Re: UPS 9910 cables to 170

[Philipp Rusch <Philipp.Rusch@xxxxxxxxxxxx>]

Hello Neil,
they grey (beige) end goes to the AS/400 end, I think this is kind of a 
reminiscence
to the old grey (beige) rack models ..   :-)
at least this is my way to remember it !

Greetings from germany, Philipp

Neil Palmer schrieb:

> My brain cells that contain a crucial bit of information have gone on
> strike.
> With an IBM 9910 (BEST) UPS connected to a model 170, the signal cables
> for UPS serial comm and CPM have a gray end and a black end.
> On newer systems there was a pin on the end of the cables to prevent you
> installing them the wrong way around, but older ones didn't have this.  If
> you connected the cables the wrong way the 400 would shut down.
>
> Question - does the gray end of the UPS signal/CPM cables go into the UPS
> (which I think is right), or does the gray end go into the 400 ?
> If I was at the office I could look at my own system and see the answer,
> but I'm out at a customer site.
>
> ...Neil
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