Hardware Installation and Reference Guide Troubleshooting
23
6
Troubleshooting
6.1
Troubleshooting Flowchart
6.2
Typical Troubleshooting Cases
6.2.1
Ethernet Port Does Not Work After Being Connected to an Ethernet Cable
Check whether the device on the other end of the Ethernet is working normally, and then check whether the
Ethernet cable matches the current working speed. In addition, check whether the cable is connected normally.
6.2.2
Indicator Is Off for a Long Time
PoE power feeding: Check whether the other end of the PoE cable supports 802.11af or higher PoE
standards, and then check whether the Ethernet cable is properly connected.
Power adapter: Detect whether the adapter has received mains electricity, and then check whether the
adapter works normally.