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DS125MB203: PON Interface Application Consult

Stanley Dai
Expert 5810 points
Part Number: DS125MB203

Hi Team,

If the signal of PON interface is Burst type, our device (DS125MB203) can handle it or not? Customer is consulting about it. Thanks.

Best,

Stanley

  • 0
    TI__Mastermind 35813 points

    Hi Stanley,

    I am not very familiar with burst mode, so please correct me if my understanding of it is lacking.

    My understanding is that the burst mode refers to sending bursts of data as needed, and while the line is idle, idle frames are sent.

    If this is the case, the DS125MB203 should be able to handle this.

    Thanks,

    Drew

  • 0 in reply to Drew Miller1
    TI__Expert 5810 points

    Hi Drew,

    Below two figures are the application reference. There are still two questions customer is concerned about:

    1. How long does it take for channel switching to stabilize?

    2. After the channel is stable, whether the response time from idle to data is needed? And no data loss is must required.

    In the meantime, do we have 1-lane solution similar function like DS125MB203? In customer system, they only need 1-lane one.

    Best,

    Stanley

  • 0 in reply to Drew Miller1
    TI__Expert 5810 points

    Hi Drew,

    Need to you help comment on below my following question, customer is pushing us. Many thanks for your helps in advance.

    Best,

    Stanley

  • +1 in reply to Stanley Dai
    TI__Mastermind 35813 points

    Hi Stanley,

    Apologies for the delay.  

    Stanley Dai said:
    1. How long does it take for channel switching to stabilize?

    The typical mux switch time is 100 ns.

    Stanley Dai said:
    2. After the channel is stable, whether the response time from idle to data is needed? And no data loss is must required.

    The typical response time from idle to data is 3.5 ns.

    Unfortunately, we do not have a 1-lane solution similar to the DS125MB203.

    Thanks,

    Drew