The HP JetDirect 250M is an LIO print server module. It plugs into the LIO slot of certain HP printers and provides network connections for those printers. The print server connects to Ethernet or Fast Ethernet networks using twisted-pair cabling. The 250M supports several additional network operating systems and has upgradeable firmware. The print server includes an embedded Web server that allows remote management through a Web browser. 2D- Used item, it is sold as pictured, please STUDY MY ACTUAL PICTURES of this item NOT THAT GENERIC STOCK ONE to see what?s included with this sale and its overall condition. Do your research before buying to be sure it's what you need, there is a restocking fee for my items. I WILL WARRANTY THIS ITEM, PLEASE LEAVE MY CUSTOM-MADE WHITE SECURITY TAMPER STICKERS OR SERIAL NUMBERS INTACT ON IT. If you have any questions, please contact me BEFORE buying. Pay attention to the posted estimated delivery time, all my items are shipped SIGNATURE REQUIRED UPON DELIVERY for security. Please buy accordingly, Thanks Additional Details ------------------------------ Product description: The HP JetDirect 250M is an LIO print server module. It plugs into the LIO slot of certain HP printers and provides network connections for those printers. The print server connects to Ethernet or Fast Ethernet networks using twisted-pair cabling. The 250M supports several additional network operating systems and has upgradeable firmware. The print server includes an embedded Web server that allows remote management through a Web browser.