LEDs
30
6 LEDs
Table 14 Front Panel LEDs
LED
State
Description
Power 1 LED-PWR1
On
Power 1 is connected and operates properly.
Off
Power 1 is not connected or operates abnormally.
Power 2 LED-PWR2
On
Power 2 is connected and operates properly.
Off
Power 2 is not connected or operates abnormally.
Running LED-Run
Blinking
The CPU operates properly.
On
The CPU is starting up.
Off
The CPU does not start up.
Ring LED-Ring
On
Master (DT-Ring mode)/Root (DRP mode)
Blinking
Slave (DT-Ring mode)/B-Root or Normal (DRP
mode)
Off
No ring
Alarm LED-Alarm
On
An alarm occurs.
Off
No alarm occurs.
Synchronization Finish LED-Lock
On
The switch has completed PTP synchronization.
Blinking
The switch is performing PTP synchronization
Off
The
switch
has
not
performed
PTP
synchronization.
Port speed LED-
Slot (1-7) Speed
(1-4)
10/100/1000Bas
e-T(X) Ethernet
port
On
1000M working state (1000Base-TX)
Off
10/100M working state (10/100Base-T(X)) or no
connection
1000Base-X
Ethernet port
On
1000M working state (1000Base-TX)
Off
100M working state (100Base-FX) or no
connection
