Maxim-integrated 73M1822/73M1922 Control Module Manuale Utente Pagina 17

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UG_1x22_053 73M1822/73M1922 Control Module User Guide
Rev. 1.0 17
5.2.4 M1X22_NOPOH_DETECT
This event is generated when a parallel phone goes on hook.
Parameters
Data Type Name Description
unsigned int
event_id
M1X22_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 M1X22_POLARITY_CHG
This event is generated when there is a voltage reversal occurs on the line.
Parameters
Data Type Name Description
unsigned int
event_id
M1X22_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 M1X22_RING_DETECT
This event is generated at the beginning of the ring burst.
Parameters
Data Type Name Description
unsigned int
event_id
M1X22_RING_DETECT
.
unsigned int
channel_id
Channel ID.
unsigned int
event_cnt
Number of events that remain in the queue.
unsigned int
event_data1
Ring burst frequency (in Hz)
unsigned int
event_data2
N/A.
unsigned int
event_data3
N/A.
unsigned int
event_data4
N/A.
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