Siemens SIMATIC NET SCALANCE X-300M Compact Operating Instructions page 27

Meaning in display mode D
LED
L1 / L2
L
* Limit voltage = 17 VDC
)
The P1, P2, ... LEDs for the port status
The P1, P2, ... LEDs show information on the status of their port (transmission speed, mode, port
monitoring). The meaning of these LEDs depends on the display mode ("DM" LED).
Meaning in display mode A
LED color
-
green
yellow
Meaning in display mode B
LED color
-
green
orange
SCALANCE X-300M
Compact Operating Instructions, 05/2023, A5E02630801-14
Color Status
- off
green on
- off
orange on
green on
LED status
off
on
flashes once per second
flashes 3 times per second Link exists and port turned off by management. In this sta‐
flashes 4 times per second Port exists and is in the "monitor port" status. In this status,
flashes / lit
LED status
off
on
on
Meaning
X308-2M (24 VDC)
Power supply L1 / L2 is not
monitored. If L1 / L2 falls be‐
low 17 V * , the signaling con‐
)
tact does not respond.
Power supply L1 / L2 is moni‐
tored. If L1 / L2 falls below 17
V * , the signaling contact re‐
)
sponds.
Power supplies L1 and L2 are not monitored. If L1 or L2 falls
below 17 V, the signaling contact does not respond.
Power supply L1 or L2 is monitored. If L1 or L2 falls below 17
V, the signaling contact responds.
Power supplies L1 and L2 are monitored. If L1 and L2 fall be‐
low 17 V, the signaling contact responds.
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 sends and receives management data (no user
data).
tus, no data is sent or received via the port.
the data traffic of another port is mirrored to this port.
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
Port operating at 10 Mbps.
Port operating at 100 Mbps.
Port operating at 1000 Mbps.
Device description
4.3 LED display
X308-2M TS (12 VDC)
Power supply L1 / L2 falls be‐
low 12 V,
the signaling contact does
not respond.
Power supply L1 / L2 is moni‐
tored. If L1 / L2 falls below 12
V, the signaling contact re‐
sponds.
27