6.2. Detecting Layer 1 Alarms

For R4 on DM3, the DTI Network Interface API allows applications to retrieve alarm information that can be used to troubleshoot problems on line devices. The API provides the dt_setevtmsk( ) function to enable an application to configure which alarms are to be received. The detail on this function is as follows:

• dt_setevtmsk( ) -- enables and disables notification for events that occur on a Digital Network Interface logical board or time slot device. This function allows the application to set a bitmask of transition events. The bitmask determines which transitions cause an event to be generated.

When using this function, check for DTEV_E1ERRC or DTEV_T1ERRC for E1 or T1 events, respectively.

NOTE:

Since dt_getevtmsk( ) is not supported, the application must keep track of the bitmask of events previously set with the dt_setevtmsk( ) function.

See the Digital Network Interface Software Reference for more information.

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