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Hi user_3754066,
Please wait patiently. Our engineers are looking for answers to your questions.

Hi friend! hope below step can help u:

(1). Check the Wi-Fi signal strength on your terminal. If the signal strength is weak, you may be
far away from the signal source or an obstacle exists, and you are advised to get closer to the
ONT.
(2). Get far away from Wi-Fi signal interference sources such as microwave ovens and cordless
phones.
(3). Try Wi-Fi connection on another terminal. If this problem does not occur, there may be a
problem with the driver or hardware of your original terminal. Then you are advised to update the
driver of the Wi-Fi network adapter and check whether the hardware is damaged.
(4). Change the Wi-Fi name (SSID). Duplicate SSIDs may exist within your terminal reach.
(5). Some viruses may exist and cause the disconnection. You are advised to test viruses by
connecting only one computer and run antivirus software.

Thanks!

Hello, friend! 

The possible causes are as follows: 

1. The optical channel quality is poor.

2. The ONT does not function properly.

3. A rogue ONU sending weak optical signals is under the PON port.

Perform the following steps on the OLT:

1. Run the display port ont-register-info command to query the ONT that is connected to the port and fails in ranging.

2. Run the display port info command to query the minimum and maximum logical distances on the port. Check whether the ONT that fails in ranging is within the ranging distance configured at the central office (CO) end.

1) If yes, go to 4.

2) If not, go to 3.

3. Run the port range command to configure the compensation distance for ranging on the gigabit passive optical network (GPON) port so that the ONT that fails in ranging is within the ranging distance configured at the CO end. Check whether the clear alarm is generated.

1) If yes, go to 9.

2) If not, go to 4.

4. Run the anti-rogueont manual-check portid detail command to query whether a rogue ONU is under a GPON port.

1) If yes, go to 9

2) If not, go to 5

5. Check whether the optical fiber is properly connected.

1) If the optical fiber is loose or disconnected, reconnect the optical fiber properly. Then, go to 7.

2) If the optical fiber is aged, bent, or damaged, replace the optical fiber. Then, go to 7.

3) If the connector of the optical fiber is dirty, clean the connector of the optical fiber. Then, go to 7.

4)  If the optical fiber is properly connected, go to 6.

6. Reset or replace the ONT.

7. Check whether the clear alarm is generated.

1) If yes, go to 9.

2) If not, go to 8.

8. Contact Huawei for technical support.

9. End.

Thanks!

Hi, friend!

Based on your description, my response above can only be guided by the general method of trouble shooting.

Can you provide more detailed information about the equipment?

Thanks!