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Meaning in display mode A
LED color
LED status
Meaning
-
off
No valid link to the port (for example station turned off or
cable not connected).
green
on
Link exists and port in normal status. In this status, the port
can receive and send data.
flashes once per second
Link exists and port in "blocking" status. In this status, the
port only sends and receives management data (no user
data).
flashes 3 times per second Link exists and port turned off by management. In this sta‐
tus, no data is sent or received via the port.
flashes 4 times per second Port exists and is in the "monitor port" status. In this status,
the data traffic of another port is mirrored to this port.
yellow
flashes / lit
Receiving data at port.
With SCALANCE X-300 devices, both the receipt and the
sending of data is indicated for the optical gigabit ports.
Meaning in display mode B
LED color
LED status
Meaning
-
off
Port operating at 10 Mbps.
green
on
Port operating at 100 Mbps.
orange
on
Port operating at 1000 Mbps.
If there is a problem on the connection 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 problem on the connection and autonegotiation
is active, the port LED goes off.
Meaning in display mode C
LED color
LED status
Meaning
-
off
Port operating in half duplex.
green
on
Port operating in full duplex.
Meaning in display mode D
LED color
LED status
Meaning
-
off
The port is not monitored; in other words, if a link is not
established at the port, this does not trigger the signaling
contact.
green
on
The port is monitored, in other words, if no connection was
established at the port (for example no cable inserted), this
triggers the signaling contact and an error state results.
orange
on
The port is monitored, in other words, when a valid con‐
nection exists at the port (for example non-permitted cable
inserted), this triggers the signaling contact and an error
state results.
Device description
4.3 LED display
SCALANCE XR-300M
Compact Operating Instructions, 11/2019, A5E02661171-15
25
Summary of Contents for SCALANCE XR-300M
Page 10: ...Introduction SCALANCE XR 300M 10 Compact Operating Instructions 11 2019 A5E02661171 15 ...
Page 12: ...Safety notices SCALANCE XR 300M 12 Compact Operating Instructions 11 2019 A5E02661171 15 ...
Page 82: ...Index SCALANCE XR 300M 82 Compact Operating Instructions 11 2019 A5E02661171 15 ...