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Circuit Pack Descriptions
Issue 3 June 2000
7-37
Maintenance Signal Functions
7
The major maintenance signal functions are as follows:
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Detects STS-1 path AIS coming from the fiber
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Detects STS-1 path unequipped signal coming from the fiber
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Inserts DS3 AIS toward the fiber and DSX-3
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Detects DS3 AIS coming from the fiber
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Inserts and detects STS-1 path yellow signal to/from the fiber
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Detects DS3 OOF from the fiber
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Detects DS3 B3ZS violation threshold crossings from the DSX-3
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Inserts and detects STS-1 path trace (BBG4B only).
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