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6-6 TCP/IP Ethernet Communications User’s Manual – January 1996
GFK-1004B
The operator must correct the fault forcing entry into this state before the Ethernet
Interface may proceed. In most cases this may be done by using the Logicmaster 90-70
Configurator or the Station Manager CHSOSW command. It cannot be performed
remotely from the network. After entering new Soft Switch information or correcting
another fault, the Ethernet Interface must be restarted to begin using these new values.
In the Soft Switch Entry state, a NODE command to the Station Manager will yield a
“Soft Switch Entry Utility” message following the station identification information; also,
the Station Manager prompt is an asterisk (“*”).
Table 6-3. Soft Switch Entry State
LED Soft Switch Entry State
MODULE OK Slow Blink
ONLINE OFF
STATUS OK OFF
Slow Blink = Blink ON every 2 seconds.
The Field Network Test State
The Field Network Test state is selected by entering a “F” or “f” in response to the “@”
prompt at the local Station Manager terminal at the end of power-up diagnostics. The
“f” will not be echoed back. A limited subset of Station Manager commands is provided
in this state. Refer to Chapter 5, “Field Network Test Utility” for a detailed description of
the Field Network Test state and to Chapter 2, “Installation Procedure 5 - Testing the
Ethernet Interfaces on the Network” for an application. The table below shows the LED
patterns for Field Network Test State.
In the Field Network Test State, a NODE command to the Station Manager will indicate
“Field Network Test Utility”. The Station Manager prompt is a dollar sign (“$”).
Table 6-4. Field Network Test State
LED
Connected to LAN
Not Connected to LAN
LED
Operating w/o
Exceptions
An Exception
has Occurred
Not Connected to LAN
MODULE OK ON ON ON
ONLINE ON/Blink
1
ON/Blink
1
OFF
STATUS OK ON OFF
2
OFF
2
1. ONLINE blinking indicates this node is sending or receiving data.
2. When MODULE OK is ON and STATUS OK is OFF, it is necessary to use the Station Manager
NODE, LOG, and SOSW commands to distinguish among the possible causes.