| Basic function |
Transmits and receives 2xSTM-1 optical signals. |
| Alarm and performance event |
Supports various alarms and performance events, which facilitates the management and maintenance of the equipment; supports the alarm reversion function. |
| Clock source |
Supports the line clock extraction function.
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| Maintenance features |
Supports the outloop on SDH optical interfaces and inloop and outloop on VC-4 paths, and the automatic release of loopbacks.
Supports the setting of overhead bytes to be sent/received, thus enabling the board to function as an overhead instrument.
Supports the settings of thresholds for the excessive errors.
Supports PRBS.
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| Overhead processing |
Provides transparent DCCs and orderwire byte channels.
Supports the setting and query of J0, J1, and C2 bytes.
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| Optical module |
Supports the query of the manufacturing information about SFP modules.
Supports single-fiber bidirectional SFP optical modules.
Supports the status query of SFP modules.
Supports hot-swapping of SFP optical modules.
Supports the setting and query of lasers.
Supports the automatic laser shutdown (ALS) function of lasers.
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