August 2007
News Release

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Control Solutions, Inc. - Minnesota

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CTRLink̉ Ethernet Managed Switches Now With Industry Standard Redundancy

New Products
Past Issues


Contemporary Controls Offers RSTP on the EICP_M, the EISX_M and the EISB_M Series

Control Solutions, Inc Downers Grove, IL (August 23, 2007)― In addition to the RapidRing̉ proprietary redundancy, Contemporary Controls now offers RSTP (Rapid Spanning Tree Protocol) that provides extensively flexible redundant networking architecture on all of its managed switches.

By adhering to IEEE 802.1D, these devices can interoperate with other vendors’ products when using RSTP unlike other proprietary redundancy protocols. RSTP provides the ability of the network to automatically repair more link failures than most proprietary rings.

R&D Manager Bennet Levine says RSTP continually checks the network, so that if a link fails or the topology changes, the network is automatically reconfigured to compensate for the change. “It is fast enough for many Industrial Ethernet implementations.”

All CTRLink managed switches provide RSTP in addition to many other management functions such as SNMP, IGMP Snooping, Port Mirroring, Quality of Service (QoS), VLAN, etc. These products include the EICP_M, the EISX_M and the EISB_M Series ranging from 8 to 24 ports in copper or copper/fiber models. The EICP_M series is suited for industrial temperatures of 0°C to +60°C and the other products are designed for outdoor situations where extended temperatures (-40°C to +75°C) are expected.

To learn more about RSTP, visit


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