Westermo: Ethernet Line Extender for Use with Existing Cabling

Aug. 7, 2012
The DDW-142 uses SHDSL technology to establish a high-speed connection between Ethernet networks using any existing copper cables.

The extender is a fully managed device with Layer 2 switch functionality that enables effective Ethernet networks to be created over distances of up to 15 km. Data rates of up to 30.4 Mbits/s are possible, making the device suitable for connecting complex networks that may include a large number of devices requiring high bandwidth. An integral 2-port 100 Mbit switch allows two Ethernet devices to be attached, while an RS-232 port enables legacy devices to be incorporated easily into the IP network. The unit requires no configuration for simple point-to-point communications. For larger networks, a web interface is provided and a CLI allows even more complex configuration. A cable distance calculator enable installers to calculate the speed and achievable distances using different types of cable. Once installed, SHDSL diagnostics and management functions enable indication of line degradation, allowing planned maintenance. Should maintenance be required, a back-up and restore facility enables configurations to be quickly downloaded from a USB stick.

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