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Re: [8023-POEP] Liaison letter from IEC TC65/SC65C/JWG10 - Power over Ethernet performance in industrial environments



Hugh-

On 7/7/09 4:01 PM, Hugh Barrass (hbarrass) wrote:
It is
possible that a system with a low impedance between Tx&  Rx pairs could
be damaged if the PSE incorrectly applies power, it is also possible
that the failure was related to a number of other conditions that exist
when large inductive loads are switching rapidly.
Perhaps a combination of
    PVC insulation
    high humidty
    noisy environment from inductive load switching
    (and perhaps pair imbalance from ??)

Geoff