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Alarms
3166-A2-GB20-20
The DSU/CSU can be attached, either locally or remotely, to an ASCII terminal or
printer to display or print alarm messages. Alarms can also be displayed on a PC
that is using a terminal emulation package.
You can route these alarms to the COM port or dial them out using an external
device.
Each alarm message contains a customer identification to indicate which remote
DSU/CSU is reporting an alarm. For information about customer identification,
refer to
Displaying Unit Identity
Possible alarm messages are as follows:
H
Continuous Loss Of Signal detected at the Network
Interface.
H
Alarm Cleared. Loss Of Signal condition at the Network
Interface.
H
Continuous Out Of Frame condition detected at the Network
Interface.
H
Alarm Cleared. Out Of Frame condition at the Network
Interface.
H
Alarm Indication Signal received at the Network
Interface.
H
Alarm Cleared. Alarm Indication Signal at the Network
Interface.
H
An Excessive Error Rate has been detected at the Network
Interface.
H
Alarm Cleared. An Excessive Error Rate at the Network
Interface.
H
Yellow Alarm signal received at the Network Interface .
H
Alarm Cleared. Yellow Alarm signal at the Network
Interface .
H
Continuous Out Of Frame condition detected at synchronous
data port 1.
H
Alarm Cleared. Out Of Frame condition at synchronous data
port 1.
H
An Excessive Error Rate has been detected at synchronous
data port 1.
H
Alarm Cleared. An Excessive Error Rate at synchronous
data port 1.
March 1999
in Chapter 3, SDCP Operation .
Monitoring and Testing
4-11
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