Telect MIX 56 user manual VIEWING ERRORS Viewing High-Speed Errors, Error Definitions, 4-32

4 Software Operation MIX 56 User Manual

c.On pressing y and Enter the file with the base name as spec- ified on screen 10 and with the extension of “.nvr” is re- trieved from the TFTP file server.

NOTES

-The file must have been previously saved via one of the save file options of the Save Configuration screen.

-Restoring the NVRam from a file results in a reboot of the Mix56 card.

VIEWING ERRORS

Viewing High-Speed Errors

You can view DS3 error counts in either of the following ways:

•15-Minute Histories—Error count totals are displayed for every 15- minute period in the last 24 hours (96 periods total), including the cur- rent period.

•24-Hour Histories—Error count totals are displayed for two time peri- ods: from Midnight the current day to the end of the last completed 15- minute period and from midnight the previous day to one second before Midnight of the current day.

Error Definitions

These definitions are per ANSI T1.231. You can view all of the following DS3 errors in either of the displays described above.

Errored Seconds (ES): A second with one or more bipolar violations (BPV), excessive zeros (EXZ), or loss of signal (LOS).

Severely Errored Seconds (SES): A second in which 45 or more BPVs, EXZs, or LOS’ occur.

Coding Violations (CV): A cumulative count of BPVs and/or EXZs for the period of time displayed.

Loss of Signal Seconds (LOSS): A second containing one or more LOS detects.

Alarm Indication Signal Seconds (AISS): A second in which an Alarm Indication Signal (AIS) is received.

Failure Count (FC): A cumulative count of loss of frame (LOF) and/or AIS seconds (until the counts are cleared).

4-32 Telect, Inc. 122188-10 A0