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Network status (ns) indicator, Link status (lnk) indicator – Rockwell Automation 1788-ENBT EtherNet/IP Daughtercard Installation Instructions User Manual

Page 8

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8 EtherNet/IP Daughtercard

Publication 1788-IN054A-EN-P - September 2002

Network Status (NS) Indicator

This LED indicates whether or not the daughtercard has an IP address and whether
or not connections are established.

Link Status (LNK) Indicator

This LED indicates whether or not the daughtercard is communicating on the
Ethernet link.

Condition

Status

Indicates

Recommended Action

off

not initialized

The daughtercard does not have an
IP address and is operating in
BOOTP mode.

Verify that the BOOTP server is
running.

flashing
green

no CIP
connections
established

The daughtercard has an IP
address, but no CIP connections are
established.

Normal operation if no connections
are configured. No action required.
If connections are configured, check
connection originator for connection
error code.

green

CIP connections
established

The daughtercard has an IP address
and CIP connections (Class 1 or
Class 3) are established.

Normal operation. No action required.

red

duplicate IP
address

The daughtercard has detected that
the assigned IP address is already
in use.

Verify that all IP addresses are unique.

flashing
red/green

self-test

The daughtercard is performing its
power-up self-test.

Normal operation during powerup.

Condition

Status

Indicates

Recommended Action

off

no link

The daughtercard is not connected
to a powered Ethernet device. The
daughercard cannot communicate
on Ethernet.

Verify that all Ethernet cables are
connected.
Verify that Ethernet switch is
powered.

flashing
green

self-test

The daughtercard is performing its
power-up self-test.

Normal operation during powerup.

data
transmission
and reception

The daughtercard is communicating
on Ethernet.

Normal operation. No action required.

green

link okay

The daughtercard is connected to a
powered Ethernet device. The
daughtercard can communicate on
Ethernet.

Normal operation. No action required.