Alcatel Speed Touch 591s, Technical User'S Manual

Page: 154 / 184

15 — Statistics
15-10 Speed Touch 591s Technical Practices
90-8785-01 February 2001
Procedure 15-3 Displaying AAL1 statistics
1 Enter:
STATS — OBJECT — PORT — <U>
↵
— ATM — AAL1 — 15_MINUTE or 24_HOUR
2 To display statistics for a different interval, enter:
PREV_INTVL or NEXT_INTVL or CURRENT or INTERVAL_ID — <interval>
↵
where interval is the interval to be displayed, 1 to 96 (only available for 15_MINUTE
statistics)
3 To clear statistics, select:
TEMP_CLEAR
Refer to Figure 15-3 for an example of AAL1 statistics.
Displaying T1 port physical statistics
Table 15-3 lists the physical statistics that can be displayed for the T1 port.
Table 15-3 Physical statistics for the T1 port
Note — Certain statistics are not displayed when the T1 port is
configured as UDT.
Field Description
Errored Seconds Number of seconds for which the average BER was greater than 0 but
less than 10
–3
and loss of sync was not detected
Severely Errored Seconds Number of seconds for which the average BER was greater than 10
–3
or a loss of sync was detected
Unavailable Seconds Number of seconds for which the link was in the unavailable state, not
including the 10 severely errored seconds preceding the unavailable
state
Bursty
Errored Seconds Number of seconds with more than 1 CRC error for ESF and more
than 1 LCV error for D4
Loss of
Frame Counts Number of times an LOF condition occurred
Controlled
Slip Seconds Not used for the T1 port; always reads n/a.
Valid
15-min Intervals Number of statistics collection intervals that were successfully
completed over the past 24-h period