Re: IBM rack ups issues -- MIDRANGE-L

Typically the PDUs DO NOT CHANGE THE VOLTAGE, they distribute it. So 2
options, run a 120vac circuit to the rack with it's own PDU, Power Strip or
?? The other is a Stepdown transformer. Places like Graybar and other
electrical supply companies should have them. If You have a FRY's ahndy I
have seem them there too.

On Sat, Feb 19, 2011 at 2:30 PM, Jim Franz <franz400@xxxxxxxxxxxx> wrote:

so how does one deal with rack equipment that must have 120 power only and
a
UPS that outputs 208/240 (and not spend big $$$)?
I've searched several pdu sellers, APC, TrippLite, & others and find they
expect your equipment to handle both(. The 9910 E65 has C13 & C19
receptacles so need a pdu with C14 or C20 to plug in,.
jim

----- Original Message -----
From: "DrFranken" <midrange@xxxxxxxxxxxx>
To: "Midrange Systems Technical Discussion" <midrange-l@xxxxxxxxxxxx>
Sent: Saturday, February 19, 2011 3:09 PM
Subject: Re: IBM rack ups issues

Unlikely the 720 is damaged as it auto-switches from 100 to 200v ranges.
That's one of the benefits of 'international power supplies' - they can
deal with about anything from round about 90 V up to 250 V or so with no
harm no foul.

This is however one down site to the rack mounted PDUs that have nothing
but the C13 outlets. They are valid for both 110V and 220V but just
lookin at 'em it's hard to say what's coming out! A DMM is your

friend!!!

- DrFranken

On 2/19/2011 11:39 AM, Jim Franz wrote:

They have backed down to the old UPS, will have to fix or replace

various

components, and don't know yet if they damaged the Power 720.
jim
----- Original Message -----
From: "Jeff Crosby"<jlcrosby@xxxxxxxxxxxxxxxx>
To: "Midrange Systems Technical Discussion"<midrange-l@xxxxxxxxxxxx>
Sent: Saturday, February 19, 2011 10:59 AM
Subject: Re: IBM rack ups issues

110v vs 220v?

All the plugs in our rack look like 110 but they're 220. Don't ask me
how
I
know that.

--
Jeff
Sent from my mobile. Please excuse the brevity, punctuation, and
spelling.

On Feb 19, 2011 10:37 AM, "Jim Franz"<franz400@xxxxxxxxxxxx> wrote:

Have a customer switching their standalone ups to a IBM (Eaton) rack
ups-same kVa, and when they plugged in a power cable from phone closet
that
had internet router it blew the power supply in the router. 2 other
older
pc's blew power supplies.
But the i and rest of servers/switches came up fine. I'm remote& can't
see
what's going on. Any ideas i can point them to? I've recommended they
call
svc on the UPS.
Jim Franz
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