Re: DC power versus AC power

[Charles Sprickman <spork () inch com>]

On Sun, 29 Dec 2002, Scott Granados wrote:

> but I was curious about the 48V sources in switch rooms.

Don't forget there's a quiet yet resourceful list over at
datacenter () shorty com.  They love talking about this kind of stuff.

Additionally I wonder why non-conductive tools wouldn't be the norm in an
environment where there's an "open" power grid? :)

Charles

> ----- Original Message -----
> From: "David Lesher" <wb8foz () nrk com>
> To: "nanog list" <nanog () merit edu>
> Sent: Sunday, December 29, 2002 4:43 PM
> Subject: Re: DC power versus AC power
>
>
> > Unnamed Administration sources reported that Michael Painter said:
> > > > > But, as Stephen already eluded to... Compared with an AC plant
> design, to
> > > me, one of the biggest drawbacks of a DC plant is safety  (I have had to
> > > kick a fellow worker away from the rack before). <<
> > >
> > > What was the worker doing?  Is this 48 VDC?
> >
> > Bet so.
> >
> > And note, it's not just ISP's, of course. I heard that Sprint
> > PCS ha[s,d] a Dallas tech in critical condition and a dead switch
> > after a dropped wrench & resulting fire.
> >
> > In the words of Phil Esterhaus:
> >
> > Let's be careful out there....
> >
> >
> >
> >
> >
> > --
> > A host is a host from coast to coast.................wb8foz () nrk com
> > & no one will talk to a host that's close........[v].(301) 56-LINUX
> > Unless the host (that isn't close).........................pob 1433
> > is busy, hung or dead....................................20915-1433