LEDs
Table 23 LEDs at a glance
LED
System status LED
10/100/1000Base-T Ethernet port LED
SFP port LED
SFP+ port LED
Management Ethernet port LEDs
Interface card status LED
System status LED
Every switch has a system status LED on both the front and rear panels. The two LEDs are the same
and concurrently show the operating status of the switch.
Table 24 System status LED description
LED mark
SYS
10/100/1000Base-T Ethernet port LED
Each 10/100/1000Base-T auto-sensing Ethernet port has a status LED to show port operating status
and activities.
Table 25 10/100/1000Base-T auto-sensing Ethernet port LED description
Port LED status
Steady green
Steady yellow
Off
SFP port LED
Each SFP port has a status LED to show port operating status and activities.
Status
Flashing green
Flashing red
Off
Description
The port is operating at 1000 Mbps. The port LED fast flashes when the port is
sending or receiving data.
The port is operating at 10/100 Mbps. The port LED fast flashes when the port
is sending or receiving data.
No link is present on the port.
Availability
Entire series
Entire series
48G model/48G TAA model
Entire series
Entire series
48G model/48G TAA model
Description
The switch has started up properly.
An alarm is generated.
The switch is powered off.
60