Cmu50Pr (Call Metering-50Hz And Polarity Reversal Detection Unit) - LG-Nortel ARIA SOHO Installation Manual
Hardware description and installation manual
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ARIA SOHO Hardware Description and Installation Manual
Issue 1
BOARD INSTALLATION
Mar, 2007
4.4.6 CMU50PR (Call Metering-50Hz and Polarity Reversal Detection Unit)
The Call Metering-50Hz and Polarity Reversal Detection Unit (CMU50PR) provides 3 Call Metering Detection circuits
for 50Hz and provides 3 channels of Polarity Reversal Detection for Call Metering or signaling. It can be installed on
MBU, CHB308 and CSB316.
FIGURE 4.5.6 CMU50PR
37
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