[c-nsp] -48vdc lab power

Mike mike-cisconsplist at tiedyenetworks.com
Thu May 22 14:16:00 EDT 2014


On 05/22/2014 07:30 AM, Julien Goodwin wrote:
> On 22/05/14 14:38, Mike wrote:
>>      So I have a whole pile of new Cisco ASR1k and ME3600's which are
>> intended for installation in a telco environment and all have -48vdc
>> power supplies. There is a necessary detour however, I need to set these
>> up in my lab environment so I can test configurations and get things as
>> dialed-in as possible in advance of physical installation out at the
>> telco locations. I don't want to buy AC power supplies for all of this
>> just for testing.... there has to be a suitable -48vdc power system
>> available somewhere that would be suitable to plug into my ac power and
>> have enough juice to run all of this? Does anyone have any recommendations?
> The magic search term is "48 rectifier" (actually -48, but you can't
> search for that on eBay).
>
> Tyco & Eltek are two of the common vendors.
>
> I presume you've actually confirmed that the sites are native-DC, that's
> getting increasingly rare.
>
Thanks both you and the previous poster who pointed me in the right 
direction. In this case, I'm in actual telco central offices and yes 
they are straight -48vdc all the way, ac is verboten.

Mike-



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