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Powerware 5125 1000VA UPS Review

Posted by Parth Barot on July 18, 2006

While an Uninterruptable Power Supply (UPS) is an often overlooked computer accessory, having one at that moment would have protected a PC from loss of power, and potentially given a user 20-40 minutes to save their work and shut down the programs and desktop computer safely.

While power failures are a rare occurrence in the city, it is not the only thing that can go wrong with the electricity supply from the utility. Utility power travels great distances and goes through many transformers before finally arriving at the socket in your wall; solar flares, sun spots, fallen trees, lightening and equipment failures can all contribute in one way or another to every thing from brownouts, spikes in voltage, unstable frequencies and just generally ‘bad’ power quality.

In the PCstats labs we tend to see the utility power fluctuate during the course of the working day, from 120V through to 127V at the end of the day. In the past we’ve even experienced the building’s transformer blow up… Suffice to say, there was plenty of acrid black smoke after the lights went out that time.

Now I’m sure you can imagine that after a power failure thoughts instantly turn to the topic of UPS backups for more than just key systems. While this used to be an expensive proposition, UPS’ have dropped down in price, and are now very affordable.

This is where the Powerware 5125 1000VA UPS kicks in, running for about $280USD ($370CDN) through online retailers. Powerware are a Raleigh North Carolina based company that specializes in consumer to professional level uninterruptable power supplies, and they support the 5125 UPS with a two-year Limited Warranty and $25,000 computer load protection guarantee. While there are many vendors selling UPS solutions, Powerware tend to differentiate themselves by offering features like network management consoles, replaceable batteries, and scalable power storage options that should payout in the longrun.

The Powerware 5125 is a Line-Interactive 1000VA UPS, and with additional Electronic Battery Modules (EBMs) can increase its overall power capacity to 2200VA or thereabouts should your future requirements increase. The UPS features Powerware’s own advanced battery management console, “buck and double boost” regulation to deliver constant voltage, hot swapable batteries, the ability to power up the UPS without utility power, sequential shut down and load management, network transient protector (surge protection), and the very handy X-slot communications port.

The X-slot is essentially a communications bay that comes standard with a serial cable port to allow you to manage the UPS. That serial cable port can be swapped out for a variety of other devices, including an SNMP/WEB adaptor which we’ll get to momentarily.

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