The Db9 1-Port Comtrol Devicemaster Rts is a single-port device server designed for network-enabled serial communications devices.When used with the included Ns-link controller software and a host PC, the Devicemaster Rts allows the placement of Com or Tty ports anywhere on an Ethernet network or over the Internet.In applications where connecting legacy serial devices to a computer without software changes is a requirement, a pair of Devicemaster Rts units can be used to create a point-to-point serial tunnel across the network that seamlessly transfers Serial data via Tcp or Udp Sock connections.The product complies with the European Directive Rohs 2002/95 / ec.