Hi there!
Yes, it needs to receive a license.
On NCE, the OTDR function of a device cannot work due to the following reasons:
1. License resources are missing.
2. The board software version does not match.
3. The logical/physical fiber is not connected or incorrectly connected.
4. The operation process of the maintenance personnel is incorrect.
5. The hardware or software or hardware runs abnormally.
For more information, click on the following link:
https://support.huawei.com/enterprise/en/doc/EDOC1100090123/f2bf52b1/about-this-document
If you do not have permission to open the above link, please click How do we upgrade our account.
Thank you!