Instructions

Operation
23 (30)
7.3.4 Ethernet LED
Indicates the Ethernet communication status.
LED state
Description
Comments
Off No Ethernet communication Possible causes: device unsuccessfully initialized, device
not connected to Ethernet or no communication
Green flashing
TCP/IP packet transmitted
successfully
Communication was successful
Orange flashing
TCP/IP packet not transmitted
TCP/IP congestion
Bad or slow TCP/IP connection, messages can not be
transmitted to CAN and are jammed
7.3.5 Link Speed LED
The yellow LED indicates the link speed.
LED state
Description
Off
10 MBit/s
Orange
100 MBit/s
7.3.6 Link/Activity LED
Indicates connection status of the Ethernet interface.
LED state
Description
Comments
Off No link detected No connection to Ethernet network, Network cable
damaged
Green
Link Ethernet connection established, no communication
present
Green flashing
Activity
Ethernet connection established, communication
present
7.3.7 CAN LED
CAN 1-4 LEDs indicate the status of the corresponding CAN interface.
LED state
Description
Comments
Off
No CAN communication No connection to CAN
Orange flashing Indicates a state of the automatic
baud rate detection
See User Manual CAN Gateway Configurator
Green flashing
CAN communication
LED is triggered with each CAN message
Green CAN communication
Device in Operational state, no messages on CAN bus
Red flashing
CAN communication, CAN
controller in Error state
CAN controller in Error Warning or Error Passive state,
reception/transmission of CAN messages possible
Red Bus off CAN controller is in Bus Off state, no CAN
communication possible
CAN@net NT User Manual
4.01.0332.20000 1.6 en-US