Product_description: ["Integrate your MicroMod project into an Ethernet network including Power-over-Ethernet w/ the SparkFun MicroMod Ethernet Function Board. This specialized Function Board uses the W5500 Ethernet control module from WIZnet & a DC/DC converter to configure a MicroMod assembly as a connected & powered device into an Ethernet network w/ a Power-over-Ethernet (PoE) system.<br>The W5500 Ethernet Controller from WIZnet is a TCP/IP embedded Ethernet controller that uses SPI communication protocol to allow up to eight independent sockets to operate simultaneously. The W5500 SPI interface operates at up to 80MHz & supports fast SPI for high speed Ethernet communication. The chip also includes a Wake on Lan (WOL) operation & power down mode to help conserve power.<br>The board uses a Ag9900m Power-over-Ethernet (PoE) DC/DC converter module to power MicroMod assemblies from a PoE source such as a router or network switch. The DC/DC converter supplies 9 Watts @5V to connected devices. This Function Board configures the PoE supply voltage to the IEEE802.3af Alternate B power scheme. This power scheme uses the spare pairs in the Ethernet cable (4,5 & 7,8) for positive & negative DC voltage, isolating power delivery from the data lines.<br>W/ the MicroMod standardization, users no longer need to cross-reference schematics w/ datasheets, while fumbling around w/ jumper wires. Simply, match up the function board's M.2 edge connector to the slot of the M.2 connector on the main board & secure the function board w/ screws.<br>MicroMod is a modular interface ecosystem that connects a microcontroller “processor board” to various “carrier board” peripherals. Utilizing the M.2 standard, the MicroMod standard is designed to easily swap out processors on the fly. Pair a specialized carrier board for the project you need w/ your choice of compatible processor!"] (Page 1)