Reminder: SAS PHY teleconference, March 21, 2013, 10:00 am CDT

Alvin Cox alvin.cox at
Wed Mar 20 07:39:42 PDT 2013

Formatted message: <a href="">HTML-formatted message</a>

1.  QSFP+: - Results of the STA meeting indicated no issues with updating
the standard per NetApp comments to include additional SFF specification
references for higher speed QFSP+ configurations and remove references
regarding support of the standard with regards to QFSP+. Discussion welcome
if required during the call.
2.  Letter ballot comments needing PHY feedback:
2.1  Page 146, in reference to figure 116, the following comment was
The reference pulse response cursor (peak-to-peak) does not occur at the
peaks of the probability of signal occurrence.
2.2  Page 157, table 34 in reference to physical link rate long-term
Please define long-term (how long is 'long').
2.3  Page 170, figure 131 in reference to the axis labels:
Coefficients have been defined as normalized coefficients in the reference
TX section, despite never being named as such. So there should be no
denominator: consistent axis titles are C1 and C3.
2.4  Page 172, table 145 in reference to the values for hold hold hold (top
line of table):
Change to dashes (not applicable).
 Since no change on the TX characteristics is expected, this represents the
sum of the measurement error + environmental variations between two
measurements of the same output. It is not cons
istent that the tolerances allowed when a change is applied (i.e., all the
other lines of this table)are the same as the measurement error +
environmental variations that will also be present in these cases.
Proposing to remove the tolerances for the hold/hold/hold case.
3.  New items.
Topic: SAS-3
Date: Every 2 weeks on Thursday, from Thursday, March 21, 2013 to Thursday,
May 2, 2013
Time: 10:00 am, Central Daylight Time (Chicago, GMT-05:00)
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Alvin Cox
Seagate Technology, LLC
Cell 405-206-4809
Office 405-392-3738
E-Mail	alvin.cox at

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