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  1. #1
    Junior Member Junior
    Join Date
    Jan 2006
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    Default Female DB-9 on back of a receiver

    can anyone tell me how to upload firmware on strong srt4155 evo and sr7800 thay have female DB-9 connector on the back side and normally null modem cable has 2 DB-9 female connectors. So i need some kind of adapter? i need to modify my cable? i realy don;t know how to connect female to female connectors is the pinout the same or there is some mixing with the wires?


  2. #2
    Gold Member Expert
    Join Date
    May 2004
    Socialist Republic of Hypocrates
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    pins connent on 2-3, 3-2, 5-5, to change from femal to male just use a adapter if you can not get then modify the cable cut the female port and put an male port one the end where you need it

  3. #3
    Junior Member Teacher
    RDI - Board Default Avatar

    Join Date
    Sep 2005
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    Here is the picture of the pin outs.



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