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V i p e r s a t C o nf i g u r a t i o n
Stats Accumulation Window
Entering W at the command prompt displays the Stats Accumulation Window
as shown in figure 3-36. The time period, in seconds, for capturing STDMA
statistics can be specified.
Figure 3-36
Stats Accumulation Window prompt
Clear
The STDMA statistics can be Cleared (reset) by entering a C at the command
prompt in figure 3-34.
Show Hub Statistics
Entering a W at the command prompt in the STDMA screen displays the
current statistics for the target CDD-56X Hub as shown in figure 3-37.
Figure 3-37
Show Hub Statistics screen
The Burst Controller monitors statistics in the received ACK from each Remote.
The statistics report the fill status of the STDMA buffers. The Burst Controller
builds a table of the group and calculates the relative buffer fill for each Remote.
It then calculates the length of the Data Slot for each Remote based on the Mini-
mum Slot Size plus a percentage of the Available Bandwidth. Idle remotes
would receive a Data Slot equal to the Minimum Slot Size.
V i p e r s a t C D D - 5 6 X S e r i e s U s e r G u i d e
3-28
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