The Power Transfer Switch – Avoid Waste While Adding Power Fallback Capabilities

In tight economic times, it makes sense to do one’s best to always get the most benefit out of things that you’ve already paid for. It doesn’t matter if you’re talking about a tube of toothpaste or single power-inlet network equipment; a wise budget manager will always try to squeeze every last bit of usable resources out of anything that they paid good money for. But while squeezing every usable drop of toothpaste out of the tube might be relatively easy, it’s not nearly as easy to to get additional use out of single-power-inlet network equipment if you need to implement a power redundancy solution … or is it?

When implementing a power redundancy solution, single-power-inlet equipment is often the first thing to get tossed; but it doesn’t have to be that way. Although a network device that only includes a single inlet might seem to have no place in a world where power fallback and redundancy are now the norm, many network administrators might be surprised to learn that a power transfer switch can actually provide the same power fallback and redundancy capabilities to single inlet equipment that are available to a brand new (expensive) dual-power-inlet network device.

A power transfer switch provides a simple, yet effective means to add power fallback capabilities to existing single-power-inlet devices, without the expense or configuration hassles that are inevitable with new dual-power-inlet devices. Instead of throwing out perfectly functional single power inlet devices, they can be easily connected to a power transfer switch, which is then connected to your primary power source and back-up power source. In the event that your primary power source fails or become unstable, the power transfer switch will almost immediately begin drawing power from your secondary power source, providing uninterrupted device operation and reducing network downtime. A high quality power transfer switch can often support switchover times as brief as eight to twelve microseconds; fast enough that the switchover is undetectable by both user’s and connected devices.

In addition to being able to switch from a primary power supply to a secondary power supply, a well-designed power transfer switch can also switch back to the primary power supply in the event that the power transfer switch determines that the primary power supply has returned to normal status. This helps to save the secondary power supply for when it’s really needed.

You don’t have throw out perfectly good single inlet network devices in order to implement a truly effective power redundancy solution! An economical power transfer switch can provide single inlet devices with the same power redundancy and fallback capabilities as are found on dual inlet devices, without the expense of buying new network devices, or the hassles of configuring new devices to work with the rest of your existing network infrastructure. For network engineers who need to add power redundancy capabilities to existing network operations, a power transfer switch offers the best of both worlds; effective, reliable power fallback, without the waste of replacing single inlet devices that are still perfectly useful.

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