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Description of the device
4.7 LED display
Meaning in display mode D
In display mode D, the "L1" and "L2" LEDs indicate whether the power supply is monitored.
LED color
-
Green
4.7.7
"P" LEDs
The port LEDs "P1", "P2" etc. show information about the corresponding ports.
The meaning of the Port LEDs depends on the set display mode, see section "LEDs "DM1" and
"DM2" (Page 34)".
Meaning in display mode A
In display mode A, the port LEDs indicate whether a valid link exists.
LED color
-
Green
Yellow
* 1 period ≙ 2.5 seconds
Meaning in display mode B
In display mode B, the port LEDs indicate the transmission speed.
LED color
-
Green
Yellow
Green
If a connection error occurs when the transmission mode is permanently set (autonegotiation
off), the target state, i.e. the set transmission speed (10 Gbps, 1 Gbps, 100 Mbps, 10 Mbps), is
36
L1/L2 LED
L1/L2 connector
LED status
Off
Power supply is not monitored.
The signal contact does not respond if neither L1 nor L2 is connected
to an adequate power supply.
On
Power supply is monitored.
The signal contact responds if neither L1 nor L2 is connected to an
adequate power supply.
LED status
Off
On
Flashes once per period*
Flashes three times per pe‐
riod*
Flashes four times per pe‐
riod*
Flashing / lit
LED status
Off
On
On
Flashing
Meaning
No valid link to the port (for example station turned off or
cable not connected).
Link exists and port in normal status. In this state, the port
can receive and send data.
Link exists and port in "blocking" status. In this state, the
port only receives management data (no user data).
Link exists and port turned off by management. In this
state, no data is sent or received via the port.
Link exists and port is in the "monitor port" status. In this
state, the data traffic of another port is mirrored to this port.
Receiving data at port
Meaning
Port operating at 10 Mbps
Port operating at 100 Mbps
Port operating at 1000 Mbps
Port operating at 10 Gbps
Operating Instructions, 10/2022, C79000-G8976-C584-01
SCALANCE XC-300
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