Re: Hari and train-up sequences
Pat,
Not at all. I've been pushing multi-level signaling scheme for 10 GbE since
March. There are a number of presentation out there. I suggest working backwards
starting with the Kauai meeting. Here are the two best links for info:
http://grouper.ieee.org/groups/802/3/10G_study/public/nov99/taborek_2_1199.pdf
http://grouper.ieee.org/groups/802/3/tutorial/july99/mastut.pdf
Patrick Gilliland wrote:
> 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
> >
> >
--
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