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Westermo device server switch provides IP connection to legacy serial devices and routing functionality

4 October 2011

Westermo announces the release of its Lynx DSS compact device server switch for connecting legacy serial control and telemetry systems to the latest IP networks. With low data rate serial communications being replaced by higher bandwidth IP networks, the Lynx DSS helps to preserve any investment in existing systems, add functionality by supporting new equipment that requires additional bandwidth, and ensures trouble free industrial communications for many years.

Lynx DSS is an industrial Ethernet switch for managing applications with a combination of IP and serial connections. Providing a single unit solution the Lynx DSS replaces the need for multiple units. Powered by an updated version of the Westermo WeOS operating system, the device delivers enhanced serial to Ethernet connectivity, and support for dual serial networks, modem replacement functionality, and Modbus gateways. Legacy devices can be connected via two serial ports. One of these is configured for RS-232 and the other for either RS-232 or RS-422/485.

Two versions are available, the L208-F2G-S2 and L108-F2G-S2. The L108 supports a range of layer 2 switching functions that provide resilient, rapid recovering redundant ring Ethernet networks. The unit has four 10/100 Mbit/s ports and two further ports can be fitted with either Gbit or 100 Mbit SFP transceivers. In addition to these functions the L208 provides additional layer 3 networking functionality including routing, firewalls and VPN remote access.

With the increasing number of cyber attacks, advanced security is now critical for industrial networks. Remote, secure access to a network is provided using encrypted VPNs and a multi-port DMZ (demilitarized zone or subnet that is exposed to the Internet) can be constructed using the internal port-based-firewall-function. These functions support users wanting to communicate over potentially insecure networks and also help to prevent users inadvertently connecting to the wrong network.

Suitable for deployment in extreme operating conditions, the device is type-tested to meet industrial EMC, isolation, vibration and shock standards, and approved for use in relevant industrial applications, including Cenelec EN 50121-4 certification for railway trackside installations. The Lynx DSS has a wide operating temperature range from -40 to 70 °C. There is no fan or other moving parts, and the industrial grade components and a full metal IP40 enclosure - with no cooling holes that would allow the ingress of dust - contribute to the extremely high mean time between failures (MTBF) of over 500,000 hours, resulting in long trouble-free service life.

Lynx DSS is the most compact and energy efficient switch of its type on the market. The low power requirement of just 250 mA at 24V DC, results in a reduction in running cost over the life of the unit and helps companies reduce their power usage. With a footprint size of only 100mm x 50mm, the unit is easy to incorporate into machines and existing applications. A wide operating power requirement of 19-60V DC further increases the number of suitable applications.

The WeOS operating system has been developed as a cross platform solution. Available on the Westermo RedFox, Wolverine, Lynx and Falcon products, it provides a future proof and scaleable solution for industrial networking requirements.

Westermo provides a full range of industrial data communications solutions for demanding applications in the transport, water and energy markets among others. For more than 35 years Westermo has been at the forefront of technological development and often pushed the limits of what is technically possible. In order to provide the best possible support, we have local presence in more than 35 countries through our authorized distributors and own offices. Since 2008 Westermo has been part of the Beijer Electronics Group, a fast growing technology company with extensive experience of industrial automation, developing and marketing competitive products and solutions with focus on the user.

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