Avaya Configuring Line Services Manual de usuario Pagina 74

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Customizing LAN Interfaces
114078 Rev. A 3-17
Specifying the Maximum TTRT
The Maximum TTRT value must be
Greater than or equal to 10 ms
Greater than or equal to the value of the Requested TTRT parameter
Less than or equal to 1336.9344 ms
Refer to
Figure 3-7 for the range of values for T_Max Lower Bound, in relation to
the other TTRT parameters.
Editing FDDI Port Attributes
To edit the port attributes for an FDDI line:
1. Click on Expert at the Edit FDDI Parameters window.
The FDDI Advanced Attributes window appears (refer to
Figure 3-4).
2. Click on Port Attributes.
The FDDI Port Attributes window appears.
Specifying the LER Cutoff
The LER is an estimate at which a link connection is broken. The LER cutoff
ranges from 10
-4
to 10
-15
and is reported as the absolute value of the base 10
logarithm. By default, the LER cutoff is 10
-7
.
You can set the LER cutoff for an interface.
Specifying the Link Error Rate Alarm
The LER alarm rate is an estimate at which a link connection generates an alarm.
The LER alarm ranges from 10
-4
to 10
-15
and is reported as the absolute value of
the base 10 logarithm of the estimate. By default, the LER alarm is 10
-8
.
Site Manager: T_Max Lower Bound (ms) parameter: page A-10
Site Manager: LER Cutoff parameter: page A-11
Site Manager: LER Alarm parameter: page A-11
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