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