TU56/TC11 restoration - Power supply question

[dvcorbin at optonline.net]

> Is the H720 the correct power supply for the TC11/TU56
> combo, as is indicated in some document I've looked at? 
> I'm at work and don't have my notes.   Are there other
> compatible DEC power supplies that will work with the 
> TC11/TU56?
> 

On a related note...any special concerns on an initial powerup of a TU-56 that has not been turned on for possibly 5+ years....??