There are four types of LEDs on the GSCU panel: the RUN, ALM, and ACT LEDs, and the LEDs of the Ethernet ports.
Table 1 describes the LEDs on the GSCU panel.
LED |
Color |
Status |
Meaning |
|---|---|---|---|
RUN |
Green |
On for 1s and off for 1s |
The board is working. |
On for 0.125s and off for 0.125s |
The board is loading data. |
||
On |
There is power input but the board is faulty. |
||
Off |
There is no power input or the board is faulty. |
||
ALM |
Red |
Off |
There is no alarm. |
On or blinking |
There is an alarm. |
||
ACT |
Green |
On |
The board works in active mode. |
Off |
The board works in standby mode. |
Table 2 describes the LEDs of the Ethernet ports on the GSCU panel.
LED |
Color |
Status | Meaning |
|---|---|---|---|
LINK |
Green |
On |
LEDs of the Ethernet ports, indicating that the link is connected |
Off |
LEDs of the Ethernet ports, indicating that the link is disconnected |
||
ACT |
Green |
Blinking |
LEDs of the Ethernet ports, indicating that there is a data flow |
Off |
LEDs of the Ethernet ports, indicating that there is no data flow |