Appendix (B): Power Over Ethernet; Power Comparison - Ganz G2 THERMAL ZNT1-P Series Installation Manual

ZNT1-­‐P S eries

APPENDIX (B): POWER OVER ETHERNET

The Power over Ethernet (PoE) is designed to extract power from a conventional twisted pair
Category 5 E thernet c able, c onforming t o t he I EEE 8 02.3af P ower-­‐over-­‐Ethernet ( PoE) s tandard.
IEEE 8 02.3af a llows f or t wo p ower o ptions f or C ategory 5 c ables.
The I EEE 8 02.3af-­‐2003 s tandard a llows u p t o 1 5.4 W o f p ower t he d evice. H owever, 1 2.95W i s
the a vailable p ower a s s ome o f t he p ower g ets l ost i n t he c able. T he u pdated I EEE 8 02.3at-­‐2009
(PoE+) s tandard a llows u p t o 2 5.5 W ( Max 3 4.2 W ) o f p ower t he d evice.
PoE h as a dvantages o ver c onventional p ower i n s uch p laces w here A C p owers c annot b e r eached
or i s e xpensive t o w ire.

Power Comparison

Property
Available P ower
Max. P ower b y P SE
Max. C urrent
Supported C able
i
For p roper a ctivation o f P oE, t he C ategory 5 c able m ust b e s horter t han 1 00m a nd
conform t he P oE s tandard.
Note
With n on-­‐Power S ourcing E quipment ( non-­‐PSE)
When i t i s c onnected w ith n on P SE, t he p ower a daptor s hould b e c onnected.
i
With p ower a daptor
Connecting both PSE and power adaptor does not do any harm to the product.
Note
Disconnecting PSE or power adaptor from device does not reboot the device if
either o ne i s c onnected t o t he d evice.
802.3af
12.95 W
15.40 W
350 m A
Category 3 o r h igher
CBC A merica L LC.
ZNT1-P Installation Guide
802.3at
25.50 W
34.20 W
600 m A
Category 5 o r h igher
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