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GFK-1004B
Chapter 2 Installing the Ethernet Interface
Board Indicators
There are three LEDs on the Ethernet Controller board. The table below describes the
meaning of the LED patterns for all possible states.
Table 2-1. Ethernet Controller Board Indicators
Indicator Status Description
MODULE OK ON MODULE OK is ON if the Ethernet Interface has passed
diagnostics and its hardware is operating properly.
OFF It is OFF if the module fails a diagnostic test or if a fatal
failure is detected while the board is running.
BLINKING This LED is blinking if the module is running
diagnostics or is in Soft Switch Entry state.
If this LED and the STATUS OK LED are blinking
together, diagnostics have completed and the operator
is being given a chance to enter Field Network Test.
ONLINE ON ONLINE is ON when the Ethernet Interface is
connected to and ready to communicate on the network.
OFF This LED is OFF when:
the station is not communicating on the network
due to disconnection or a disruption of the cable.
the local station has malfunctioned, or the
Ethernet Interface has been commanded not to enter
the network, or is in a state where network operation
is inappropriate, such as Soft Switch Entry state or
local loading.
BLINKING It is BLINKING when the module is transferring data
on the network or loading over the network.
STATUS OK ON STATUS OK is ON if the module is running without
exception conditions.
OFF This LED is OFF if the module is running and detects an
event that calls for supervisory attention. In this case
you should connect the GSM and follow the instructions
in Chapter 5 to obtain further information.
BLINKING This LED is BLINKING if the module is loading or look-
ing for a load source for the Ethernet Interface software.
Restart Button
The Restart button serves two functions: Restart, and Restart and Reload. The Restart
button is inaccessible when the door to the Ethernet Controller board is closed.
Restart: Pressing the Restart button (for fewer than 5 seconds) forces a restart of the
Ethernet Interface. The power-up diagnostics run and the software on the module is
restarted when the pushbutton is released.
Restart and Reload: Pressing and holding the Restart button for 5 seconds or more
forces a restart and requests a reload of the Ethernet Interface. When the Restart button
is pressed, all LEDs go out. After 5 seconds have elapsed, the STATUS OK LED comes
ON, to indicate that the Ethernet Interface will request a reload. After the Restart push-
button is released, the power-up diagnostics run and the Ethernet Interface requests to
be loaded.