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Turning on a server PSU Delta DPS-1200AB-4

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AmmoJammo:
I purchased two of these, have attempted to test one, but failed to get it to turn on.

(see attached datasheets) 550w is the same pinout as the 1200w.

I have pulled A21 (PSON) low (connected to the negative output?), I have tried connecting A24 (+12VRS) to the positive output and A23 (RETURN_S) to the negative output.
I've also tried pulling B29 (A0) low, as I thought that may have been needed to address it as PSU1... but nothing!

Ideas?

Thanks!

coromonadalix:
try at rcgroups ?

Mechatrommer:
https://www.rcgroups.com/forums/showthread.php?1621433-Delta-DPS-1001AB-1-48V-700w-1000w-Delta-DPS-1500AB-A-Full-Pinout it seems so simple, just ps_kill and ps_on to gnd.. my $15 each Dell 750W PS-2751-5Q requires soldering resistors.

AmmoJammo:

--- Quote from: coromonadalix on September 12, 2022, 11:41:47 pm ---try at rcgroups ?

--- End quote ---

There's nothing there.

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