I read in !emc-pstc that Meunier, Éric <[email protected]> wrote (in <5009AD9521A8D41198EE00805F85F18F0134036E@SEMBO111>) about 'STP vs FTP Ethernet cables (2)', on Thu, 6 Sep 2001: >You may want to check if the FTP cable has a 100 Ohms characteristic >impedance which would make it compatible with interfaces designed for UTP >cable. STP cable is supposed to have a 150 Ohms impedance which is not >compatible with standard 10baseT interfaces which are usually designed for >UTP.
This is only likely to give any problems on long cable runs. 'Long' means several wavelengths of the highest useful frequency in the signal. -- Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co..uk Eat mink and be dreary! ------------------------------------------- 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: Michael Garretson: [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: No longer online until our new server is brought online and the old messages are imported into the new server.
