Ethernet Switches route relevant signals around line breaks.
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Press Release Summary:
DIN-mount ESW 405-series ring-redundant 10/100 Mbps Ethernet switches read header frame of each Ethernet packet so they know how and where to forward it, providing redundancy and increasing available bandwidth. Offered in heavy-duty aluminum case (ESW 405M) or industrial plastic case (ESW 405P), products include 5 RJ-45 Ethernet ports as well as one RS-232/485 port on single RJ-45 connector. Each switch also has 2 independent DC power supplies.
Original Press Release:
Ethernet Switches Work Around Line Breaks
New CyberResearch(r) ESW 405-series ring-redundant 10/100 Mbps Ethernet switches read the header frame of each Ethernet packet so they know how and where to forward it. This capability both provides redundancy and increases available bandwidth.
Rugged DIN-mount ESW 405 switches from CyberResearch, Inc. come with a heavy-duty aluminum case (ESW 405M) or an industrial plastic case (ESW 405P). Both styles are functionally identical and include five RJ-45 Ethernet ports as well as an RS-232/485 port on a single RJ-45 connector, so you can communicate with both serial and Ethernet devices or peripheral switches. Each ESW 405 switch has two independent DC power supplies for enhanced reliability. Legends printed on the sides of the cases give switch settings and LED meanings.
One limitation of conventional Ethernet networks is that line breaks cut off contact with downstream devices. CyberResearch ESW 405 switches detect a break in the ring and route relevant signals around it. More rings provide more protection. Double rings protect against a simultaneous single break in each ring. Contact CyberResearch for additional ways to use ESW 405 Ethernet switches to provide redundancy.
In addition to ESW 405 Ethernet switches - now shipping from stock from $525 - CyberResearch, Inc., also offers rugged industrial PCs and monitors, as well as SBCs, data acquisition, and motion control. For more information, call Joe Tetreault at 800-341-2525, or visit http://www.cyberresearch.com/esw.
CyberResearch(r) is a registered trademark of CyberResearch, Inc. All other trademarks used herein are the property of their respective holders.
To request a free copy of the PC Systems Handbook for Scientists and Engineers, call 1-800-341-2525 or e-mail handbook@cyberresearch.com. Outside of the U.S. please call 203-483-8815 or fax 203-483-9024.
