
Appendix B: Performance Monitor
129
November 2001
The remaining performance monitor data is available whether CRC-4
is enabled or not.
Current errored seconds (ES)
An errored second is any second containing one or more CRC error
events, or one or more controlled slip events. The data is collected for the
current 15-minute interval.
Current unavailable seconds (UAS)
An unavailable second is any second in which a failed signal state exists..
The data is collected for the current 15-minute interval.
Long-term errored seconds (LONG ES)
The total number of ES in the current powered-up interval.
Long-term fail seconds (LONG UAS)
The total number of UAS in the current powered-up interval.
Current seconds (CURR SEC)
The number of seconds in the current measurement interval. A
measurement interval has 900 seconds (15 minutes).
Summary of Contents for ETU-01A
Page 1: ...INSTALLATION and OPERATIONMANUAL Version 2 0...
Page 2: ......
Page 4: ......
Page 24: ...Chapter 1 Introduction 18 November 2001 This page left blank intentionally...
Page 32: ...Chapter 2 Installation 26 November 2001 This page left blank intentionally...
Page 56: ...Chapter 4 Control Port Operation 50 November 2001 Figure 4 1 Example of terminal display...
Page 94: ...Chapter 4 Control Port Operation 88 November 2001 This page left blank intentionally...
Page 122: ...Chapter 6 SNMP Option 116 November 2001...
Page 139: ...NOTES 133 November 2001...
Page 140: ...NOTES 134 November 2001...
Page 143: ......