Panasonic KX-TEA308CE

11.19. CALL ID CARD INTERFACE (KX-TE82493X)
The CALLID interface for external line is composed of the interface which receives the CALLID signal from a station and main
board controller.
The CALLID signal from the external line is transmitted to the CALLID connector via a capacitor in the external circuit. As the control
signals, CS, address and data signals are connected to the connector.
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KX-TEA308CE