MODMER / Interfészek / ATM

ATM interface - Test and maintenance fuctions

Errors of the interface indicated by maintenance signals to the operator. Measuring equipments examining the interface have maintenance signal indication functions, too.

Maintenance signals of ATM interface:

Signal: Description
AIS (Alarm Indication Signal)
It is send transmitter interface if it is failed.

RDI (Remote Defect Indication)

+-------+ +-------+ | ATM A |--->--- x --->----| ATM B | RDI | |--------<---------| | +-------+ +-------+

Signal:	Description
AIS	(Alarm Indication Signal) It is send transmitter interface if it is failed.
RDI	(Remote Defect Indication) +-------+ +-------+ \| ATM A \|--->--- x --->----\| ATM B \| RDI \| \|--------<---------\| \| +-------+ +-------+