60
System status LED
(SYS) status
Seven-segment LED (Unit) status
Description
Steady green
The LED displays a capital
C
character.
The switch is the command switch in a
cluster.
The LED displays an
S
character.
The switch is a member switch in a
cluster.
The LED displays a lowercase
c
character.
The switch is a candidate switch for a
cluster.
The LED displays a number.
The member ID of the switch.
The seven-segment LED, the system status LED, and the port mode LED on the 5500-24G-PoE+-4SFP HI (2
slots), 5500-24G-PoE+-4SFP HI TAA (2 slots), 5500-48G-PoE+-4SFP HI (2 slots), or
5500-48G-PoE+-4SFP HI TAA (2 slots) that supports PoE can display the PoE power consumption
percentage of the switch. For relevant information, see
.
Table 18
Seven-segment LED description (II)
LED
LED status
Description
Port mode LED
(Mode)
System status
LED (SYS)
Seven-segment LED
Unit
Flashing green
(1 Hz) (PoE
mode)
Steady green
The LED displays different signs.
For example, the
sign indicates
that the switch is
outputting 0 to 20%
of the maximum PoE
output power.
Management Ethernet port LED
The management Ethernet port has a port LED to show its operating status and activities. The port mode
LED indicates the type of information that the port LED is showing.
Table 19
Management Ethernet port LED description
Port mode LED
(Mode) status
Management
Ethernet port LED
(ACT/LINK) status
Description
Steady green (rate
mode) or flashing
green ( 1 Hz, PoE
mode)
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.
Flashing yellow (3 Hz) POST has failed on the port.
0 - 20%
21 - 40%
41 - 60%
61 - 80%
81 - 100%