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Electronic Equipment > Electrical System Protection > DC power system
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DC power system

by dinesh_kt@[EMAIL PROTECTED] Aug 7, 2007 at 08:46 AM

why telecom equipments prefer -48v/-24v to
+48v/+24v?




 2 Posts in Topic:
DC power system
 dinesh_kt@[EMAIL PROTECTE  2007-08-07 08:46:16 
Re: DC power system
 Ralph Barone <invalid@  2007-08-08 01:45:57 

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tan12V112 Sun Nov 23 2:56:47 CST 2008.