The Transfer Switch – A Simple Way to Provide Power Redundancy for Single Inlet Network Devices

These days, it’s pretty difficult to think of a type of business that doesn’t rely on network technology or internet access to one degree or another. Given the importance of network communication in the modern office, it’s easy to see why it has become absolutely vital that the corporate network is always up and running and available to users, 24 hours a day, seven days a week, 365 days a year. In order to ensure the reliability and availability of the corporate network, many network administrators rely on power redundancy and automatic power fallback capabilities to prevent power outages and power supply instability from disrupting network communication.

Power redundancy is a pretty easy thing to accomplish if you’re starting from scratch and can have the budget for all new dual-inlet network devices, but what if you can’t afford new dual-inlet devices and are forced to make do with existing, single-inlet network elements? A transfer switch provides a simple-yet-economical solution for cases like this, by providing power fallback capabilities to existing, single-inlet network equipment.

Installation and operation of a transfer switch is deceiving simple. First, the transfer switch is connected to a primary power supply and a secondary, fallback power supply, and then the desired single-inlet devices are connected to the transfer switch. If the primary power supply fails or becomes unstable, the transfer switch automatically switches over to the secondary fallback supply, providing constant, uninterrupted power to the attached single-inlet network devices.

The transfer switch includes circuitry that detects power supply problems and automatically switches over to the fallback, secondary power supply if it senses that the primary power supply is not reliable. In some cases, the transfer switch also includes the ability to switch back to the primary power supply if it detects that the primary power supply is stable again.

A single transfer switch in the network equipment rack often allows network administrators to save thousands of dollars in equipment replacement costs by eliminating the need to replace older, single-inlet devices with new dual-inlet devices. This also effectively eliminates problems associated with configuring new dual-inlet devices to fit the requirements of your existing network application.

Power fallback and power redundancy are vital elements to ensure constant availability of important network elements, often when they’re needed the most. If your network budget doesn’t include the funds to purchase new dual-inlet devices (or if you just like to save money,) a power transfer switch can provide a simple and effective way to provide power fallback and redundancy capabilities to existing single-inlet devices without the costs and hassles of replacing those devices.

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