Method used to handle the conflict between two services with the same wavelength at the ROADM site

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If two services with the same wavelength conflict at the ROADM site, they will be carried over two different wavelengths after being rerouted. This process has no impact on the services.

Other related questions:
Method used for communication between two OTM subracks at the same site
If both of them are GNEs, they can be connected to the NMS. If one of them is not a GNE, they can communicate with each other using extended ECC.

Method used to handle the error message indicating a service conflict during service configuration on the OSN 8800
Delete discrete services.

Method used to obtain the attenuation of the optical cable between two sites based on optical power
You can calculate the attenuation roughly using the following formula: Attenuation of the optical cable between two sites = (Transmit optical power of the OA board at the transmit-end site �?Receive optical power of the OA board at the receive-end site) �?Insertion loss of the FIU boards at both ends

Cause why TD20/TM20 boards are used at an ROADM site in a coherent system
The OSN 8800 uses the frequency selection technology of coherent boards and works with ROADM boards such as TM20 and TD20 to implement the ROADM solution with a simple structure, greatly reducing the costs for constructing an optical-layer ASON network. For example, when the TN11TM201 and TN12TD201 boards are used, up to 20 colorless wavelengths can be added and dropped, greatly saving board and slot resources.

Method used to convert between the optical power of multiplexed wavelengths and optical power of single wavelengths of an OA board
The relationship between the optical power of multiplexed wavelengths and optical power of single wavelengths of an OA board is as follows: Optical power of multiplexed-wavelength signals = Optical power of single-wavelength signals + 10lgN where N is the number of wavelengths for multiplexed-wavelength signals.

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