LED Behavior
LED 1 : Modbus TCP/IP
Blink
Green
No current TCP Connections
Solid
Green
At least 1 TCP Connection is made and is communicating to the router
Blink
Red
Attempted to open a TCP Connection but failed
Off
Ethernet cable is unplugged
LED 2 : Modbus RTU/ASCII
Blink
Green
No RTU/ASCII Connection has ever been made
Solid
Green
RTU/ASCII Connection is valid and is communicating to the router within the Inactivity
Timeout configured
Blink
Red
RTU/ASCII Request has been received by the router, but the TCP/IP Server device is not
present
Real Time Automation, Inc.
22
1-800-249-1612