Cmu50Pr (Call Metering-50Hz And Polarity Reversal Detection Unit) - LG-Nortel ARIA SOHO Hardware Description And Installation Manual

ARIA SOHO Hardware Description and Installation Manual Issue 1
BOARD INSTALLATION Aug, 2006

4.5.6 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, EMBU, CHB308 and CSB316.
FIGURE 4.5.6 CMU50PR
45