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The MGX 8260 Media Gateway notifies maintenance or operations personnel about equipment alarms at several levels:
You can view the event log for informational notices about changes in the system. For example, inserting a new card adds an event to the log.
The WebViewer displays the most severe alarm in the upper right corner of every screen (see Figure 18-1).
The alarm indicator is a rectangular icon that is green for normal operation and flashes red or yellow for alarm conditions.
You can obtain more information about the alarm by clicking the alarm indicator. The chassis view also shows a graphical representation of the front panel, including alarm indications for each card. To obtain more information about a specific card, click the corresponding Card or Line indicator.
To respond to alarms, you monitor the following sources:
When checking alarms, start with the Alarm Status screen and then use the Navigation pane or hyperlinks to obtain details about the event or condition of interest.
To view alarm status, follow these steps:
The Alarm Status screen opens:
Operational status is displayed as rows of color-coded indicators. Interpret the color as follows:
Step 2 To obtain more information about all shelf or card EMM alarms, click the "i" icon above the Shelf Alarm pane or Logical Card Alarm pane.
Step 3 To obtain more information about a specific shelf or card alarm, click the hyperlink above the indicator.
Step 4 To interpret the shelf alarm screens, see the "Environmental Alarms" section. To interpret card alarm card screens, see "Card Alarms" section.
Card alarms provide information on card operation and events.
To view card alarms, follow these steps:
Step 2 Click All-Cards. Alternatively, click the desired card hyperlink on the Alarm State screen. The Logical Card Configuration form opens:
Card alarms are displayed as rows of indicators in the Integrated Alarm column.
Step 3 Interpret the color as follows:
Interpret the alarm indicators for this card as follows:
| Indicator | SCC | BSC, NSC, and DMC |
|---|---|---|
0 | integrated line alarm | integrated line alarm |
1 | line performance alarm | line performance alarm |
2 | integrated port alarm | integrated port alarm |
3 | integrated end point alarm | integrated end point alarm |
4 | EMM temperature alarm | EMM temperature alarm |
5 | EMM voltage alarm | EMM voltage alarm |
6 | software error alarm | software error alarm |
7 | component failure alarm | component failure alarm |
8 | (reserved for future use) | N/A |
9 | (reserved for future use) | N/A |
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Note Read the indicators from right to left. |
You can open the Logical Card Alarm Status and Configuration form for individual cards three ways:
To view card alarm details, follow these steps:
Step 2 Click All-Cards.
The Physical Card Configuration form opens.
Step 3 On the Logical Card Configuration screen, click the "i" icon on the row with the desired card.
The Physical Slot Alarm Status and Configuration form opens, which contains an alarm pane. The following is a typical card alarm pane:
Operational status is displayed as color-coded indicators.
Step 4 Interpret the color as follows:
Step 5 The alarms vary by card. Interpret the appropriate alarms as follows:
| Alarm | Interpretation |
|---|---|
Integrated Line Alarm | Indicates the most severe alarm for the active lines on this card. To view more line alarm information, click the Integrated Line Alarm link. |
Line Performance Alarm | Indicates the most severe performance alarm for active lines on this card. To view more line performance alarm information, click the Line Performance Alarm link. |
Integrated Port Alarm | Indicates the most severe alarm for the active ports on this card. |
Integrated End Point Alarm | Indicates the most severe end point alarm for this card. |
EMM Temperature Alarm | Indicates the most severe alarm from the temperature sensors on the board. To view more EMM information, click the EMM Temperature Alarm link. For more information, see the "Environmental Alarms" section. |
EMM Voltage Alarm | Indicates the most severe alarm from the voltage sensors on the board. To view more EMM information, click the EMM Voltage Alarm link. For more information, see "Environmental Alarms" section. |
Software Error Alarm | Indicates a software error on this card. |
Component Failure Alarm | Indicates a hardware failure on this card. |
To clear the alarm history, set the Clear Alarm History field to Yes and click Modify.
The MGX 8260 Media Gateway groups alarm and performance information as follows:
In addition to viewing alarms and statistics, you can set thresholds for performance alarms.
To view DS1 alarms, follow these steps:
Step 2 Click Dsx1.
Step 3 Click All Lines.
The Dsx1 Line and Configuration form opens:
DS1 alarms are displayed as rows of indicators in the Line Status column.
Step 4 Interpret the color as follows:
Step 5 Interpret the Line Status alarm display (the DS1 line status) that is displayed as a row of indicators as follows:
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Note Read the indicators from right to left. |
You can open the Dsx1 Line Status and Configuration screen for an individual line two ways:
To view line alarms for individual DS1 lines, follow these steps:
Step 2 Click Dsx1.
Step 3 Click All Lines.
The Dsx1 Line and Configuration screen opens.
Step 4 On the Dsx1 Line and Configuration screen, click the "i" icon on the row with the desired line.
The Dsx1 Line Status and Configuration form opens with the following alarm pane:
Operational status is displayed as color-coded indicators.
Step 5 Interpret the color as follows:
Step 6 Interpret the alarms as follows:
| Alarm | Description |
|---|---|
No alarm present | Summary alarm indicator:
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Far End LOF | Yellow alarm |
Far End Sending AIS | Alarm indication signal at far end |
Near End LOF | Red alarm |
Near End is Looped | Loopback is active |
Far End Sending TS16 LOMF | Loss of 2 mb/s multi-frame at far end |
Near End Detects a Test Code | Test code detected |
Near End Sending LOF Indication | Loss of frame |
Near End sending AIS | Alarm indication signal |
Near End Loss of Signal | Loss of signal |
E1 TS16 AIS | E1 alarm indication signal |
Near End Sending TS16 LOMF | Loss of 2 mb/s multi-frame |
Any Other Line Status | Other DS1 failure |
This section describes changing the configuration settings for alarm severity, integration period, and thresholds for various error conditions, such as LCV, LES, and LSES. The performance alarm is set if the DS1 errors exceed any of the threshold counts.
To change alarm threshold values, follow these steps.
Step 2 Click Dsx1.
Step 3 Click All Lines.
The Dsx1 Line and Configuration screen opens.
Step 4 On the Dsx1 Line and Configuration screen, click the "A" icon on the row with the desired line.
The Dsx1 Line Alarm Configuration form opens:
The current slot and line number are displayed at the top.
Step 5 Set the thresholds as follows:
| Threshold | Setting |
|---|---|
Red Severity | The near end LOF indication:
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RAI Severity | The remote alarm indication:
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Performance Alarm Severity | The performance alarm indication. minor (fixed) major |
Threshold counters | The thresholds for line errors that invoke a performance alarm. See Table 9-1 for a list of threshold counters and default values. |
Step 6 Click Modify.
The system applies the new thresholds.
To view DS1 counters and performance alarms, follow these steps:
Step 2 Click Dsx1.
Step 3 Click All Lines.
The Dsx1 Line and Configuration screen opens.
Step 4 On the Dsx1 Line and Configuration screen, click the "C" icon on the row with the desired line.
The Dsx1 Line Alarm State and Counters form opens:
Alarm status is displayed as color-coded indicators.
Step 5 Interpret the color as follows:
Step 6 Interpret the alarm and counter panes as follows:
| Pane | Interpretation |
|---|---|
Alarms pane | This group of twelve indicators display DS1 alarms and current test conditions. For more information on DS1 alarms, see "Viewing DS1 Alarms for Individual Lines" section. |
Performance Alarms pane | This group of eighteen indicators show the performance alarm thresholds this line has exceeded |
Counters pane | This group shows the number of times LOS, OOF, RA, and FE conditions occurred |
To reset the counters, click the Reset Counters button on the bottom of the screen.
To view DS1 real-time statistics, follow these steps:
Step 2 Click Dsx1.
Step 3 Click Counters.
Step 4 Click Alarm.
The Dsx1 Line Counter/Alarm screen opens.
Step 5 Interpret the table as follows:
| Displayed Information | Description |
|---|---|
Slot | The slot hosting this line |
Line | The DS1 line number for these statistics |
Number LOS | The number of times per second Loss of Signal was detected, with or without integrating to a LOS alarm |
Number OOF | The number of times per second Out of Frame was detected, with or without integrating to a OOF alarm |
Number RAI | The number of times per second Yellow alarm was detected, with or without integrating to a RAI alarm |
Number FE | The number of framing pattern errors per second encountered by the DS1 interface |
Line Alarms | The DS1 line alarms, displayed as a row of indicators.
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Line Performance Alarms | The DS1 line performance alarms, displayed as a row of indicators.
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To clear the counters, click the "-" icon on the row with the desired line. To view more alarm information, click the "i" icon on the row with the desired line. See the "Viewing DS1 Performance Alarms" section. To filter the display, click the check box for rows you want to display. The display updates on the next poll.
To change the polling interval, follow these steps:
Step 2 Click Start to restart the interval.
Step 3 Click Stop to stop polling.
Interval statistics are collected by each DS1 Interface over the previous 24 hours of operation. The
24 hours are broken into 96 15-minute intervals.
To view interval DS1 statistics, follow these steps:
Step 2 Click Dsx1.
Step 3 Click All Lines.
The Dsx1 Line and Configuration screen opens.
Step 4 On the Dsx1 Line and Configuration screen, click the "P" icon on the row with the desired line.
The Dsx1 Line Performance Statistics screen opens:
Step 5 Interpret the table as follows:
| Displayed Information | Description |
|---|---|
Interval | The 15 minute interval for the statistics. The Total interval lists statistics for the past 24 hours |
Err Sec | The number of errored seconds |
Sev Err Sec | The number of severely errored seconds |
Sev Err Frm Sec | The number of severely errored frame seconds |
Unavl Sec | The number of unavailable seconds |
Cntl Slip Sec | The number of seconds with timing slips |
Path Code Violation | The number of seconds with path code violations |
Line Err Sec | The number of seconds with SONET line errors |
Bursty Err Sec | The number of seconds with burst errors |
Degraded Min | The number of minutes with degraded performance |
Line Code Violation | The number of line code violations |
To change the polling interval, follow these steps:
Step 2 Click Start to restart the interval.
The MGX 8260 groups alarm and performance information as follows:
In addition to viewing alarm and performance information, you can set thresholds for performance alarms.
To view DS3 alarms, follow these steps:
Step 2 Click Dsx3.
Step 3 Click All Lines.
The Dsx3 Line and Configuration form opens:
DS3 alarms are displayed as rows of indicators in the Line Status column.
Step 4 Interpret the color as follows:
Interpret the DS3 line status alarm display from right to left as follows:
You can open the Dsx3 Line Status and Configuration form for an individual line two ways:
To view line alarms for individual DS3 lines, follow these steps:
Step 2 Click Dsx3.
Step 3 Click All Lines.
The Dsx3 Line and Configuration screen opens.
On the Dsx3 Line and Configuration screen, click the "i" icon on the row with the desired line. The Dsx3 Line Status and Configuration form opens with the following alarm pane:
Operational status is displayed as color-coded indicators.
Step 4 Interpret the color as follows:
Step 5 Interpret the alarms as follows:
| Alarm | Description |
|---|---|
No alarm present | Summary alarm indicator:
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Receiving Remote Alarm Indication | Yellow alarm |
Transmitting Remote Alarm Indication | Yellow alarm |
Receiving AIS | Alarm indication signal |
Transmitting AIS | Transmitting alarm indication signal |
Receiving LOF | Loss of Frame detected |
Receiving LOS | Loss of signal detected |
Looping the received signal | Loopback is active |
Receiving a Test Pattern | Test signal detected |
Any other line status | Other DS3 failure |
This section describes how to change the configuration settings for alarm severity, integration period, and thresholds for various error conditions, such as LCV, LES, and LSES. The performance alarm is set if the DS3 errors exceed any of the threshold counts.
To change alarm threshold values, follow these steps:
Step 2 Click Dsx3.
Step 3 Click All Lines.
The Dsx3 Line and Configuration screen opens.
Step 4 On the Dsx3 Line and Configuration screen, click the "A" icon on the row with the desired line.
The Dsx3 Line Alarm Configuration form opens:
The current slot and line number are displayed at the top.
Step 5 Set the thresholds as follows:
| Displayed Information | Description |
|---|---|
Red Alarm Severity | The severity of near end LOF or LOS conditions:
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RAI Alarm Severity
| The severity of remote alarm indication
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Alarm Severity | The severity of any performance alarms. The performance alarm is raised if any of the threshold counters are exceeded.
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Near End Alarm Up | Increment value for the near end alarm counter. The default value is 6 |
Near End Alarm Down | Decrement value for the near end alarm counter. The default value is 1 |
Near End Alarm Threshold | Threshold at which the near end alarm count raises a near end alarm. The alarm clears when the count is zero |
Threshold counters | The thresholds for line errors that invoke a performance alarm. All counter thresholds are integers greater than zero. See Table 9-2 for DS3 threshold counts. |
Step 6 Click Modify.
The system applies the new thresholds.
To view DS3 counters and performance alarms, follow these steps:
Step 2 Click Dsx3.
Step 3 Click All Lines.
The Dsx3 Line and Configuration screen opens.
Step 4 On the Dsx3 Line and Configuration screen, click the "C" icon on the row with the desired line.
The Dsx3 Line Alarm State and Counters form opens:
Alarm status is displayed as color-coded indicators. Interpret the color as follows:
Step 5 Interpret the alarm and counter panes as follows:
| Pane | |
|---|---|
Performance Alarms pane | This group of eighteen indicators show the performance alarm thresholds this line has exceeded |
Counters pane | This group shows the number of times the error condition occurred |
To reset the counters, click Reset Counters.
To view DS3 real-time statistics, follow these steps:
Step 2 Click Dsx3.
Step 3 Click Counters and Alarm.
The Dsx3 Line Counter/Alarm screen opens.
Step 4 Interpret the table as follows:
| Displayed Information | Description |
|---|---|
Slot | The slot hosting this line |
Line | The DS3 line number for these statistics |
Number LOS | The number of times per second Loss of Signal was detected, with or without integrating to a LOS alarm |
Number OOF | The number of times per second Out of Frame was detected, with or without integrating to a OOF alarm |
Number RAI | The number of times per second Yellow alarm was detected, with or without integrating to a RAI alarm |
Number FE | The number of framing pattern errors per second encountered by the DS3 interface |
Line Performance Alarms | The DS3 line performance alarms, displayed as a row of indicators:
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To clear the counters, click the "-" icon on the row with the desired line.
To view more alarm information, click the "i" icon on the row with the desired line. See the "Viewing DS1 Performance Alarms" section.
To change the polling interval, follow these steps:
Step 2 Click Start to restart the interval.
Step 3 Click Stop to stop polling.
Interval statistics are collected by each DS3 Interface over the previous 24 hours of operation. The
24 hours are broken into 96 15-minute intervals.
To view interval DS3 statistics, follow these steps:
Step 2 Click Dsx3.
Step 3 Click All Lines.
The Dsx3 Line and Configuration screen opens.
Step 4 On the Dsx3 Line and Configuration screen, click the "P" icon on the row with the desired line.
The Dsx3 Line Performance Statistics screen opens:
Step 5 Interpret the table as follows:
| Displayed Information | Description |
|---|---|
Interval | The 15 minute interval for the statistics. The Total interval lists statistics for the past 24 hours |
P Bit Err Sec | The number seconds with P Bit errors |
P Bit Sev Err Sec | The number seconds with severe P Bit errors |
Sev Err Frm Sec | The number of seconds with severe frame errors |
Unavailable Sec | The number of unavailable seconds |
Line Code Violations | The number of line code violations |
P Bit Code Violation | The number of seconds with P Bit violations |
Line Err Sec | The number of seconds with SONET line errors |
C Bit Code Violation | The number of C Bit code violations |
C Bit Err Sec | The number of seconds with C Bit errors |
C Bit Sev Err Sec | The number of seconds with severe C Bit errors |
To change the polling interval, follow these steps:
Step 2 Click Start to restart the interval.
Step 3 Click Stop to stop polling
To view Fast Ethernet alarms, follow these steps:
Step 2 Click Ether.
Step 3 Click All Lines.
The Ether Line and Configuration form opens:
Step 4 Interpret the alarm status indicator as follows:
The MGX 8260 monitors three key environmental conditions:
Sensor readings translate to alarm conditions according to four fixed threshold levels (see Figure 9-1).
To view shelf EMM alarms, follow these steps:
The Alarm Status screen opens.
Step 2 Click the "i" icon above the Shelf Alarm pane.
The Alarm Status screen for the shelf opens:
Step 3 Interpret the table as follows:
| Displayed Information | Description |
|---|---|
Status | The status of the environmental alarm:
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SensorType | The type of environmental sensor |
SensorID | The number of a sensor on a unit |
Sensor Reading | The sensor reading:
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Major Hi Threshold | The threshold value separating a major alarm from a minor alarm for high readings |
Major Lo Threshold | The threshold value separating a minor alarm for a high reading from normal operation |
Minor Hi Threshold | The threshold value separating a major alarm from a minor alarm for a low reading |
Minor Lo Threshold | The threshold value separating a minor alarm for a low reading from normal operation |
To filter the display, click the check box on the desired rows. The display updates on the next poll.
To change the polling interval, follow these steps:
Step 2 Click Start to restart the interval.
Step 3 Click Stop to stop polling.
To view card EMM alarms, follow these steps:
The Alarm Status screen opens.
Step 2 Click the "i" icon above the Logical Shelf Alarm pane.
The Alarm Status screen for cards screen opens:
Step 3 Interpret the table as follows:
| Displayed Information | Description |
|---|---|
Status | The status of the environmental alarm:
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Card Num | The number of the card for the EMM status |
SensorType | The type of environmental sensor |
SensorID | The number of a sensor on a unit |
Sensor Reading | The sensor reading:
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Major Hi Threshold | The threshold value separating a major alarm from a minor alarm for high readings |
Major Lo Threshold | The threshold value separating a minor alarm for a high reading from normal operation |
Minor Hi Threshold | The threshold value separating a major alarm from a minor alarm for a low reading |
Minor Lo Threshold | The threshold value separating a minor alarm for a low reading from normal operation |
To filter the display, click the check box on the desired rows. The display updates on the next poll.
To change the polling interval, follow these steps:
Step 2 Click Start to restart the interval.
Step 3 Click Stop to stop polling.
To view the event log, follow these steps:
Step 2 Click the Event Log submenu item.
The event criteria form opens:
Step 3 Enter one of the following types of events to display:
| Event | Description |
|---|---|
Slot Number | The slot number, 1-16 or all |
Alarm Severity | The event severity:
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Event Type | The type of event:
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Step 4 Click Display.
After a delay, the event log opens:
Step 5 Interpret the event log as follows:
| Displayed Information | Description |
|---|---|
Date | The event date |
Time | The event time |
Slot | The slot number generating the event |
Severity | The event severity |
Type | The event type |
Message | The event description |
To clear the event log, follow these steps:
Step 2 Click Clear Event Log.
A confirmation screen opens.
Step 3 Confirm your action by clicking Clear Event Log.
Posted: Thu Mar 30 20:15:50 PST 2000
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