I'm quite sure the 620 will be unhappy with 120V. 'The Book' on those
systems says 200 to 240V 50 or 60hz. There is a UPS integrated into the
PDU for that system (from Deltec) and I suspect that won't even light
off at 110V. As to single .vs. 3 phase I'm quite certain it will run on
3 phase though technically you will be running on 2 out of the three
phases. Some UPSs will not even start in that mode as they detect 'input
phase rotation but I don't think the deltec units cared.. This is where
the two legs are out of phase which they certainly are (on purpose!)
with 3 phase.

I guess I'd plug it into 110V and see what it does (or doesn't) do.

- Larry

Tom Jedrzejewicz @ San Pedro wrote:

>I have an older 620 at a backup facility, and the older UPS there is on it's 
>last legs.  The UPS is a 208V, and the AS/400 have a 208V power cord.  If 
>memory serves, the 620 actually has an auto-selecting input power supply, and 
>I can use a 120V UPS instead.
>Can any of you confirm if that is the case?

Larry Bolhuis IBM eServer Certified Systems Expert:
Vice President iSeries Technical Solutions V5R2
Arbor Solutions, Inc. iSeries LPAR Technical Solutions V5R2
1345 Monroe NW Suite 259 iSeries Linux Technical Solutions V5R2
Grand Rapids, MI 49505 iSeries Windows Integration Technical Solutions V5R2
IBM eServer Certified Systems Specialist
(616) 451-2500 iSeries System Administrator for OS/400 V5R2
(616) 451-2571 - Fax AS/400 RPG IV Developer
(616) 260-4746 - Cell iSeries System Command Operations V5R2

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