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Posted by Robert Redelmeier on October 2, 2006, 9:16 am
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Sounds very much like homework. Most USENET groups
frown on dong student's homework.
> Hello -
> Any corrections/comments/respones on the below query would be
> appreciated ?
>
> Kott
>
> Kott wrote:
>> Hello -
>>
>>
-----------------------------------------------------------------------------------
>> A. What would be total number of Symbols that can be Received in 1 sec
>> , for 100Mbs, 1000Mbps PHY?
>> Would this depend on the media whether it is Copper of Fiber ?
>>
>>
>> My understanding is that it would depend on the media, as the
>> Encoding/Decoding schemes
>> are different- for 1000B-T which uses 4PAM-5 , and 1000B-X uses
>> 8B/10B.
>>
>> Could the experts please comment on the above ?
>>
>>
>> As per my calculation for 1000BASE-X Fiber media which uses 8B/10B
>> encoding
>>
>> 1. For every 8 bits of data 10 symbols are used , so in 1 sec for
>> 1000Mbps it would Receive 1250MSymbols. Is this number right ?
>>
>> 2. For 1000BASE-T what would the total number of symbols that can be
>> Received in 1Sec?
>>
>>
>> I would appreciate corrections/comments on the above or any pointers .
>>
>> Thanks
>> Kott
>
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