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12-20-2002
Figure Sheet 1-853-A
Page 4
SBPC-21-EN/IP Network Status
The SBPC-21-EN/IP network status is determined by interpretation of the external LED status as
described in the table below.
Figure 1-4: SBPC-21-EN/IP LED Indicators
Table 1-1
LINK LED
LED State
Meaning
Off
Ethernet network not detected.
Solid Green
The SBPC-21-EN/IP is connected to an Ethernet network.
MODULE STATUS
LED State
Meaning
Off No
power.
Solid Green
The Ethernet module is operating properly.
Flashing Green
The Ethernet module has not been initialized.
Flashing Red
A minor recoverable fault has been detected.
Solid Red
An internal error has been detected.
Flashing Green / Red
Self-test in progress.
NETWORK STATUS
LED State
Meaning
Off
No power or no IP address has been assigned.
Solid Green
At least one Ethernet/IP connection is established.
Flashing Green
No Ethernet/IP connections are established.
Flashing Red
One or more of the connections in which this module is the target has timed
out. This state is only left if all timed out connections are reestablished or if the
module is reset.
Solid Red
Duplicate IP address detected.
Flashing Green / Red
Self-test in progress.
ACTIVITY LED
LED State
Meaning
N/A
The ACTIVITY LED flashes green when a packet is received or transmitted.
