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Electro Standards Laboratories

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Model 9449 Tri-Channel DB9 Switch Ideal for RS422 Applications

The Model 9449 provides simultaneous A/B switching for all three channels with a flip of a switch. Supports RS422 Applications with DB9 interfaces.

Cranston, RI, August 28, 2011 --( Electro Standards Laboratories (ESL), Cranston, RI, has just announced the Model 9449 Tri-Channel DB9 A/B Switch that allows quick connection to any one of two devices from one common device for each of its three channels. Ideal for supporting RS422 applications that have a DB9 connector interface.

The Model 9449 simultaneously switches all three channels with a simple turn of a rotary switch. Ideal for any computer room, office or lab, the M9449 eliminates the daunting task of unplugging and plugging cables when switching over critical networks during outages. The Model 9449 also provides computer network efficiency by allowing the sharing of peripherals. This slim, rackmount unit has anodized, black box packaging providing EMI/RFI shielding and has a lifetime guarantee against manufacturing defects.

For more information about Electro Standards’ Network Switches or cables, call 401-943-1164,, or All ESL products are available for export. Government Agencies contact Electro Standards for GSA pricing on COTS (Commercial-Off-The-Shelf) network switches.

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Electro Standards Laboratories
Jeannette Gouin

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