Back Ups

Slutzy · 06-24-2002, 06:08 AM

Anyone know where I can get a decent BACK UPS for under $50?

Thanks!

Jeffbx · 06-25-2002, 04:04 AM

Are you looking for backup software to back up your files, or a UPS - uninterruptible power supply?

Slutzy · 06-25-2002, 05:31 AM

I need a power supply to protect against surges and to give me 10-15 minutes of "up" time.

ribitch · 06-25-2002, 06:36 AM

Quote:

Originally posted by Slutzy
I need a power supply to protect against surges and to give me 10-15 minutes of "up" time.

my office just bought a belkin 1200VA from staples foir 160.00 and a small 500VA HP that was on clearance for 30.00 (originally 90)

what size monitor and how many watts of power is your system using? That would help us better find a solution for you. 10-15 minutes of backup can vary allot between systems.

We have our switch on a old 700 from APC (batteries need replacing), the (linux)router on the HP, and our fileserver and webserver both on the 1200.

Jeffbx · 06-26-2002, 05:49 AM

Little known facts:

#374 - How to properly size a UPS.

UPSs are rated by VAs - Volt Amps. For example, an APC 600 is rated for (you guessed it) 600VAs. How do you know how much you need?

Look on the back of your PC (or on the power supply if you built your own). Look for the number that will say something like:

AC 100-240V 3.5/1.5A or something similar (these are lower than a PC - from my laptop). In North America, you take the higher A number & multiply it by the voltage, normally 110. 110x3.5 = 385VA. Overseas, 240x1.5=360VAs.

Add up everything that you want to connect to the UPS. The total is the absolute minimum VA rating you will have to buy. So you come up with 600VAs. The APC 600 will give you about 3-5 minutes of uptime. If you want more uptime, you'll want to go to a higher rated unit.

Now that you know the basics, you can also take the easy way out & use the tool from APC:

http://www.apcc.com/template/size/ap...le_workstation

06-24-2002, 06:08 AM	#1
Slutzy Lieutenant Junior Grade Join Date: Jan 2002 Location: Washington, DC Posts: 57	Back Ups Anyone know where I can get a decent BACK UPS for under $50? Thanks!

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06-25-2002, 04:04 AM	#2
Jeffbx Fleet Admiral Join Date: Mar 2000 Location: Michigan Posts: 9,390	Are you looking for backup software to back up your files, or a UPS - uninterruptible power supply?

06-25-2002, 05:31 AM	#3
Slutzy Lieutenant Junior Grade Join Date: Jan 2002 Location: Washington, DC Posts: 57	I need a power supply to protect against surges and to give me 10-15 minutes of "up" time.

06-26-2002, 05:49 AM	#5
Jeffbx Fleet Admiral Join Date: Mar 2000 Location: Michigan Posts: 9,390	Little known facts: #374 - How to properly size a UPS. UPSs are rated by VAs - Volt Amps. For example, an APC 600 is rated for (you guessed it) 600VAs. How do you know how much you need? Look on the back of your PC (or on the power supply if you built your own). Look for the number that will say something like: AC 100-240V 3.5/1.5A or something similar (these are lower than a PC - from my laptop). In North America, you take the higher A number & multiply it by the voltage, normally 110. 110x3.5 = 385VA. Overseas, 240x1.5=360VAs. Add up everything that you want to connect to the UPS. The total is the absolute minimum VA rating you will have to buy. So you come up with 600VAs. The APC 600 will give you about 3-5 minutes of uptime. If you want more uptime, you'll want to go to a higher rated unit. Now that you know the basics, you can also take the easy way out & use the tool from APC: http://www.apcc.com/template/size/ap...le_workstation

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