? Operating Modes: Virtual Com, Serial Tunnel, TCP Server, TCP Client, UDP

? Redundant multiple host devices:

? 5 host devices: Virtual COM, TCP Server, TCP Client mode;4 IP ranges: UDP

? NAT-pass through: user can manage TDS-5041-I-M12 through NAT router

? Security: SSL data encryption; secured management by HTTPS and SSH: IP Access: IP White List

? Internet Communication: PPPoE

? Update DNS Hostname: DDNS

? Event Warning by Syslog, Email, SNMP trap, Relay and Beeper