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Circuit Pack Descriptions
Issue 3 June 2000
7-53
Maintenance Signal Functions
7
The major maintenance signal functions are as follows:
■
Detects STS-1 path AIS coming from the fiber
■
Detects STS-1 path unequipped signal coming from the fiber
■
Inserts DS3 AIS toward the fiber and data services device
■
Detects DS3 AIS coming from the fiber
■
Inserts and detects STS-1 path yellow signal to/from the fiber
■
Detects DS3 OOF from the fiber
■
Detects DS3 B3ZS violation threshold crossings from the data services
device
■
Inserts and detects STS-1 path trace.
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