Whether an FIU board on an OSN 1800 supports optical power detection

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A TNF2FIU board on OSN 1800 V100R005C00SPC200 supports optical power detection.

Other related questions:
Whether the FIU board on OSN 1800 supports optical power detection
The TNF2FIU board on OSN 1800 V1R5C00SPC200 supports optical power detection.

Optical supervisory wavelength for the SCC board on OSN 1800
The 1310 nm wavelength can be used by the OSC port of an SCC board on OSN 1800.

Whether the LEM18 board on OSN 1800 supports link aggregation
The LEM18 board on OSN 1800 supports manual aggregation and static aggregation and load sharing and non-load sharing.

Whether the ELOM board on OSN 1800 supports 2.5G signals
The ELOM board on OSN 1800 supports 2.5G signals.

Causes for the issue that OSN 6800 SFIU board does not support optical power detection but has an input optical power loss threshold
1. Unlike a common FIU board that reports a combined alarm MUT_LOS depending on alarms concurrently reported by OA and SC2 boards, an SFIU board carries single-fiber bidirectional OSC signals. Because an MUT_LOS alarm occurs at the OA in the receive direction, and the IN port of the OA and the SYS1/SYS2 port of the SFIU board are connected through a logical optical fiber, the NE reports an MUT_LOS alarm that is combined with alarms reported by the LINE1/LINE2 port on the SFIU board. 2. The input optical power loss threshold for the WDM port on the SFIU board can only be queried but cannot be set. This counter is reported from the system control board through a query of the OA counter. That is, the input optical power loss threshold for the SFIU board is the input optical power loss threshold for the OA board in the receive direction of the logical optical fiber.

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