RC Series
RC362HD-6211IR Installation Guide
04-2017-A
www.rivatech.de
20
APPENDIX (B): POWER OVER ETHERNET
The Power over Ethernet (PoE) is designed to extract power from a conventional twisted pair
Category 5 Ethernet cable, conforming to the IEEE 802.3af Power-over-Ethernet (PoE) standard.
The IEEE 802.3af allows for two power options for Category 5 cables.
The IEEE 802.3af-2003 standard allows up to 15.4 W of power to device. However, 12.95 W is
the available power as some of the power gets lost in the cable.
The updated IEEE 802.3at-2009 (PoE+) standard allows up to 25.5 W (Max 34.2 W) of power to
device. PoE has advantages over conventional power in such places where AC powers cannot
be reached or is expensive to wire.
Power Comparison
Property
802.3af
802.3at
Available Power
12.95 W
25.50 W
Max. Power by PSE
15.40 W
34.20 W
Max. Current
350 mA
600 mA
Supported Cable
Category 3 or higher
Category 5 or higher
Note
i
For proper activation of PoE, the Category 5 cable must be shorter than 100m and
conform the PoE standard.
Note
i
With non-Power Sourcing Equipment (non-PSE)
When it is connected with non PSE, the power adaptor should be connected.
With power adaptor
Connecting both PSE and power adaptor does not do any harm to the product.
Disconnecting PSE or power adaptor from device does not reboot the device as
long as either one is connected to the device.