WIZnet Inc WIZ120SR Networking Module, 10/100 Ethernet, RS232, Serial

Direct Connection to Serial Devices that Adds Network Function in a Simple and Quick way, and Provide Firmware Customization
High stability & reliability by using W5100
Easy & Powerful configuration program
Support 2 Serial Ports
Support DHCP, PPPoE and DNS
Support PPPoE Connection for ADSL
Support static as well as dynamic IP setting
Support Password for the Security
10/100 Mbps Ethernet Interface, 230Kbps Serial Interface