The STE-516C features 16 universal RS-232/422/485 serial ports and comes with 19-in. rack mounting hardware. It also supports Web interface configuration and comes with Virtual COM software free of charge. Other features include hig-speed ARM9G20 (400 MHz) CPU; dual 10/100 Ethernet, LAN and WAN communication; easy-to-use Windows Utility, COM Port Redirector and TestView; and support for TCP, UDP, Telnet, ICMP, DHCP, TFTP, HTTP, SNMP 1/2/3, SSH and SSL.