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iDSL Near End Performance Interval 147
Models 2616RC, 3096RC & 3196RC Admin Reference Guide 10 • iDSL (Model 3196RC)
Figure 81. System History Overview window (Model 3196RC shown)
Back To System History Page hyperlink
Click the Back To System History Page link (see figure 80 on page 146) to display the System History Overview
window (see figure 81). For a detailed description of the System History Overview window, see chapter 17, “Sys-
tem” on page 245.
To Port Details Page hyperlink
Click the To Port Details Page link (see figure 80 on page 146) to display the Port Details window. For a com-
plete description of the Port Details window, see section “iDSL Port Details window” on page 140.
Error Statistics table
The iDSL Port History of Near End Performance window displays iDSL Port error statistics in a table of 96 rows.
Each row shows error statistics counted during a 15-minute interval, starting with the most recent 15-minute
interval (at the top of the page) and moving chronologically backward as you scroll down the page. The first
row (row 1) shows the most recent 15-minute interval, Interval number 1. The last row (row 96) shows the
oldest 15-minute interval, Interval number 96. (15 minutes x 96 rows = 24 hours).
• Interval Number—Indicates the number of the completed 15 minute interval. The Interval Number may
range from 1 to 96, where 1 is the most recently completed 15 minute interval and 96 is the least recently
completed 15 minute interval.
Columns in the Error Statistics table show the recorded values for the following iDSL port statistics:
• Errored Seconds (ES)—Indicates the total cumulative number of seconds in which there were one or more
FIFO errors on this port during the 15-minute interval.
• Severely Errored Seconds (SES) —Indicates the total cumulative number of seconds in which there were
one or more CRC errors on this port during the 15-minute interval. The T-DAC will not increment the
SES count for this port when the T-DAC is incrementing the Unavailable Seconds count.