ADTRAN 1200657L2 The following alarm counts are provided in this menu, Condition, Description

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

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The following alarm counts are provided in this menu:

Chapter 5. Statistics

The following alarm counts are provided in this menu:

Condition

Description

 

 

LOS

(Loss of Signal)

 

The unit has lost the network receive signal.

 

 

LOF

(Loss of Framing)

 

The unit detects a framing loss from the network.

 

 

LOP

(Loss of Pointer)

 

The unit is unable to detect a valid pointer in the

 

receive signal.

 

 

LOMF

(Loss of Multiframe)

 

The unit detects loss of H4 multiframe from the

 

network.

 

 

AIS-L

(Line Alarm Indication Signal)

 

The unit is receiving a line alarm indication signal.

 

The Section Terminating Equipment generates

 

AIS-L after detecting LOS or LOF.

 

 

AIS-P

(Path Alarm Indication Signal)

 

The unit is receiving a path alarm indication

 

signal. AIS-P is defined as all ones in bytes H1,

 

H2, and H3 as well as all ones in the entire STS

 

synchronous payload envelope.

 

 

RFI-L

(Line Remote Failure Indication)

 

The unit is receiving a line remote failure

 

indication. RFI-L is declared when the incoming

 

line remote defect indication (RDI-L, “110” pattern

 

in bits 6, 7, and 8 of the K2 line overhead byte)

 

lasts for 2.5 +/- 0.5 seconds.

 

 

61200659L1-1

MX2800 STS-1 User Manual

5-3

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Image 105
ADTRAN 1200657L2, 4200659L1, 4175043L2 The following alarm counts are provided in this menu, Condition, Description