Hello! Could you precise whether you are talking about emission or immunity?
As already stated - Ethernet is quite fault-tolerant. You will see a drop of usable bandwidth, but errors are less likely. If you experience bandwidth limitations, there are several possible reasons: - Poor drivers. - Limited bandwidth of the bus/connection to the controller. - One/both Ethernet interfaces are not compliant to IEEE 802.3 Gigabit Ethernet has some paramaeters like transfomer symmetry, return loss etc. which must match with the standard. For emission: You will less likely see emissions directly from a correctly designed Gigabit Ethernet interface. More frequent are emissions through coupling of internal sources through the Ethernet interface. Regards, Michael Michael Nagel Senior EMC Engineer Motorola GmbH ECC Embedded Communications Computing Lilienthalstrasse 15 85579 Neubiberg/Muenchen - Germany Ph: +49-89-9608-0 Fax: +49-89-9608-2376 e-mail: [email protected] info: http://www.motorola.com/computers From: [email protected] [mailto:[email protected]]On Behalf Of Price, Andrew P (SELEX) (UK Basildon) Sent: Montag, 28. November 2005 10:42 To: Emc-Pstc (E-mail) Subject: Are there any knowm EMC porblems when transmitting video on gigabite ethernet? Hi everyone Does any member know of any known EMC problems associated with transmitting video over a gigabite ethernet system? Regards Andy ___________________________________________ Andrew Price Principal Hardware Engineer (EMC Specialist) SELEX Sensors and Airborne Systems Christopher Martin Road Basildon Essex SS14 3EL Mail ref: A125 Tel: +44 (0) 1268 883308 email: [email protected] ******************************************************************** This email and any attachments are confidential to the intended recipient and may also be privileged. If you are not the intended recipient please delete it from your system and notify the sender. You should not copy it or use it for any purpose nor disclose or distribute its contents to any other person. ******************************************************************** - 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: Jim Bacher: [email protected] David Heald: [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/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: Jim Bacher: [email protected] David Heald: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
