Instruction manual

4. Installing a Switch
127
Figure 4-50 Turning on the power
(1) Power switch
Set all power switches to ON within five seconds of turning the first
switch on. If you take longer than five seconds, the management and
switching unit detects a power failure, and the failure information is
displayed on the LCD.
If this happens, take action as described in the following table.
Display on the LCD Action
E8 PS Msg=00000001 The Switch is ready.
Set all power switches to ON. (When
the power failure is resolved, the display
on the LCD disappears.)
[MD] FAULT 2200
220000aa00bb
The Switch is unable to start operation
because the power supply capacity is
insufficient.
Set all power switches to OFF, and then
set them to ON again.
NOTE
The values for <aa> and <bb> above vary depending on the
installation status of the power supply unit and the status of the power
supply.
NOTE
When you set the power switch to OFF and then ON again, wait at
least two seconds between the OFF and ON operations.
(2) Turning off the power
Step 1
Make sure the software is not being updated (the ppupdate command is not being