kaoheng1515/OLT-GPON-XPON-Troubleshooting
Supported Vendors & Devices GPON Troubleshooting Commands & Guides Quick Links Huawei OLT/ONU → /huawei
The optical module is faulty or not securely installed. Check whether the optical module has been certified for Huawei. During use, reading optical module information helps understand its real-time op...
HOME / Huawei PON optical module type cannot be read - Five Suns EcoEnergy & Telecom Systems
Supported Vendors & Devices GPON Troubleshooting Commands & Guides Quick Links Huawei OLT/ONU → /huawei
If it is not a Huawei-certified optical module, replace it with a Huawei-certified optical module. If the optical module is installed on a GE port, run the display interfaceGigabitEthernet x/x/x command to
Displaying Optical Module Information You can use the display commands to view information about the optical module on an interface, including conventional information, manufacturing information, and
This page provides troubleshooting steps for resolving OLT faults that prevent GPON ONUs from going online.
Check whether the optical module is Huawei-certified. If it is not certified by Huawei, replace it with a Huawei certified one. Remove and reinstall the optical module.
The following uses the Moduletek SFP-10G-LR module connected to a Huawei S6700 switch as an example to introduce how to read information of the connected optical module on a Huawei switch.
Symptom Optical module information cannot be queried using the display interface transceiver verbose command in the interface view.
NOTICE The parameters of the optical module in this topic comply with Class B+. Note that such parameters are slightly different from the parameters in Class C. Check for the possible causes on
Learn how to display optical module information on Huawei devices using specific commands and understand the diagnostic details of optical modules.
Troubleshooting Optical Module Issues Symptom An optical port cannot go Up. The optical module cannot be properly identified and optical module information cannot be obtained. After
Check whether the optical module has been certified for Huawei Ethernet devices. If not, contact the supplier of the optical module. If possible, remove and reinstall the optical module to check whether
Remove and reinstall the optical module. If the fault persists, replace the optical module with a normal one of the same type to check whether the optical module is faulty. If the fault persists, collect log
The AC6605s are configured with VRRP hot standby networking. Type B protection groups are configured on the two OLTs. The split ratio of the optical splitter is 2:16. The following figure
No optical module is installed. The system does not support the query of the temperature, voltage, current, receive power, and transmit power of the optical module.
When this optical module uses OM3 multimode optical fibers, its transmission distance is 0.3 km. The optical modules used on both ends must have the same
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Huawei switches using non-certified optical module may not be able to read the information, can not guarantee the accuracy of the information read, recommend the use of Huawei certified optical
Verifying the PON Interface Configuration Procedure Run the display gpon-info interface pon interface-number command to view information about a GPON interface. Run the display pon
The optical module cannot be installed in an optical interface because the optical module structure is nonstandard. The structure and size of some non-Huawei-certified optical modules do not comply
Usage Guidelines To monitor the stack interface status or locate faults on a stack interface, run the display optic-status command to view the status of the optical module on the PON interface. You can
Use the command display transceiver to view the optical module information of all optical ports, and use the command display transceiver interface interface-type interface-number to view the
Run the display transceiver command to check the value of the Transceiver Type field in the command output. This field indicates whether the rate of the optical module installed on the port matches the
For example, if a PON interface of the router has automatically negotiated to work in EPON mode, you need to reset the PON board so that this interface can automatically negotiate to work in GPON
We found that there would be fault PON modules, so we test each board and each PON module optical power, and record the data on the test
Possible Causes The optical module is not a Huawei-certified optical module. A software bug occurs, leading to a failure to read optical module information.
An optical module with a longer transmission distance has a higher transmit power. If an optical module with a long transmission distance is used for short-distance transmission, the optical interface cannot