Siemens SIMATIC NET SCALANCE SC-600 Operating Instructions Manual page 33

Meaning in display mode B
In display mode B, the port LEDs indicate the transmission speed.
LED color
-
Green
Orange
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
Meaning in display mode D
In display mode D, the port LEDs indicate whether the port is monitored.
LED color
-
Green
SCALANCE SC-600
Operating Instructions, 10/2021, C79000-G8976-C453-04
LED status
Off
On
On
LED status
Off
On
LED status
Off
On
Meaning
Port operating at 10 Mbps
Port operating at 100 Mbps
Port operating at 1000 Mbps
Meaning
Port operating in half duplex mode
Port operating in full duplex mode
Meaning
Port is not monitored.
If no link was established at the port the signaling
contact does not indicate an error.
Port is monitored.
If no link was established at the port the signaling
contact indicates an error.
Description of the device
4.5 LED display
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