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RE: delay constraints from XGMII to XAUI




The only MAC requirement I can think of for bounding the lower layer delay
is for buffer sizing for 802.3x flow control.  That has been the factor for
keeping the delay tables in various clauses.

--Bob Grow

-----Original Message-----
From: Steven Shen [mailto:ss_shen@xxxxxxxxxxxxxxxxx]
Sent: Wednesday, December 13, 2000 11:58 AM
To: stds-802-3-hssg@xxxxxxxx
Subject: delay constraints from XGMII to XAUI




Hi all:

In D2.0 table 48.5 defines the MDI to XGMII delay constraints to be 272
UI.
I wonder that "is there any delay constraints on XAUI to XGMII
(PCS+PMA)"?

thanks

best regards

Steven Shen
Silicon Bridge Inc.