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ATM Operation
Transmitting ATM Alarms
The following figure illustrates an example where the ability of a network element
to recognize and respond to AIS and RDI alarms is tested.
AIS/RDI Alarm Testing
TEST SET 1
TRANSMITTER
RECEIVER
How to
1 Set up the Transmitter for ATM (See "Setting up the Transmitter for ATM
Payloads " page 154).
2 Select the Transmitter
as
3 Move the down cursor to OAM ALARM TYPE and select the alarm you require
to test your network element.
OAM cells are transmitted when the OAM ALARM TYPE has an alarm selected.
For VP or VC AIS, any channel with the same VP or VC is suspended and the OAM
cell is transmitted once per second. For VP or VC RDI the OAM cell is interspersed
with the foreground channel.
166
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AIS
NETWORK
ELEMENT
RDI
TEST FUNCTION
.
ATM
TEST SET 2
AIS
RECEIVER
folder, and select TEST FUNCTION
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