User's Manual

4.1 An device Fails to Be Powered On
Fault Description
The SYS indicator of a device is off.
Possible Causes
l The power sourcing equipment does not support the PoE function or is faulty.
l The power sourcing equipment is incorrectly configured (the PoE function is disabled or
the power-off time range is improperly set).
l The line is faulty (the network cable or distribution frame is damaged).
l The AP is faulty.
Troubleshooting Procedure
1. Check whether the power sourcing equipment supports PoE or is faulty.
2. Check whether the configuration on the power sourcing equipment causes PoE power
supply errors, such as the PoE function is disabled or the power-off time range is incorrectly
set.
3. Check whether the network cable or distribution frame is faulty.
4. If the device still cannot be powered on, the device itself is faulty. Contact Huawei technical
support engineers or Huawei agent and ask them to replace the device.
4.2 An Optical Interface Cannot Turn Up
Fault Description
After an optical interface is connected to a remote device through an optical fiber, its LINK
indicator is off.
Possible Causes
l The optical fiber is faulty.
l The optical module on the optical interface cannot meet the requirements.
Troubleshooting Procedure
1. Replace the optical fiber and optical module and check whether the optical interface can
turn Up. Ensure that the optical module meets the following requirements.
2. Determine optical module attributes.
l The optical module has passed Huawei certification.
l The transmission speed of the optical module is the same as the interface speed.
l The wavelength of the optical module is the same as that of the remote optical module.
l The transmission distance of the optical module is suitable for the actual distance
between the two devices.
Huawei AP8030DN & AP8130DN
Hardware Installation and Maintenance Guide
4 Hardware Failures
Issue 03 (2015-05-18) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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