Meaning of the "Detect range for single channel optical power" indicator in the interface specifications of the MCA optical interface board


The MCA board can be connected to various types of boards. This indicator indicates the single-wavelength optical power of the MCA board, not the output optical power of the board to be monitored by the MCA board.

Other related questions:
Meaning of colors of interface indicators on the S1700
For details about the meaning of each color of the indicators on the S1700, click S1700 Products Description and choose Hardware Structure > Indicator.

Optical signal performance counters detected by an MCA board
An MCA board can detect the following performance counters and report them to the system control board (the following information can be displayed on the U2000): Single-wavelength optical power Center wavelength Number of wavelengths on an optical path Using the OD wavelength monitoring and management license and the OD function, the MCA board can be used to detect the OSNR of signals whose rates are 10 Gbit/s, 40 Gbit/s, 100 Gbit/s, and 200 Gbit/s. When no OD wavelength monitoring and management license is configured and all the rates of the wavelength signals are less than or equal to 10 Gbit/s, OSNR detection is supported. If the system has signals whose rates are greater than 10 Gbit/s, there are the following restrictions: OSNR monitoring is not supported if adjacent channels have 50 GHz channel spacing. OSNR detection is supported only for signals whose rates are less than or equal to 10 Gbit/s if the channel spacing is 100 GHz.

Meaning of single-wavelength optical power detection range in the optical specifications of the MCA board
The MCA board can be connected to various types of boards. The indicator refers to the single-wavelength optical power input to the MCA board, but not the output optical power of a board that the MCA board monitors.

Optical signal indicators detected by the MCA board
Question: What are the optical signal indicators that can be detected by the MCA board? Analysis: None Root cause: None Answer: Optical power, center wavelength, OSNR, and number of channels.

Principle for the MCA board to implement optical spectrum scanning
The MON port of a monitored board outputs weak optical power through an optical splitter. After being connected to the MON port of the board, the MCA board performs appropriate compensation so that the MON port output power of the monitored board is close to the actual optical power output by the OUT port of the monitored board.

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