Precautions for physical connections of the MCA board during the project design

Question:
What are the precautions for physical connections of the MCA board in project design?
Analysis:
None
Root cause:
MCA is a 4- or 8-channel spectrum analyzer that supports functions and features such as optical spectrum analysis, optical power detection, and APE. Pay attention to the following for the physical connections:
1. For an OTM or OADM site, connect the IN1 port to the east transmit port, IN2 to the east receive port, IN3 to the west transmit port, and IN4 to the west receive port.
2. For a ROADM site, preferentially connect the MCA board to the OA ports. Connect the IN1 port to the east transmit port, IN2 to the east receive port, IN3 to the west transmit port, and IN4 to the west receive port. Do not connect the MCA boards to the MON ports of boards that can implement the ROADM function. These MON ports provide only the function of optical power detection rather than OSNR and wavelength detection functions.
3. For an ASON network, the MCA board needs to be configured at both the transmit and receive ends of a ROADM site. In addition, the MCA board needs to be configured at the local transmit end.
4. The MCA board cannot be configured in the OSN 1800.
5. The MCA board cannot be configured on the MON ports of the M40, D40, and V40 boards.
Answer:
None

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