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The 'sticker' requirements for the 8203-e4b is 750W or .765 KVA so a
1000 VA unit would happily run the system. The actual power draw will
likely be significantly less than 750, I measured one with 8 drives, and
4 SSDs and it was closer to 100 Watts!
Of course you may want more than just the system unit on the UPS so pay
attention to the requirements of that equipment.
Then you need to calculate run times. If you need 30 minutes do the math
and be sure to allow for shutdown time and a little reserve.
If you want the UPS signal cable you'll need to assure that you get the
proper interface on the UPS and BOTH (Yes there are TWO) cables required
to interface the E4B to the UPS's cable. (Note also that the UPS cable
is *ONLY recognized if properly connected at the time the system power
is applied, an IPL is NOT enough.)
If you have a generator be POSITIVE that the unit selected is Generator
friendly. Most units below about 3KVA are not happy with generator power
and will either stay on batteries or release the magic smoke.
- Larry "DrFranken" Bolhuis
On 5/11/2011 7:18 PM, Raul A. Jager Weiler wrote:
Finally time to upgrade has come,
We just got a new power 720 Express (8202-E4B)
Which size UPS will be advisable for this computer?
TIA
Raúl
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