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Model 7276 RS232/RS530 A/B Auto Fallback Witch with Remote Control

M7276 is an RS-232 / RS-530 A/B Network Switch w/ Fallback & Remote Control Port allows the user the capability of sharing a single port interface device among two other devices connected to the A and B ports with remote access functionality.

Manufacturer - Electro Standards Laboratories
Model # - 7276
SKU - 307276
Submitted By - Electro Standards Laboratories (Manufacturer)
Country - United States
Category - Engineering : Network Switches : A/B Switch

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Model 7276 RS232/RS530 A/B Auto Fallback SwitchDiagram of Model 7276 Auto Fallback A/B Switch App


Connectors :   (3) DB25 (F)
Front Panel Controls :   Manual Pushbutton
Remote Control :   DB15 accepts Contact Closure from M4077
Power :   UL approved 120VAC, 60 Hz wall mount
Configuration :   Rackmount


Electro Standards Laboratories (ESL), Cranston, RI, has just announced its Model 7276 RS232/RS530 A/B Switch is now certified compliant with the following EMC Regulations: EN 55022:2006/A1:2007 Class A ITE Emissions Requirements (EU). ICES-003 Issue 4 Class A Digital Apparatus Emissions Requirements (Canada) and FCC 47 CFR Part 15 Class A Emissions Requirements (USA). Also certified compliant with Safety Regulation: EN 60950-1 including deviations to UL/CSA 60950-1 2nd edition.
This A/B Network Switch can be controlled via front panel pushbutton or remotely via Contact Closure Signals from Model 4077 (Cat.No. 514077) or similar device. The unit also has the ability to switch to backup automatically via Data Activity or DCD trigger monitor and then switches back when signals restore. Switch ports are transparent to all data and all pins of the DB25 interface are switched.

For a catalog of Electro Standards’ Network Switches, call 401-943-1164, email, or visit


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