chinatown 发表于 2017-1-6 16:05

OSMEE 14-4

Question:Should equipment powered by USBbe considered powered by LPS?Should equipment powered by PoEbe considered powered by LPS?
Decision 06/6 deleted andreplaced by decision 14/4:



If the accessory is designed tothe Universal Serial Bus (USB), version 1.0 or 2.0, or IEEE 1394 sets ofstandards and is provided with a single connector configuration required bythose standards, it may be assumed that the accessory is supplied power by anLPS, and thus may use HB material without further test. See also first bulletof 9th paragraph of 4.7.2.2.Accessories using non-standardUSB connection are excluded from this decision.Confirmed by IEC TC108.
PoE and USB 3: OSM agrees that input from IECTC108 is needed. Until then PoE and USB 3 should be considered not to be LPS.
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查看完整版本: OSMEE 14-4