RS-232 port is transformation of RS-232 levels ack into 0 and 5 Volts. This is done by RS-232 Level Converters, like a Max 232.

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UNKNOWN connector  to the cellular phone
Pinouts.ru > Pinouts and schemes of cellular phones cables >  Pinout of Universal cable for mobile phones - GSM unlock box and layout of 9 pin D-SUB FEMALE connector

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