Siemens SCALANCE X-200 - Manual (Page 56)

Product Characteristics
4.5 SCALANCE X204-2
Notice
The C-PLUG may only be inserted or removed when the power is off!
Removing the C-PLUG
It is only necessary to remove the C-PLUG if the basic device develops a fault.
The C-PLUG can be removed from the slot using flat pliers, tweezers, or a small screwdriver.
4.5.9 SCALANCE X204-2 Displays
Fault indicator (red LED)
Status Meaning
lit red The SCALANCE X204-2 detects an error. At the same time, the
signaling contact opens.
The following faults are detected:
1. Link down event on a monitored port
2. Failure of one of the two redundant power supplies.
3. Device startup, the LED is lit for approx. 20s.
flashes red An internal fault was detected.
Notify the maintenance personnel and, if necessary, send the
device in for repair.
not lit No fault detected by the SCALANCE X204-2.
Power indicator (green LED)
The status of the power supply is indicated by two green LEDs:
Status Meaning
lit green Power supply L1 or L2 is connected.
not lit Power supply L1 and/or L2 not connected or <14 V.
Port status indicator (green/yellow LEDs)
The status of the ports is indicated by six LEDs:
Status Meaning
Port 1 through 8 LED lit green TP link exists, no data reception
Port 1 through 8 LED lit yellow TP link exists, data received at TP port
Industrial Ethernet SCALANCE X-100 and SCALANCE X-200 Product Line
4-42
Commissioning Manual, 1,