Viewing Performance Statistics of Tributary Unit

Perform the steps given below to view the performance statistics of Tributary Unit (TU).

Click Performance in the navigation pane.
Do one of the following:
- To view performance statistics on current interval, click Current interval > STM in the navigation pane. STM-Current interval statistics preview pane is displayed.
- To view performance statistics for 15 minutes interval, click 15min intervals > STM in the navigation pane. STM-Interval statistics preview pane is displayed.
- To view performance statistics for previous day, click Previous day > STM in the navigation pane. STM-Previous day's history preview pane is displayed.
Click on Tributary Unit link. The STM statistics page is displayed.
Click the desired TU. The performance statistics of the Tributary Unit is displayed.

NOTE: The current interval statistics of the Tributary Unit is available for the current time interval, previous 15 minutes, current day, and the previous day.

Reset options available for each TU are:

Reset All Current 15 Min Statistics
Reset All Current Day Statistics
Reset All Current 15 Min (Far End)
Reset All Current Day (Far End)

Tributary Unit performance counters

Parameter	Description
ES	Displays the errored second.
SES	Displays the severely errored second.
UAS	Displays the unavailable second.
SEP	Displays the severely errored period.
EB	Displays the errored blocks.
BBE	Displays the background blocked error.
ESR	Displays the error seconds ratio.
SESR	Displays the severely error seconds ratio.
BBER	Displays the background blocked error ratio.
SEPI	Displays the severely errored period intensity.
Interval Valid	'1' is displayed when none of the below mentioned operations occur at that interval on the port. '0' is displayed if any of the below mentioned operations occur at that interval on the port. The operations are: Manual reset of performance counters SFP jack-in/jack-out Card jack-in/jack-out Port Admin down Reboot
ES-FE	Displays the error seconds at far end.
SES-FE	Displays the severely error seconds at far end.
BBE-FE	Displays the background blocked errors at far end.
UAS-FE	Displays the unavailable seconds at far end.
SEP-FE	Displays the severely errored period at far end.
Far End Interval Valid	'1' is displayed when none of the below mentioned operations occur at that interval on the port at far end. '0' is displayed if any of the below mentioned operations occur at that interval on the port. The operations are: Manual reset of performance counters SFP jack-in/jack-out Card jack-in/jack-out Port Admin down Reboot