Interpret the led indicators, Led indicator descriptions – Rockwell Automation 1785-ENET PLC-5 Ethernet Interface Module Installation Instructions User Manual
Page 43

PLC-5 Ethernet Interface Module 43
Publication 1785-IN019B-EN-P - January 2007
Interpret the LED Indicators
If your module is operating correctly, you see:
• Status LED indicator remains lit green
• Ethernet Transmit LEDs briefly light green when transmitting packets
If the LED indicators do not indicate the above normal operation, refer to the following
table.
LED Indicator Descriptions
TCP
tcpInSegs
Number of segments received
tcpOutSegs
Number of segments sent
tcpRetransSegs
Number of segments retransmitted
tcpInErrors
Number of segments discarded due to format errors
tcpOutRsts
Number of resets generated
tcpConnState
State of connection
tcpConnLocalAddress
Local IP address
tcpConnLocalPort
Local TCP port
tcpConnRemAddress
Remote IP address
tcpConnRemPort
Remote TCP port
Indicator
Color
Description
Probable Cause
Recommended Action
STAT
Solid red
Critical hardware fault.
Module requires internal
repair.
Contact your local
Allen-Bradley distributor.
Blinking red
Hardware or software fault (detected
and reported via a code).
Fault-code dependent.
Refer to module error codes.
Off
Module is functioning properly but it is
not attached to an active Ethernet
network.
Normal operation.
Attach the controller and
interface module to an
active Ethernet network.
Green
Ethernet channel 3A is functioning
properly and has detected that it is
connected to an active Ethernet network.
Normal operation.
No action required.
100M or
10M
Green
Lights (green) briefly when the Ethernet
port is transmitting a packet. It does not
indicate whether or not the Ethernet port
is receiving a packet.
Group
MIB
Description