Siemens 7XV5655-0BB00 Manual page 15

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