DC1814A-A

LINEAR TECHNOLOGY DC1814A-A Demonstration Board, Power Over Ethernet POE, PSE Controller, I2C Serial Interface

The Demonstration circuit 1814A-A features the LTC®4274A, single port power sourcing equipment controller, capable of delivering 38.7W of LTPoE++™ power to a compatible LTPoE++ powered device. The LTC4274A is configured in the as an AUTO pin high, MID pin high, autonomous midspan power injector; input data from an existing network system is sent out, along with power, to a powered device.

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Low power dissipation

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Very high reliability 4-point powered device detection

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High capacitance legacy device detection

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MHz I²C compatible serial control interface

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Midspan backoff timer

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Supports 2-pair and 4-pair output power