[Asterisk-Users] ISPCON Mini-emergency: ATA186 Power Cube OKonSPA841?

[Terry H. Gilsenan]

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of 
> trixter http://www.0xdecafbad.com
> Sent: Tuesday, 24 May 2005 9:53 AM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: RE: [Asterisk-Users] ISPCON Mini-emergency: ATA186 
> Power Cube OKonSPA841?
> 
> On Tue, 2005-05-24 at 09:41 +1000, Terry H. Gilsenan wrote:
> > Hi,
> > 
> > I have used the Cisco ata186 powersupply in the SPA1000 and 
> it worked 
> > fine (ditto for the reverse)
> > 
> > Regards,
> > T
> 
> The biggest thing to watch is that the amperage is at least as high.
> The device wont draw more than it needs (not true of voltage 
> but is true of amperage) but if you try to draw more than the 
> transformer outputs it will get really hot and eventually the 
> transformer will die. 
> 
> Polarity is aparently the same (most use center positive to prevent
> accidental shorting), but should be marked    
>   - ----C ---- +
> something like that so you can tell if its the same.  
> 
> In a conference hall odds are power is unclean (especially 
> with long extension cords where you get more hramonic 
> distortion and such) and RMS is lower than stated, but it 
> shouldnt be too big of a problem for that..
> 

I found that the voltage, current and polarity for the two supplies are
identical.

I have also used them interchangeably for about 12 months in .au and .pg