Note:
The timed mode will be required when running a M.2100 performance.
18.2.2 Performance Analysis
The Analysis setup page selects the ITU-T performance test that will be performed by the unit. The selections include None,
G.821, G.826 and M.2100. The recommendations are briefly defined as follows:
Measurements - Analysis
G.821: Error performance of an international digital connection operating at a bit rate below the primary rate and
forming part of an Integrated Service Digital Network (ISDN)
Long term error performance Conducted Out of Service (OOS)
Based on measuring bit errors
Evaluation period of 30 days
Since there is no overhead structure at these bit rates, in-service measurements are extremely difficult
G.826:
End-to-end error performance parameters and objectives for international, constant bit rate digital paths and
connections.
Long term error performance for Out of Service (OOS) and In-Service Measurement (ISM)
Based on measuring bit errors for connections and block errors for paths
Evaluation period of 30 days
M.2100:
Performance limits for bringing into service and maintenance of international multi-operator PDH paths and
connections
Deals exclusively with PDH paths, sections and systems
Based on measuring bit errors and block errors
BIS limits for OOS/ISM
Evaluation periods of 15 minutes, 2 hours and 24 hours
First step is a continuity test for 15 minutes
PDH paths are composed of sub-elements of different lengths each with its own set Reference Performance
Objectives (RPO)
Note:
Only one performance analysis can be performed at a time. To view or enable the M.2100 analyses, the measurement
timer has to be set to a determined.
18.2.3 General
The General setup page configures the Audible Alarm and Auto Save settings.
Measurements - General
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Summary of Contents for VePal TX130M+
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