Westermo: Ethernet Line Extender

The DDW-142-485 provides high-speed network connections over existing cabling.
July 2, 2014
2 min read

This can make possible considerable cost savings when installing new systems where in the past the only option would have been fiber. The unit 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 and a RS-422/485 port enables legacy devices to be easily incorporated into the IP network. The extender is easy to set up, requiring no configuration for simple point-to-point communications. For larger networks, a Web interface is provided and a CLI allows even more complex configuration. The unit can operate in temperatures from -40 to +70 °C and where EMC and vibration levels are high. Total galvanic isolation and transient protection of the electronics contribute to a MTBF of 437,000 hours, ensuring high operational reliability and a long service life. The extender is transparent for multicast addressing, allows VPN (Virtual Private Network) pass-through for IPSec (Internet Protocol Security) and can be used with protocols like Modbus/TCP and PROFINET I/O.

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Westermo Data Communications
www.westermo.com
847.619.6068

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