Manual 7XV5655-0BB00
SIEMENS AG
Page 15 of 79
C53000-G1176-C175-3
Meaning of Displays
The LEDs indicate the state of the device and have the following meaning:
Fig. 6: Connectors, displays (LEDs) and INIT button
•
GOK
Device run: switched on, operating voltage OK
device
operational
•
System
Slow flashing (approx. 1Hz):
no connection to the terminal device
fast flashing (approx. 2Hz) :
connection with the terminal device is running (CONNECT)
•
LAN
Physical connection with the network is operational
•
LAN RxD
Receiving
data
packets from the Ethernet
•
LAN TxD
Transmitting data packets to the Ethernet
•
COM RxD
Receiving data on the serial line
from the terminal device (RS232/485 or FO)
•
COM TxD
Transmitting data on the serial line
to the terminal device (RS232/485 or FO)
•
ERROR
Error on the serial line (RS232/485 or FO)