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[802.3af] table 33.7.3.4



I spoke with a test engineer here at Cisco today and he is concerned about entry EL11 in table 33.7.3.4 - The shape of the impulse for item EL11, which is defined as 0.3/50 µs (300 nS virtual front time, 50 µs virtual time of the half value).  Does anyone know the origin of this value?  My test guy here claims that he has never seen a waveform like this from the spec and is concerned with his ability to reliably generate this.

 

Chad Jones                               cmjones@xxxxxxxxx

Hardware Engineer                     Phone: 330-664-7818

WNBU Engineering                    Fax: 330-664-7990

Cisco Systems

320 Springside Drive

Suite 350

Akron, OH 44333-4500               www.cisco.com