In the H area, the P customer uses the OSC communication port of the
control board of the OSN 1800II to insert the common STM-1 client-side module
for OSC communication. After that, the NE can properly communicate with the ECC
and the NE management is normal, but the LASER_MODULE_MISMATCH alarm is
1. On the U2000 page, click the main control board and choose path view.
2. Click delete port to delete the port that reports the alarm.
3. Add the port again and set the type to Line Side Grey Optical Port.
4. The alarm is cleared after the adding is successful.
The logical and physical optical module types do not match. As a result, alarms are reported. Currently, frontline engineers are using gray optical modules on the client side. Therefore, the module type for client-side gray optical needs to be used for adaptation.
Use the client-side gray light module type for adaptation.