Fieldbus & Industrial Networking


Ethernet switch offers redundant ring technology

May 2006 Fieldbus & Industrial Networking

Acromag's new 8-port web-managed industrial switch supports many powerful industrial Ethernet features such as redundant ring technology, port VLAN, quality of service (QoS), Internet Group Management Protocol (IGMP) snooping, and failure alarm by relay output. This switch has six 10/100Base-TX ports and two 100Base-FX ports for extending communication distance from 2 km (multimode fibre) to 30 km (single-mode fibre). The EIS-408 also has redundant DC power inputs for power supply redundancy. With the web-based configuration interface, this switch ensures easy installation and management of switches. The IP30 robust aluminium case and 300 000 hours of MTBF make the EIS-408 a great solution for enhancing industrial networking automation.

A critical criteria for industrial automation applications is the ability to ensure non-stop system operation. If a minor failure in the communication process occurs, substantial damage in terms of extra time and monetary losses can occur.

EIS-408 Series switches can prevent such disasters. With self-healing redundant ring technology, the EIS-408 provides the user with a self-recovery mechanism. If any segment of the primary communication path is broken or disconnected, redundant ring technology allows this switch to self-reconfigure and to provide a redundant path in the network. With ultra-fast recovery time (less than 300 ms), mission-critical applications are protected from any network interruptions or temporary malfunctions. Users will not even notice a network failure.



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