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Chapter 3: Terminal Menu Operation and Structure
When bandwidth is needed for another application, the idle timer is compared
to this preempt time. If the idle timer is greater, the connection is preempted.
If set to 255 (def), the connection is never preempted. If set to 0, the connection
is disconnected immediately when another application is requested.
Bandwidth/Upper Threshold
Write security: 3; Read security: 5
This is the percentage of bandwidth that must be at least present on one B-
channel before a second B-channel is added. The range is 0 to 100 and is in per-
centages. The default is 80%, which is equivalent to 51.2 kbps. See the section
Bandwidth/Samples (below) for more information on how the bandwidth rate is
calculated.
Bandwidth/Lower Threshold
Write security: 3; Read security: 5
This is the percentage of maximum bandwidth the bit rate must go below on
two B-channels before one is dropped. The range is 0 to 100 and is in percent-
ages. The default is 30%, which is equivalent to 38.4 kbps. See the section
Bandwidth/Samples (below) for more information on how the bandwidth rate is
calculated.
Bandwidth/Min Channels
Write security: 3; Read security: 5
This represents the minimum number of B-channels that must be up for this
Connection List profile. This value ranges from 0 to 2. The default is 0.
Bandwidth/Max Channels
Write security: 3; Read security: 5
This represents the maximum number of B-channels this Connection List pro-
file can have. The allowed values are 1 and 2. The default is 2. A value of 1
means that no extra bandwidth can be obtained for this connection.
Bandwidth/Samples
The parameters under this menu control the rate at which the Express L128/
L128T samples the bandwidth on the B-channel(s).
Samples/Sample Rate
Write security: 3; Read security: 5
This is the time between samples used for calculating data rates on the ISDN
call. The value is in seconds and ranges from 1 to 255. The default is 5 seconds.
78
Express L128/L128T User Manual
61202.070L1-1
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