[8023-10GEPON] ODP: [8023-10GEPON] [POWER_BUDGET] ad hoc group meeting
Glen,
I agree with You especially on the iterative process - I am only concerned that we do not have some commonly agreed figures for laser sources and receivers which would be representative gfor the given class of devices. If we can agree on those during this meeting, that would push us forward quite a bit ... We could then apply the process which You refer to and come up with the solutions and the numbers that we need.
Best wishes
Marek
________________________________
Od: Glen Kramer [mailto:glen.kramer@TEKNOVUS.COM]
Wysłano: Wt 1/30/2007 9:42
Do: STDS-802-3-10GEPON@listserv.ieee.org
Temat: Re: [8023-10GEPON] [POWER_BUDGET] ad hoc group meeting
Robert,
This is a good plan for the call. To clarify item (b) below, as an outcome
of this ad hoc I would like to see two tables listing receive and transmit
characteristics for each PMD. As an example, I attached corresponding tables
from clause 60 (1000BASE-PX20).
I am thinking of the following iterative process:
1) Pick Rx and Tx technologies that may get you the required budget
2) Select a specific set of parameters (as in the attached tables) that
satisfy the required budget and which the chosen technologies can achieve.
3) Verify the selected combination of parameters using the Link Model
spreadsheet.
4) If verification fails, return to step 1) or 2).
Not all the parameters in the attached tables are used in the spreadsheet,
so we probably don't need to sweat right now on those parameters that do not
directly affect power budget (like laser on/off, settling time, or jitter
characteristics).
Those, who have been through the EFM PMD's pains, please comment on what
worked and what didn't in selecting the 1G EPON PMDs.
Thanks,
Glen
> -----Original Message-----
> From: Lingle, Jr, Robert (Robert) [mailto:rlingle@OFSOPTICS.COM]
> Sent: Monday, January 29, 2007 7:11 PM
> To: STDS-802-3-10GEPON@listserv.ieee.org
> Subject: Re: [8023-10GEPON] [POWER_BUDGET] ad hoc group meeting
>
> As a reminder, there will be two meetings with essentially the same
> agenda,
> one Tuesday evening at 7PM EST and the other at 9AM EST Wednesday morning
> (see below).
>
> I am revising the agenda for the first meeting, based on feedback on the
> reflector and some phone conversations. It seems there is a need to
> better
> understand the meaning of the numbers in the power budget, prior to
> driving
> to solutions for those power budgets. So we will first:
> a. introduce ourselves on the call
> b. tell you what I think Glen wants us to accomplish, then see what others
> think is important
> c. discuss the interpretation of the 29dB channel insertion loss in
> context
> of the EFM power budget and make sure we all agree on what it means.
> Several
> emails on the reflector on 1/28 and 1/29 addressed this subject.
> d. begin looking at specific past proposals for meeting the 29 dB budget,
> likely to carry over to next meeting.
>
> I will send out some slides prior to meeting.
>
> Robert
>
> -----Original Message-----
> From: Lingle, Jr, Robert (Robert) [mailto:rlingle@OFSOPTICS.COM]
> Sent: Friday, January 26, 2007 10:48 AM
> To: STDS-802-3-10GEPON@LISTSERV.IEEE.ORG
> Subject: [8023-10GEPON] FW: [8023-10GEPON] [POWER_BUDGET] ad hoc group
> meeting - CORRECTE D
>
>
> There was an error in my first email w/r/t to the time of the Wednesday
> 1/31
> call. It will be held at 9AM to enable European participation.
> **************************************************************************
> **
> ************
> All,
>
> I appreciate the expression of interest I received in the Power Budget ad
> hoc from 10 individuals. I expect more than that to join the calls.
>
> The first meeting will be held Tuesday, January 30 at 7PM EST, which I
> believe is
> Wednesday January 31 at 9AM in Tokyo. This meeting would likely be
> attended by anyone in Japan, Korea, or the US West Coast.
>
> I will also hold a follow-up call on Wednesday January 31 at 9AM EST
> for anyone on the East Coast of the US or in Europe who wishes to
> participate. I believe that will be 2 or 3PM for Europe cities.
>
> Toll-free in US 866-263-8899
> Outside US 816-249-6061
> Conf. Code 7707985015
>
> I propose that the ad hoc will meet four times between now and March
> Plenary, with following goals:
>
> 1/30 & 31 - purpose is to review a summary of results and conclusions from
> previously prepared materials, discuss what seem like most likely
> solutions
> for 29dB power budgets, and to generate questions that need answers to
> turn
> preliminary conclusions into consensus conclusions based on cost and
> technical feasibility. I am preparing that presentation to review in
> consultation with others. Ad hoc participants will be expected to take
> action items from the first meeting to bring back answers to the questions
> raised.
>
> week of 2/12 - purpose is to bring back answers to questions raised in
> previous meeting and debate their meaning, with goal of focusing down on
> one
> PMD proposal one which to analyze further for the 29 dB power budget case.
>
> week of 2/26 - purpose is to finish up any unanswered questions for 29dB
> power budget solution, and begin to discuss whether the 29 dB solution can
> form the basis for reduced cost PMDs for lower power budget cases?
>
> week of 3/5 - review and revise a presentation for March plenary
>
> Robert
>
> Robert Lingle, Jr.
> Fiber Design and Transmission Research
> OFS Corporate R&D, Atlanta
> 404-886-3581 (cell)
> 770-798-5015 (office)