Hardware Installation and Reference Guide Product Overview
23
LED
The system is being initialized.
The system is operating normally.
A system over-temperature alarm is generated.
1. The temperature severely exceeds the
threshold, and the system restarts.
2. A system failure occurs.
The indicator shows the switching status.
The indicator shows the PoE status.
No link is detected for this port.
The port has a 10/100/1000 Mbps link up.
The port is receiving or transmitting data.
PoE status LED of
RJ45 port
No link is detected for this port.
The port is receiving or transmitting data.
The optical attenuation value exceeds the value
specified in the communication quality
requirements.
The optical module is in position, but the optical
module fails or an optical link failure occurs.
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