Siemens SCALANCE XRH-300

4.7.5 "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 LED status Meaning
- O󹪜 No valid link on the port (e.g. the communication partner is
switched o󹪜 or the cable is not connected) or the link is
present but the port is switched o󹪜 by management. In this
state, no data is sent or received via the port.
Green On Link exists and port in normal status. In this state, the port
can receive and send data.
Flashes once per period* Link exists and port in "Blocking" status. In this state, the
port only receives management data (no user data).
Flashes four times per pe‐
riod*
Link exists and is in the "Monitor Port" status. In this state,
the data tra󹪟c of another port is mirrored to this port.
Yellow Flashing / lit Receiving data at port
* 1 period ≙ 2.5 seconds
Meaning in display mode B
In display mode B, the port LEDs indicate the transmission speed.
LED color LED status Meaning
- O󹪜 Port operating at 10 Mbps
Green On Port operating at 100 Mbps
Flashes once per period* Port operating at 10 Gbps
Yellow On Port works at 1 Gbps
Flashes twice per period* Port works at 2.5 Gbps
Flashes 󹪝ve times per peri‐
od*
Port works at 5 Gbps
* 1 period ≙ 2.5 seconds
When the transfer settings of a port are permanently set (autonegotiation disabled) and a
connection error occurs, the port LED will still show the set transmission rate. When
autonegotiation is enabled, the port LED will go o󹪜 in case of a connection error.
Meaning in display mode C
In display mode C, the port LEDs indicate the mode.
LED color LED status Meaning
- O󹪜 Port operating in half duplex mode
Green On Port operating in full duplex mode
Description of the device
4.7 LED display
SCALANCE XRH-300/XRM-300
Equipment Manual, 10/2022, C79000-G8976-C546-01 35