Maxim Integrated 73M1866B/73M1966B Reference Driver - Manual (Page 17)

UG_1x66B_015 73M1866B/73M1966B Reference Driver User Guide
Rev. 2.7 17
5.2.4 M1966_ONH_NOPOH_DETECT
This event is generated when a parallel phone goes back on hook while the FXO line is in on-hook state.
Parameters
Data Type Name Description
unsigned int event_id M1966_ONH_NOPOH_DETECT .
unsigned int channel_id Channel ID.
unsigned int event_cnt Number of events that remain in the queue.
unsigned int event_data1 N/A.
unsigned int event_data2 N/A.
unsigned int event_data3 N/A.
unsigned int event_data4 N/A.
5.2.5 M1966_ONH_POLARITY_CHG
This event is generated when there is a voltage reversal occurs on the line while in on-hook state.
Parameters
Data Type Name Description
unsigned int event_id M1966_ONH_POLARITY_CHG .
unsigned int channel_id Channel ID.
unsigned int event_cnt Number of events that remain in the queue.
unsigned int event_data1 N/A.
unsigned int event_data2 N/A.
unsigned int event_data3 N/A.
unsigned int event_data4 N/A.
5.2.6 M1966_OFH_POLARITY_CHG
This event is generated when there is a voltage reversal occurs on the line while in off-hook state.
Parameters
Data Type Name Description
unsigned int event_id M1966_OFH_POLARITY_CHG .
unsigned int channel_id Channel ID.
unsigned int event_cnt Number of events that remain in the queue.
unsigned int event_data1 N/A.
unsigned int event_data2 N/A.
unsigned int event_data3 N/A.
unsigned int event_data4 N/A.