RE: COs with nominal -60 VDC power feed

2006-11-14 Thread emc-p...@ieee.org
> From: Joe Randolph > Sent: Tuesday, November 14, 2006 9:11 AM > > Hi Naftali: > > > Under the definition of TNV-2 in EN 60950, > up to 120 VDC is allowed (as opposed to 60 VDC in UL 60950). Joe, et al - Although not relevant to Naftali's question, check §1.6.1.2 of CSA/UL 60950-1, where dc

Re: COs with nominal -60 VDC power feed

2006-11-14 Thread emc-p...@ieee.org
On 11/14/2006, Naftali Shani wrote: Probing the collective knowledge of the group here: which are the known countries/regions/carriers/etc that still run their COs from nominal -60 VDC? If memory serves me correctly (as of the last millennium) there were some locations in Germany and Austria –

Re: COs with nominal -60 VDC power feed

2006-11-14 Thread emc-p...@ieee.org
Naftali: There maybe some countries in South America as well, such as Argentina. Kevin Keegan Senior Associate KES & Associates 1 Stonecroft Terrace Kanata, Ontario Canada K2K 2V1 Tel: 613-592-0820 Email: kkee...@kesandassociates.com Web: http://www.kesandassociates.com Regulatory Approval Forum