Description of the device
4.5 LED display
Extender for SCALANCE XM-400
Operating Instructions, 09/2018, C79000-G8976-C332-08
27
4.5
LED display
The following figure shows the arrangement of the LEDs.
2/3
LEDs for displaying the device position
L1/L2
LEDs for displaying the PoE power supply (PE408PoE only)
P
LEDs for displaying the port status
4.5.1
LEDs "2" and "3"
Meaning
The "2" and "3" LEDs show the position of the port extender beside the basic device.
LED
LED status
Position
2
On
The port extender is directly connected to the basic device.
3
On
There is another port extender between the basic device and the
port extender.
Port name
To be able to address a specific port in Web Based Management or Command Line
Interface, the ports require a unique identifier.
The port identifier is made up of the position of the device and the port number. The basic
device always has position 1. With the extenders, you can read the position at LEDs "2" and
"3".
Examples:
●
Port 1.1
On the basic device port "P1"
●
Port 2.1
On the extender on which LED "2" is lit, port "P1"
●
Port 3.2
On the extender on which LED "3" is lit, port "P2"
