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10GE PMD




Rich,

I have some questions based on my reading
of your latest posting and the presentations 
you cited.  In one of the studies, a mention 
was made of multi-level optical transmission.
Is this a misread on my part?

Pat Gilliland
patgil@xxxxxxxxxxx

------------------------------------------


At 06:54 PM 11/14/99 -0800, you wrote:
>
>The purpose of this note is to clear up confusion regarding Hari, a
>proposed 4-lane serial interface for 10 GbE and train-up sequences.
>
>It should be clear that NO TRAINING SEQUENCES are proposed for Hari.
>Both the "Hari Coding Objectives" presentation
>(http://grouper.ieee.org/groups/802/3/10G_study/public/nov99/taborek_1_1199
.pdf)
>and "Word Striping on Multiple Serial Lanes"
>http://grouper.ieee.org/groups/802/3/10G_study/public/nov99/ritter_1_1199.p
df)
>make a point of noting that no train-up is required Hari to deskew.
>
>The Hari Coding Objectives proposal uses the standard Idle sequence
>proposed by Howard Frazier of Cisco to deskew multiple parallel lanes
>while simultaneously acquiring code-group synchronization on all lanes.
>
>--
>Best regards,
>Rich
>
>  ----------------------------------------------------------
>
>Richard Taborek Sr.   1441 Walnut Dr.   Campbell, CA 95008 USA
>Tel: 408-370-9233     Cell: 408-832-3957     Fax: 408-374-3645
>Email: rtaborek@xxxxxxxxxxxxx
>
>