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Description of the device
4.7 LED display
The meaning of the Port LEDs depends on the set display mode, see section "LEDs "DM1" and
"DM2" (Page 39)".
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 still displayed. If there is a connection problem and autonegotiation
is active, the port LED goes off.
Meaning in display mode C
In display mode C, the port LEDs indicate the mode.
LED color
-
Green
36
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
LED status
Off
On
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
Meaning
Port operating in half duplex mode
Port operating in full duplex mode
Operating Instructions, 03/2023, C79000-G8976-C586-02
SCALANCE XR-300
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