l
If
Config State
is
failed
, it indicates that the ONT configuration recovery fails. A possible
cause of this failure is that the ONT is bound to an incorrect ONT profile. To resolve this
problem, run relevant commands to issue a correct ONT profile, or reset the ONT.
l
If
Match State
is
match
, it indicates that the configured capacity set of the ONT is the same
as the actual ONT capabilities. If
Match State
is
mismatch
, it indicates that the configured
capacity set of the ONT is different from the actual ONT capabilities, which will cause
registration failure. In this case, add a new ONT service profile.
Step 4
Check the statistics of the ONT.
l
In the GIU mode, run the
display port statistics
command to query the traffic statistics of
the upstream port of the ONT. Specifically, check whether receive and transmit traffic exists.
l
In the GPON mode, run the
display statistics ont
command to query the performance
statistics of the ONT PON port.
l
In the GPON mode, run the
display statistics ont-eth
command to query the performance
statistics of the ONT.
Step 5
Check the data configuration of the ONT.
l
Run the
display dba-profile
command to check the DBA profile bound to the ONT.
l
Run the
display service-port
command to check whether the traffic stream configuration is
correct.
l
Run the
display vlan
command to check whether the upstream port of the ONT is added to
a VLAN.
Step 6
Check the status of the upper-layer device. Specifically, check whether the OLT is in the normal
state.
----End
6.2 Tools Used for Troubleshooting
This topic describes the tools required for troubleshooting: digital multimeter and optical power
meter.
6.2.1 Digital Multimeter
This topic describes the functions and usage instructions of the digital multimeter.
6.2.2 Optical Power Meter
This topic describes the appearance, functions, and usage instructions of the optical power meter.
6.2.1 Digital Multimeter
This topic describes the functions and usage instructions of the digital multimeter.
The digital multimeter is a simple and practical test meter frequently used in the electrotechnical
and electronic industries. It is inexpensive, convenient to carry and easy to use, and has a
complete set of functions.
Basically, the digital multimeter is used to measure the resistance, DC voltage, AC voltage,
current and capacitance, and test diodes and triodes.
To use the digital multimeter, do as follows:
EchoLife HG8240/HG8245/HG8247 GPON Terminal
Service Manual
6 Troubleshooting
Issue 02 (2011-01-26)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
6-5