Read Panasonic KX-NS5170XSX / KX-NS5170X-SX Service Manual online
14
KX-NS5170X/KX-NS5170SX
• EXT-CID Transmission
The SLIC/CODEC generates the extension Caller ID signals (FSK signal) with the CPU board control.
The data flow is shown below.
The data flow is shown below.
1. The CPU board control signals are received.
2. PLD controls the tone generator inside SLIC/CODEC.
3. The SLIC/CODEC generates Caller ID signals (FSK).
4. Caller ID signals are sent to extension ports.
2. PLD controls the tone generator inside SLIC/CODEC.
3. The SLIC/CODEC generates Caller ID signals (FSK).
4. Caller ID signals are sent to extension ports.
DLC FPGA
(IC404)
SLIC/CODEC
(IC200A-C)
CPU Interface
FSK Signal (Analog Signal)
TONE
FSK
TONE1
TONE2
TONE=OFF
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