Power Supply Mode
Troubleshooting Procedure
PoE power supply
1. Check whether the power sourcing
equipment supports PoE or is faulty.
2. Check whether the power output mode
of the power sourcing equipment is
supported by the powered device.
3. Check whether the power sourcing
equipment can support the maximum
power consumption of the device.
4. 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.
5. Check whether the network cable or
distribution frame is faulty.
6. If the device still cannot be powered on,
the device itself is faulty. Contact
technical support personnel or Huawei
agent and ask them to replace the device.
NOTE
The output power of an 802.3af PSE port is 15.4 W, that of an 802.3at PSE port is 30 W, and that of an
802.3bt PSE port is 60 W.
AP4050DN-E
Hardware Installation and Maintenance Guide
4 Hardware Failures
Issue 05 (2018-02-02)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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