This message has been converted via the evaluation version of Transend Migrator. Use beyond the trial period specified in your Software Evaluation Agreement is prohibited. Please contact Transend Corporation at (650) 324-5370 or [email protected] to obtain a license suitable for use in a production environment. Thank you. <br> ---------------------------------------------------------------------<br> You can terminate the ports and have them operate by using another Gbit switch or hub as a link partner. Then you can run real traffic through them. If you test two switeches, connect them to each other. I also recommend using long cables, since Ethernet is defined to operate to 100m cable. You don't need all that length, but sufficient to radiate efficiently at 30 MHz. If the switches don't have some built-in capability of generating traffic, you'll need to connect them to something that will do it. Smartbits is a typical device used, but a PC/NIC may also be configured for it, if you can have control over it. BTW, typical emission in 100 Mps and Gps modes is about the same (+/- a little) with link-only and with "real" traffic. In 10 Mps mode, the emission is strongly dependant on the data pattern, so make sure you use a pattern that is random and does meet the requirements from 55022. I have never seen anyone actually verifying that the pattern meets these requirements, but my experience is that people use random pattern. I don't work in a test house, so my exposure to what "everyone" is doing is somewhat limited. Neven
-------------- Original message -------------- > Hello, > > We don't do routine OATS evaluation of stand-alone ITE products > (other than items integrated in to our products,) so pardon my > ignorance or poorly thought out questions. > > I have a couple of 8 port gigabit network switches I would like to > evaluate on the OATS. ANSI C63.4-2003 gives me some guidance > in this area, such as "each I/O port being terminated in typical load > of actual usage." > > What kind of a circuit would I used for IEEE 802.3AB load? I am > thinking transformer (?) passive, but placed where??? Directly > plugged into the 8 port switch or placed on the end of short (length?) > Ethernet cable? If I use short cables, how do I not create 8 small > horizontal antennas 1 meter high? Comments? ! > > Regards, > > Dave Garnier > > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society > emc-pstc discussion list. Website: http://www.ieee-pses.org/ > > To post a message to the list, send your e-mail to [email protected] > > Instructions: http://listserv.ieee.org/listserv/request/user-guide.html > > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > > Scott Douglas [email protected] > Mike Cantwell [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://www.ieeecommunities.org/emc-pstc ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/listserv/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Cantwell [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://www.ieeecommunities.org/emc-pstc
