Ethernet Extenders

The DDW-242 and DDW-242-485 from Westermo deliver secure and resilient networking, even in extreme industrial environments.

Aw 93712 1602np Westermo

The units are used to establish long-distance, high-speed remote connections between simple or complex Ethernet networks using existing copper cables, reducing installation time and cost. They enable Ethernet networks to be connected over distances of up to 15 km, at data rates up to 15.3 Mbit/s on a single twisted pair cable. Using two pairs bonded, the rate can be doubled to support applications requiring larger bandwidths. An integral switch allows two Ethernet devices to be attached, and a choice of either RS-232 or RS-485 serial port enables legacy equipment to be incorporated into the IP network. To help improve cyber security the units include full layer 3 functionality and IP security provided by the company's WeOS operating system. A web interface and command line interface support configuration of large and complex networks. Should maintenance be required, a back-up and restore facility enables configurations to be quickly downloaded from a USB stick. The devices include a built-in port-based firewall securing data between trusted and un-trusted networks; NAT rules - a way to make systems that are configured with private IP addresses appear to have public IP addresses; and VPN tunnels for encrypting data on the 'last mile' section of the network.

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Westermo Data Communications

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