Leds "L1" And "L2; Port Leds - Siemens SIMATIC NET SCALANCE XM-400 Operating Instructions Manual

Description of the device
4.5 LED display
4.5.2

LEDs "L1" and "L2"

Note
Only the port extender PE408PoE has the LEDs "L1" and L2".
The LEDs "L1" and "L2" display information about the PoE power supply at the connectors L1+/M1
und L2+/M2.
From the "L1" and "L2" LEDs you can see whether the PoE power supply is higher or lower than
46 V.
LED color
-
Green
4.5.3

Port LEDs

The port LEDs "P1", "P2" etc. show information about the corresponding ports.
The meaning of the Port LEDs depends on the display mode set on the basic device.
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
26
LED L1/L2 L1/L2 connector
LED status
Off PoE power supply lower than 46 V
On PoE power supply higher than 46 V
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
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 sta‐
tus, 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
Operating Instructions, 03/2021, C79000-G8976-C332-10
Extender for SCALANCE XM-400