Support Dhcp, Automatically Obtain An Ip Address And Query Ip Address Through Serial Protocol Setting Dns Support Function Set The Parameters Through The Web Page Firmware Update Via The Network Auto-mdi / Mdix, Rj45 Port With 10/100 Mbps Serial Port Baud Rate From 600 Bps To 230.4 Kbps, Control Bits Of None, Odd, Even, Mark And Space Working Modes: Tcp Server, Tcp Client, Udp Client, Udp Server, Httpd Client Support Virtual Serial Port And Provide Corresponding Usr-vcom Software Heartbeat Package Mechanism To Ensure The Connection Is Reliable, Put An End To Dead Link User-defined Package Registration Mechanism, Check Connection Status And Use As The Packet Header In Tcp Server Mode, Client Number Ranges From 1 To 16; Default Number Is 4 The Global Unique Mac Address Bought From Ieee, The User Can Define Mac Address Factory Default Reset Through The Gateway, Switch, Router Can Work In Lan, Also Can Work In Internet (external Network) Provide Pc Tcp / Ip Programming Test Socket Such As Vb, C ++, Delphi,