Aug 27, 2010 #1 tabscoob Programmer Joined Apr 12, 2005 Messages 5 Location MX hi all I need to know which is the nominal voltage CS100 I have to select a line protection module. My phone system has m3900 series thanks Sincerilly Pedro Garcia
hi all I need to know which is the nominal voltage CS100 I have to select a line protection module. My phone system has m3900 series thanks Sincerilly Pedro Garcia
Aug 27, 2010 #2 SYQUEST Technical User Joined Oct 20, 2002 Messages 2,913 Location US I believe the normal loop voltage for analogue and digital stations is -48VDC. ....JIM.... Upvote 0 Downvote