Specifications

D8E1T1 Installation and Operation Manual Chapter 4 Troubleshooting and Diagnostics
Expose (Link Status) 4-17
Navigation:
D8E1T1 Main Menu
↓
Diagnostics
↓
Line Diagnostics Center
↓
Select T1/E1 Link
↓
ESF [S]tatistics
OR D8E1T1 Main Menu
↓
Diagnostics
↓
Line Diagnostics Center
↓
Select T1/E1 Link
↓
[E]xpose
↓
ESF [S]tatistics
ESF Statistics For Port#: 1
Register Curr 24 Hr
----------------------------------
Errored seconds.........: 0 1
Failed seconds (UAS)....: 727 5391
Severely errored seconds: 0 1
Bursty errored seconds..: 0 0
Loss of frame count.....: 0 0
Time in interval........: 727
# Valid intervals.......: 6
ESF status..............: FU000000
Figure 4-11. ESF Statistics Display
The information contained in each field on the screen is detailed in Table 4-9.
Table 4-9. ESF Statistics Display Field Descriptions
Field Description
Errored Seconds:
(display field)
The occurrence of a Loss of Frame or a CRC6 error in a one-second period is
known as an errored second. This field displays the number of errored seconds
that have occurred.
Failed Seconds (UAS):
(display field)
Each one-second period during the occurrence of a Failed Signal State (10
consecutive errored seconds) is known as a failed second. This field displays the
number of failed seconds that have occurred.
Severely Errored Seconds:
(display field)
A one-second period in which 320 or more CRC6 errors have occurred is
known as a severely errored second. This field displays the number of severely
errored seconds that have occurred.
Bursty Errored Seconds:
(display field)
A one-second period in which more than one but less that 320 CRC6 errors
have occurred is known as a bursty errored second. This field displays the
number of bursty errored seconds that have occurred.