Transmitting Atm Alarms - Agilent Technologies OmniBER 718 SDH User Manual

ATM Operation

Transmitting ATM Alarms

Transmitting ATM Alarms

Description You can generate VP and VC AIS and RDI alarms to verify the response of the
ATM Network under test, and also generate VP and VC Continuity check cells to
keep the circuit alive during bursty traffic conditions.
Types of alarms available are: VP-AIS, VP-RDI, VP-CC, VC-AIS, VC-RDI and
VC-CC. The following tables show the expected responses of ATM VP and VC
switches to input conditions.
Downstream Alarms
LOS, LOF, LOP
MS-AIS, Path AIS
Upstream Alarms
Stimulus
LOS, LOF, LOP
MS-AIS, Path AIS
LCD
VP-LOC
VP-AIS
VC-LOC
VC-AIS
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Stimulus Response: VP switch Response: VC switch
VP-AIS
VP-AIS
LCD VP-AIS
VP-LOC VP-AIS
VP-AIS VP-AIS
VC-LOC none
VC-AIS none
Response: VP switch Response: VC switch
MS-RDI
Path RDI
Path RDI
none
none
none
none
VC-AIS
VC-AIS
VC-AIS
VC-AIS
VC-AIS
VC-AIS
VC-AIS
Response: VC end
MS-RDI MS-RDI
Path RDI Path RDI
Path RDI Path RDI
VP-RDI VP-RDI
VP-RDI VP-RDI
none VC-RDI
none VC-RDI
point
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