Port Leds - Siemens SCALANCE XM-400 Operating Instructions Manual

2.7.7

Port 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 25)".
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
Orange
Green
If there is a connection problem and the type of transmission is fixed (autonegotiation off),
the desired status, in other words the set transmission speed (1000 Mbps, 100 Mbps, 10
Mbps) continues to be 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
SCALANCE XM-400
Operating Instructions, 05/2014, C79000-G8976-C306-03
LED status
Off
On
Flashes once per period*
Flashes three times per
period*
Flashes four times per
period*
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 status, the
port can receive and send data.
Link exists and port in "blocking" status. In this status, the
port only receives management data (no user data).
Link exists and port turned off by management. In this
status, no data is sent or received via the port.
Link exists and is in the "monitor port" status. In this
status, 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
Description of the device
2.7 LED display
27