[PCR-1000] still power on problem (SOLVED!!!)

[R. J. Grasser]

As a rule of thumb, I toss the "wall wart" type powersupplies, and run all 
my DC gear off of a variable linear bench powersupply.  Never had any 
problems.

----- Original Message ----- 
From: "A10382" <a10382 at snet.net>
To: "Discussion of PCR-1000 by Icom" <pcr-1000 at mailman.qth.net>
Sent: Wednesday, May 02, 2007 9:42 AM
Subject: Re: [PCR-1000] still power on problem (SOLVED!!!)


> Or -- multiple 'grounds' of differing potentials.  Usually a problem in 
> commercial buildings ( typically in a multi-building campus) more often 
> than in a residence.  It usually shows its ugly head when trying to run 
> cables from building to building.  Sometimes, the best solution is as 
> noted below - use opto-isolators.
> =====
> Frank
>
> ._._.
>
>
> ----- Original Message ----- 
> To: "Discussion of PCR-1000 by Icom"
> Sent: Wednesday, May 02, 2007 8:56 AM
> Subject: Re: [PCR-1000] still power on problem (SOLVED!!!)
>
>
>> On Wed, May 02, 2007 at 12:25:26AM +0200, MN wrote:
>>> Hello together.
>>>
>>> Some weeks ago i posted my power-on problem here. Now I solved it.
>>> I explain it here, maybe somebody is interested what was wrong:
>>>
>>> The pcr1k and the pc were an different mains power plugs.
>>> There was a voltage difference between the pc and pcr1k, wich caused the
>>> problem, because there was a high current at the serial cable
>>> to the pcr. Now it works perfectly again!
>>>
>
>>
>> Well done. The voltage difference may indicate a problem with your
>> house (or office or apartment) power wiring, which you may want to
>> have an electrician investigate. I suppose you could build a box with
>> opto-isolators in it to provide DC isolation between the PC and the
>> PCR1K while still moving data between them. You also could just buy
>> one; there are several shown in a very quick Google search.
>>
>> The list is very quiet. If it's not dead, it's sleeping very soundly.
>> I'm glad to see your post.
>>
>> -- 
>
> ______________________________________________________________
> PCR-1000 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/pcr-1000
> Help: http://mailman.qth.net/faq.htm
> Post: mailto:PCR-1000 at mailman.qth.net
>
>