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Hello, The Vport ad hoc has the following meetings schedule to discuss
the dynamic port voltage requirements. These meetings will be used to
collect existing PD data, review existing constraints and develop new
constrains for the proposed IEEE 802.3at standard. Thursday September 7 and 14 at 8 AM (PST) Telephone number: 888-525-6064
, 408-525-6064 Meeting ID: 802328
(8023at) Duration: 60 minutes Sept. 7 meeting material is attached. Please also have
a copy of the http://grouper.ieee.org/groups/802/3/at/public/jul06/index.html Thanks, Fred Schindler Technical Leader CISCO Systems M/S SJ-19-3 Tel. (408) 525-9859 -------------------- Some information from the last meeting
--------------- July 6, 2006 Attendance:
… [Information already provided will be placed in a presentation to be
circulated a day before the meeting.] 5) Items
to collect data on: (everyone is encouraged to collect this information) a. PD
di/dt values for
i.
Shipping systems. ii. Front-ends
of PD with maximum load step.
iii.
When PSE changes from 57V to 44V through a representative channel
resistance. b. Topologies
of DC-DC suitable for PDs. Identify the worst-case topology for
additional analysis. c. AC-DC
di/dt demand possible (data points) while still within specification. |
IEEE 802.3at Vport ad hoc didt data v1.pdf