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Data Link Failure

Viewing 7 posts - 1 through 7 (of 7 total)
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  • #64771 Reply
    RK
    Guest

    Can any body help me understand Data Link Failure?
    How it is caused? what is the effect of this?

    #64772 Reply
    mohan
    Guest

    hi,

    I am also facing datalink failure issue while doing drive with tems 8.so what is it and whats its impact?

    #64773 Reply
    Drive Test Eng
    Guest

    hey guys

    datalink failure caused by timer value = N200 , u should check this value.

    #64774 Reply
    pix
    Guest

    data link failure is a failure on the layer 2 (lapdm), which is caused by non-acknowledgment of 1 message. The message was repeated N200 times, waiting for the ack during T200 at every transmission.
    So basically, it is a radio failure that is detected thanks to lapdm failures rather than radiolink timeout.
    The value T200*N200 is usually longer than the time it takes to have a RadioLink Timeout, so it is rare to face a datalink failure before the radiolink failure, unless you have a high value of “radio link timeout”.
    (other suggestions are welcomed !)

    regards
    pix

    #64775 Reply
    RK
    Guest

    Thanks Pix

    #64776 Reply
    el mariachi
    Guest

    hi Pix,
    is there a different naming for N200 and T200 for motorola equipment ?

    thanks

    #64777 Reply
    Just Passing By
    Guest

    This Type of alarms also showed in Low RXLEV , so check your Signal Strength

Viewing 7 posts - 1 through 7 (of 7 total)
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