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Posted on Jan 02, 2017
SOURCE: PoE Cable for Polycom IP 500
Check if the switch uses active or passive PoE and the volts it pushes out
Active(PINS)1 2 3 4 5 6 7 8RX/DC+ RX/DC+ TX/DC- n/a n/a TX/DC-
Passive(PINS)1 2 3 4 5 6 7 8RX RX TX DC+ DC+ TX DC- DC-
Cat 5 cable9V < 30m cable length12V < 60m cable length
Max Ethernet cable length is 100m
Posted on Mar 22, 2012
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