Changes between Version 3 and Version 4 of communication_cable


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Timestamp:
Feb 24, 2014, 9:49:40 PM (11 years ago)
Author:
smoser
Comment:

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  • communication_cable

    v3 v4  
    44= Communication Cable =
    55
    6 The Communicatin Cable is used with the [http://www.abelectronics.co.uk/products/3/Raspberry-Pi/29/Serial-Pi-RS232-Interface RS232-Adapter] that can be mounted piggypack on the Raspberry.
     6The Communicatin Cable is used with the [http://www.abelectronics.co.uk/products/3/Raspberry-Pi/29/Serial-Pi-RS232-Interface RS232-Adapter] that is mounted on the Raspberrys GPIO.
    77
    8 === Get the components ===
    9    - Alternatively, use the Raspberry's GPIO and a RS232-Adapter (e.g [http://www.abelectronics.co.uk/products/3/Raspberry-Pi/29/Serial-Pi-RS232-Interface this one]).
    10     - use a micro usb plug, cut the cable to fit the length, remove the cable coating 3 cm before the open end. Since this cable serves just for power supply, we just use the red (+5V) and the black (GND) cable, cut the remaining two other away
    11     - cut 3 cables to length, red (12V), black (GND) and a third color (5V)
    12     - cut the RJ45 cable to length, remove the cable coating 3 cm before the open end, cut away the cables for RJ45-Pin's 2,3
    13     - connect RJ45-Pin5 (usually blue) with Pin 2 of a Female Sub-D plug
    14     - connect RJ45-Pin6 (usually white-green) with Pin3 of a Female Sub-D plug
    15     - connect RJ45-Pin8 with Pin5 of a Female Sub-D plug
    16     - solder RJ45-Pin's 4,7 with the black cable of the micro USB plug and the other black cable (GND)
    17     - solder RJ45-Pin1 with the red cable (12V)
    18     - solder the third coloured cable (5V) with the red cable from the micro usb plug
     8  - cut the micro USB cable to fit the length, remove the cable coating 3 cm before the open end. Since this cable serves just for power supply, we just use the red (+5V) and the black (GND) cable, cut the remaining two other away
     9  - cut 3 cables to length, red (12V), black (GND) and yellow (5V)
     10  - cut the RJ45 cable to length, remove the cable coating 3 cm before the open end, cut away the cables for RJ45-Pin's 2,3
     11  - connect RJ45-Pin5 (usually blue) with Pin 2 of the Female Sub-D plug
     12  - connect RJ45-Pin6 (usually white-green) with Pin3 of the Female Sub-D plug
     13  - connect RJ45-Pin8 with Pin5 of the Female Sub-D plug
     14  - solder RJ45-Pin's 4,7 with the black cable of the micro USB plug and the other black cable (GND), use               shrinkable tubing for electrical isolation
     15  - solder RJ45-Pin1 with the red cable (12V), use shrinkable tubing for electrical isolation
     16  - solder the third coloured cable (5V) with the red cable from the micro usb plug, use shrinkable tubing for electrical isolation
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