Whether NQ2 can be still used if its receive optical power is -30 dBm

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When the receive optical power is �?0 dBm, it is lower than the receiver sensitivity (�?4 dBm). Therefore, the NQ2 board cannot be used at this point.

Other related questions:
Whether the CRPC board has a range of the receive optical power
Raman boards such as CRPC have no restriction on the receive optical power and therefore do not have a range of the receive optical power.

The state of an optical interface is not Up when it interconnects with the peer device
For the problem that the state of an optical interface is not Up when it interconnects with the peer device, see the troubleshooting guide. For details, access the URL in the right column.

Receive optical power range of the CMR4 board
The CMR4 board is an optical device. There is no requirement on the receive optical power range of the board.

Receive optical power range of 2.5G optical ports on TOM boards
Conversion between SNCP protection types is not allowed. You need to convert the SNCP service into a common service, and convert the common service into the desired type of SNCP service.

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