Method used for communication between two OTM subracks at the same site

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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.

Other related questions:
Method used to handle the conflict between two services with the same wavelength at the ROADM site
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.

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

Communication between a newly installed OptiX OSN 8800 subrack and existing subracks
If the newly installed subrack is configured as the slave subrack, connect the ETH port on the EFI board of the subrack to the ETH port on the EFI board of the existing subrack. If the newly installed subrack is configured as the master subrack, use extended ECC or SC2 for communication.

Abnormal Site Communication
1.On the local OceanStor BCManager, choose Resources and click the site. The site list is displayed. 2.Select the line where the modified remote OceanStor BCManager site resides, and click . A dialog box is displayed. 3.In IP Address, enter the new management IP address. 4.Click OK.

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