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PCM FAILURE in NOKIA

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  • #56799 Reply
    FLM
    Guest

    Hi,
    Is this correct that pcm failure alarm in nokia is not related to radio link and it reflects mostly a physical problem in pcm line?
    In a chain of BTS sites with one as a hub site,sometimes the hub site has pcm failure and OM is BL but we see the dependent sites are normal and working!!!!!!
    How is it possible?!!
    another question plz tell :
    what is the difference between ZAHO and ZYEF commands?
    thank you.

    #56800 Reply
    FLM
    Guest

    HI EVERYBODY,
    WOULD YOU PLEASE ANSWER MY QUESTION? I AM WAITING , FRIENDS.

    #56801 Reply
    forouzan
    Guest

    dear friend
    I suggest you to have a look at the formula of pcm failure in your monitoring system.if you’re using netact check it in the formula document.you will see different counters which play a part in pcm fail and when they trigger.not all the time the issue is pcm itself as my personal experience.
    Good luck

    #56802 Reply
    FLM
    Guest

    Thank you Forouzan.
    Could you please explain a bit more about it?

    Thanks.

    #56803 Reply
    n0mi
    Guest

    hi,

    Well as per my knowledge PCM alarm is concerned with the physical links as the Radio Interface uses LAP-D protocol.
    I am not familiar with ZYEF command but ZAHO is used to display all the current alarms on the BSC.

    I would appreciate if anyone could share some material on Nokia NetAct CM tool.
    thank you

    #56804 Reply
    kryptonite11
    Guest

    Hi FLM,

    what is the difference between ZAHO and ZYEF commands?

    -ZAHO command is displaying active alarms. While ZYEF, it is an interrogating command status:
    example:
    For ET card.
    ZYEF:ET,et#; – This will display status of ET if its PCM failure or OK.

    While ZAHO:ET,xx; – This will display current active alarm.

    In a chain of BTS sites with one as a hub site,sometimes the hub site has pcm failure and OM is BL but we see the dependent sites are normal and working!!!!!!
    – what BTS model are using? Is their transmission in the chain are the same?

    #56805 Reply
    baban phad
    Guest

    who can i clear the alarm of PCM failure ???

    #56806 Reply
    Gagan Mathur
    Guest

    What is the full form of PCS ? how does it work and failure in it?

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