Read Panasonic KX-NS0180X Service Manual online
16
KX-NS0180X
4.2.3.3.
DTMF Signal Detection
Each port has its own DTMF receiver in the codec.
Detection of DTMF signal by Codec transmits this data to the NS_MAIN via the FPGA.
Via the FPGA, NS_MAIN reads the DTMF signal which is received in the Codec.
Detection of DTMF signal by Codec transmits this data to the NS_MAIN via the FPGA.
Via the FPGA, NS_MAIN reads the DTMF signal which is received in the Codec.
4.2.3.4.
Power Supply
Voltage and current generated by the SLIC is supplied to the phones.
Preset voltage is -52V.
Current is set as 26mA.
Preset voltage is -52V.
Current is set as 26mA.
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