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Power Supply
Connector: Examples of the connector you should use are:
o Phoenix (MC 1,5/2ST-3,81)
o Würth (691361300002)
Operating voltage: 50 - 57Vdc, typical 56Vdc
Power consumption: The mainboard of the gateway consumes about 10W, the Ethernet board can
consume up to 60W (4x15w or 2 x 30W. So the total power should not exceed 70W.
The POE Ethernet board has an internal one time fuse of 2A
The power plug is delivered together with the PoE Ethernet Switch expansion card. The plug is
visible within the red rectangle in the picture below.
This plug allows you to connect an external power supply to the socket on the PoE expansion card.
IMPORTANT: the polarity of the external power supply is indicated on the metal front plate of the
expansion card.
SAFETY WARNING
When the PoE expansion board is inserted in the gateway, the gateway must be powered
from the PoE power supply. The main power input on the back of the gateway will be
disabled!
SAFETY WARNING
The PoE power supply operates on DC power provided via a DC power supply or AC
power adapters. Only use power supplies rated at 56Vdc and make sure the product is
installed near a power outlet that is easily accessible. This product is regarded a class III
equipment where protection against electric shock is provided by means of power
supplied from a SELV (Safety Extra Low Voltage) circuit and does not generate hazardous
voltages within itself.
Revision: 1.00
Copyright 2015 U.S. Robotics Corporation
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