Method used to handle the failure to delete an FIU board from the OSN 8800

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Delete logical fiber connections before deleting the board.

Other related questions:
Failure to clear the TEMP_OVER alarm from the SCC board on OSN 8800
1. Run the :cfg-get-scc-temperature:bid command to query the actual temperature of the board. The query result is 22.3?C, which is within the normal range. 2. Run the alm-del-curdata:num command to delete the alarm from the NE. The alarm is generated again. 3. Perform a cold reset on the active and standby SCC boards. The alarm persists. 4. Suspect that the SCC board hardware is faulty and replace the SCC board in slot 18. After the board replacement, the alarm persists and the alarm generation time is the initial alarm generation time. 5. Remove both the active and standby SCC boards and then re-insert them respectively. The fault symptom persists. 6. Run the :alm-get-bdalm-new command to query the boards one by one and then determine that the SCC board in slot 118 reports the TEMP_OVER alarm.

Thresholds and handling methods for the BEFFEC alarm reported by the LSC boards on OSN 8800
If the pre-FEC BER of a 100G LSC board at the local site is 4 and the BEFFEC alarm is reported, the processing method is as follows: When the receive optical power of the IN port on the WDM side of the LSC board is normal (PIN: �?6 to 0), the receive light flatness at the local site needs to be adjusted. Ensure that the difference between the receive light flatness values of a 100G wavelength and a 10G wavelength is within 2 dB and decrease the attenuation of the optical port of the 100G wavelength on the transmit-end M40V board at the peer site by 1�? dB. Improve the receive optical power of the 100G wavelength at the local site compared with the receive optical power of other 10G wavelengths to reduce the pre-FEC BER and clear the BEFFEC alarm.

Method used to query the wavelength information of a line board in the OptiX OSN 8800
1. You can query the wavelength information of a line board on the Advanced Attributes tab in the WDM Interface window. 2. You can also query the wavelength information of a line board based on Board Manufacturer Information of its optical module.

Method used to configure licenses of OptiX OSN 8800
OptiX OSN 8800 licenses, such as universal line board license, TP-Assist license, and the license for OptiX OSN 8800 T32 universal subrack, need to be configured on the U2000. The procedure is as follows: 1. In the main topology, choose Configuration > NE Batch Configuration > NE License Authorization. The Choose License window is displayed. 2. In the Choose License window, select the license to be loaded and click OK. The NE License Authorization window is displayed. 3. On the left side of the NE License Authorization window, select the desired NE from the navigation tree. 4. On the right side of the window, set the license.

Method used to test GE services provisioned when the OSN 8800 TOA board is interconnected with the OSN 1800 ELOM board
The TOA board supports Ethernet test frames for GE services but does not support the PRBS function for GE services. The ELOM board, in the contrary, does not support GE test frames. Therefore, you can only test the GE services by performing a loopback test with testers connected, or determine the GE service status by querying alarms and SNCP service path status.

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