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  1. #1
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    Communication over telephone line "Data Transfer"

    HI,

    Can some body help me in modem selection.
    Actually the problem is making "data tranfer between two devices" serial communication over telephone line between two remote devices.

    As in simple scinareo i should have used RS485 for serial communication which dosnt work for more than 1.2Km. But the distance is still larger than this around 25 Km. So now how can i communicate between two devices placed at remote distance around 25km far away from each other.

    So i found out that communication done with the help of telephone line would help me. But right now i am unable to find some modem which could communicate with other modem and i could tranfer data on that line.

    PLZ HELP ME IN THIS RESPECT

    With Regards
    Tarun Gupta

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  2. #2
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    Communication over telephone line "Data Transfer"

    how you are planning to do wire run???

    Also just idea use land line phone line at one end and use cell phone as modem on anathere end, and communicate from PSTN to celluar network...

    Good lack



  3. #3
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    Re: Communication over telephone line "Data Transfer&am

    You can use regular voice modem to communicate between two devices placed at remote distance around 25km far away from each other.

    What is your problem?

    Are you using PC? PCAnywhere can handle the task very easily.



  4. #4
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    Re: Communication over telephone line "Data Transfer&am

    Hi i think tarungupta83 don't wanna use the telephone network to communicate between 2 devices , he wanna use a simple telehone line, do u ?

    take a look here http://electronics.howstuffworks.com/telephone5.htm



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