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E6581741
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2.4. LED indicator
The LED shows the present
status of the network and module.
The behavior of LNK LED
Link Activity
Protocol Color and behavior Meaning
OFF No link
Flashing Green/Red Power up testing
Green ON Link at 100Mbps
Yellow ON Link at 10Mbps
Green Blink Activity at 100Mbps
EtherNet/IP
&
Modbus TCP
Yellow Blink Activity at 10Mbps
The behavior of MS LED
Module Status
Protocol Color and behavior Meaning
OFF No power is supplied to the device
Flashing Green/Red Power up testing
Green ON The option is operating correctly
Green flashing The option has not been configured
Red flashing The option has detected a recoverable minor fault
EtherNet/IP
Red on The option has detected a non-recoverable major fault
OFF The option does not have an IP address or powered off
Flashing Green/Red Power up testing
Green ON The option is ready
Green flashing The option is not ready (waiting for cable connection or etc.)
Red flashing The option has detected a communication error (err8)
Modbus TCP
Red ON The option has detected a option module error (e-23)
The behavior of NS LED
Network Status
Protocol Color and behavior Meaning
OFF The option does not have IP address or powered off
Flashing Green/Red Power up testing
Green ON The option has at least one established connection
Green flashing The option does not have at least one established connection
Red flashing One or more of the connections in which this device is the target
has time out. This shall be left only if all time out connections are
re-established or if the device is reset
EtherNet/IP
Red on Error: duplicate IP address
OFF The option does not have an IP address or powered off
Flashing Green/Red Power up testing
Green ON At least one port is connected and an IP address has been
obtained
Green flashing 3 times All ports are unplugged, but the card has an IP address
Green flashing 4 times Error: duplicate IP address
Modbus TCP
Green flashing 5 times The card is performing a BOOTP or DHCP sequence
NS
LNK
MS
LNK