Switching the System State
Switching the System State
Summary
This section describes how to switch the system state from the
run state to the standby state and vice-versa.
Run State
The power supply supplies power to the IFP, system module,
and other devices installed in the system. The system operates
normally only in the run state.
Standby State
The power supply supplies power only to the IFP in the standby
state. You must switch the system to the run state before you
can use it.
Switching
to the
Standby State
The following table lists the steps that you must follow to switch
the system from the run state to the standby state:
Step
Action
Result
1
Shut down the operating system,
following the instructions in the
operating system documentation.
2
Press and hold the Run/standby key.
The IFP displays the PROGRAM
SHUTDOWN? message. The
question mark then disappears.
3
When the question mark disappears,
release the Run/standby key.
The IFP continues to display the
PROGRAM SHUTDOWN message.
4
Press the Run/standby key again,
within two seconds, to switch the
system to the standby state.
When the system switches to the
standby state, the IFP displays
the SHUTDOWN - SWITCH RUN
/STBY message on the second line.
Then it displays the SYSTEM OFF
(STANDBY) message.
5
If you failed to press the Run/standby
key within the time limit, start the
procedure again at step 2.
3–6 Using the IFP
