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The Comtrol DeviceMaster Serial Hub 8-Port is an eight-port device server designed for network-enabling serial communications devices. When used with the included NS-Link driver software and a host PC, the DeviceMaster Serial Hub enables placement of COM or TTY ports anywhere on an Ethernet network or across the Internet. In applications where connecting legacy serial devices to a PC without software changes is a requirement, a pair of DeviceMaster Serial Hub units can be used to create a point-to-point serial tunnel across the network that seamlessly transfers serial data via TCP or UDP socket connections. Product is fully compliant with the RoHS Directive.