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LED Mark Status
Description
RPS status
LED
RPS
Steady green
Both AC and DC inputs are normal.
Steady yellow
The AC input is abnormal or no AC input is
present, while the DC input is normal.
Off
No DC input is present.
10/100/10
00 Base-T
Ethernet port
status LED
N/A
Steady green
A 1000 Mbps link is present on the port.
Flashing green (33 Hz)
The port is receiving or transmitting data at
1000 Mbps.
Steady yellow
A 10/100 Mbps link is present on the port.
Flashing yellow (33 Hz)
The port is receiving or transmitting data at
10/100 Mbps.
Off
No link is present on the port.
Gigabit SFP
port status
LED
N/A
Steady green
A 1000 Mbps link is present on the port.
Flashing green (33 Hz)
The port is receiving or transmitting data at
1000 Mbps.
Off
No link is present on the port.
Expansion
slot LED
MOD1 (or
MOD2)
Steady green
An interface module is connected.
Steady yellow
The slot does not support the interface module
installed in it.
Flashing green
The interface module is receiving or
transmitting data.
Flashing yellow
The interface module has failed the POST.
Off
No interface module is present in the slot, or the
interface module is not connected.