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Are you running multiple Cisco Catalyst 2950 or 3550 switches? If so, you're probably familiar with failed power supplies and the outages that they create. When you're running mission critical applications, there is just no room for downed switches, and so it is imperative that you have back-up power. To solve your power redundancy issue with in a single box, check out Cisco's PWR675-RPS-AC-N1 redundant power supply.
This unit will provide power backup with immediate failover capability for up to six Catalyst 2950 or 3550 switches. What do we mean by immediate failover? It means that in the event of an internal power supply failure, your switch will receive uninterrupted power backup preventing the unit from rebooting. The PWR675 sends a status update that will let you know when one of your internal power supplies has gone down and that no other switches can be supported until that power supply is restored or replaced. And at a low cost new or refurbished, it is easily worth the important data that you won’t lose in your next power supply failure.
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