Dear All,

I would like to investigate (to UL1950 Third Edition) a unit intended for
N. America with an HDSL interface having max 260 Vdc between the lines and
130 V between each line and earth. The maximum current limitation is 75 mA.
How is this interface treated? 

Since it does not meet the requirements for TNV-1, TNV-2, TNV-3, I believe
it should be treated as a secondary hazardous circuit but also applying the
requirements for Overvoltage and output current limiting requirements.

Also, does any one know the status of HDSL with FCC? 
Peter Merguerian
Managing Director
Product Testing Division
I.T.L. (Product Testing) Ltd.
Hacharoshet 26, POB 211
Or Yehuda 60251, Israel

Tel: 972-3-5339022 Fax: 972-3-5339019
e-mail: [email protected]
website: http://www.itl.co.il 






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