Better discover it yourself than have your customer discover it for you. The latter creates a lot of hassle for nothing.
My 2c Michael Nagel > -----Original Message----- > From: drcuthbert [mailto:[email protected]] > Sent: Donnerstag, 23. Januar 2003 01:45 > To: [email protected] > Subject: ESD > > > > This probably comes under the heading of "due diligence". > > Dave Cuthbert > > > > Kris, > > In my reading of the standard, and the next modification will include > that clearly, you need to test discharges to the shell of the USB > connector, as there will not be a connector in there all the time. > > There is another strong argument: The user might plug a charged (e.g. > hand-held) device into the USB port. > > Of course, the main criteria is survival, as you cannot test > connectivity if there is no USB device. > > But if you have multiple USB connectors, another USB device > might loose > connection when discharging to a different USB connector. > > David Pommerenke > > > ------------------------------------------- > This message is from the IEEE EMC Society Product Safety > Technical Committee emc-pstc discussion list. > > Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ > > To cancel your subscription, send mail to: > [email protected] > with the single line: > unsubscribe emc-pstc > > For help, send mail to the list administrators: > Ron Pickard: [email protected] > Dave Heald: [email protected] > > For policy questions, send mail to: > Richard Nute: [email protected] > Jim Bacher: [email protected] > > All emc-pstc postings are archived and searchable on the web at: > http://ieeepstc.mindcruiser.com/ > Click on "browse" and then "emc-pstc mailing list" > This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://ieeepstc.mindcruiser.com/ Click on "browse" and then "emc-pstc mailing list"
