ADTRAN 4200659L6, 4200659L1, 4175043L2, 4200659L5 Condition, Description, Coding Violation

Models: 1200287L1 1200291L1 1200657L2 4200659L4 4200659L6 4200659L3 4200659L7 4200659L2 4200659L8 4200659L5 4175043L2 4200659L1

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(Coding Violation)

Chapter 5. Statistics

Figure 5-12 on page 5-14 for examples of the VT performance parameter screens.

Condition

Description

 

 

CV

(Coding Violation)

 

The number of coding violations encountered at

 

the VT layer.

 

 

ES

(Errored Seconds)

 

Number of seconds with one or more coding

 

violations or one or more incoming defects (e.g.,

 

AIS, LOP) at the VT layer.

 

 

SES

(Severely Errored Seconds)

 

Number of seconds with X or more coding

 

violations are the VT layer, or a second during

 

which at least one or more incoming defects at the

 

VT layer has occurred. Values of X vary

 

depending on the line rate and the Bit Error Rate.

 

 

UAS

(Unavailable Seconds)

 

Time in seconds that the VT layer has been

 

unavailable for data delivery.

 

 

The count given reflects the number of times the alarm or state has occurred (rather than the number of seconds the alarm was active).

61200659L1-1

MX2800 STS-1 User Manual

5-13

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Image 115
ADTRAN 4200659L6, 4200659L1, 4175043L2, 4200659L5, 4200659L8, 4200659L2, 4200659L7 Condition, Description, Coding Violation