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George, I strongly agree with you. We should be striving to recreate the success of the BASE-T ecosystem, and that means accepting a mix of multiple speeds in the environment. Regards Peter _______________________________________________________________ Peter Jones Distinguished Engineer,
Cisco Networking Hardware Chair, Ethernet Alliance
Mobile: +1 408 315 8024 Email: petejone@xxxxxxxxx Web:
https://about.me/petergjones
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All – in generating a noise environment, it occurs to me that the low frequency noise might be substantially different if we consider an environment with some 10BASE-T1L and some 100BASE-T1L disturbers. (I have substantial experience in
mixed crosstalk environments from prior work, both in Ethernet and DSL systems). This tends to increase the noise at low frequencies and could be important. My own experience tells me such installations would likely be commonplace; however, I would like to ask other practitioners their experience, particularly whether they would likely see the inline connector distributions of the two technologies
mixed in an operational process automation scenario. It isn’t a huge effect, but if this happens, including it can be a useful way to avoid putting too little low frequency noise. George Zimmerman, Ph.D. President & Principal CME Consulting, Inc. Experts in Advanced PHYsical Communications 310-920-3860 To unsubscribe from the STDS-802-3-SPEP2P list, click the following link:
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