Read Panasonic KX-NS0290CE Service Manual online
10
KX-NS0290CE
4.3.1.3.
DTMF Signal Detection
Each port has its own DTMF receiver in the codec.
Detection of DTMF signal by Codec transmits this data to the MPR via the NS_MAIN.
Via the FPGA, MPR reads the DTMF signal which is received in the Codec.
Detection of DTMF signal by Codec transmits this data to the MPR via the NS_MAIN.
Via the FPGA, MPR reads the DTMF signal which is received in the Codec.
4.3.1.4.
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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