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NVC/IPE Series
IPE3500M Installation Guide
02A.07
UDP Technology Ltd.
19
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.
IEEE 802.3af allows for two power options for Category 5 cables.
The PoE module signature and control circuit provides the PoE compatibility signature and
power classification required by the Power Sourcing Equipment (PSE) before applying up to
15W power to the port.
The high efficiency DC/DC converter operates over a wide input voltage range and provides a
regulated low ripple and low noise output. The DC/DC converter also has built-in overload and
short-circuit output protection.
Note: For proper activation of 12V PoE, the Category 5 cable must be shorter than 140m and
conform the PoE standard.
PoE compatibility
With non Power Sourcing Equipment (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 products. Disconnecting
power adaptor while it is operating does not stop operation. The product continues to work
without rebooting.
Power classification
The PoE Power Class supported by the IP device is Class 0.
Class
Usage
Minimum Power Levels
Output at the PSE
Maximum Power Levels at the
Powered Device
0
Default
15.4W
0.44 to 12.95W