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37NVR and hDVR Systems Setup Guide

APPENDIX C: POWER OVER ETHERNET

APPENDIX C

Power over Ethernet

Some DIGIOPBlack cameras and encoders support Power over Ethernet (PoE) in conformance with the IEEE 802.3af standard. IEEE

802.3af allows for two power options for Category 5 (Cat5) cables.

• The PoE module signature and control circuit provides the PoE compatibility signature and power classication required by the

Power Sourcing Equipment (PSE) before applying up to 15 W power to the port.

• The high eciency ac/dc converter operates over a wide input voltage range and provides a regulated low ripple and low noise

output. The ac/dc converter also has built-in overload and short-circuit output protection.

C.1 PoE compatibility

With non Power Sourcing Equipment (PSE)

When it is connected with non PSE, use the power adaptor to provide power to the camera.

With power adaptor

Connecting both a PSE and a power adaptor does not do any harm to the products. Disconnecting the power adaptor while it is

operating does not stop operation. The product continues to work without rebooting.

C.2 Power classication

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 15.4 W 0.44 to 12.95 W

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Digiop BLK-IPS101 Guida di Configurazione Pagina 41