Chapter 3 OperationIPmux-16Installation and Operation Manual
Table 3-3. Alarms and Statistics (Cont.)
Alarm | Failure | Comments | Valid in X only |
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SES | Severely Errored Seconds. | Any second containing the |
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| following errored events is |
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| counted as severely errored |
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| seconds: |
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| For E1/T1: |
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| If 320 or more CRC error events |
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| One or more SEF (OOF) events |
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| One or more AIS events |
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| occurred (for T1 only). |
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UAS | Unavailable Seconds: | Activated when there are 10 |
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| consecutive SES occurrences |
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| and |
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| Deactivated as a result of 10 |
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| consecutive seconds without |
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| SES. |
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LOMF |
| Loss Of Framing sequence in |
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| Time Slot 16 |
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The E1/T1 Physical Layer Menu allows you to monitor the following
Time Since: The elapsed time since the beginning of the current interval (interval 0). Displayed only when the current interval is monitored.
Valid Intervals: The number of 15 minute intervals stored in the system since power up.
Slot/Channel: Select the E1/T1 module and channel on which you want to view statistics
Interval Number: The number of the interval to be displayed. Interval number 0 (zero) is the current interval.
The current interval display is continuously updated.
The elapsed time since the beginning of the interval is displayed.
Prev Inv: Displays the previous interval.
From the first interval (current interval = 0) Prev is not visible
Next Inv: Displays the next interval.
The number of valid intervals is displayed. From the last valid interval Next is not visible.
