Instruction manual

1. Components Overview
21
NOTE
If you press the back and forward buttons at the same time, you can
perform a lamp test. For details about operations in addition to the
lamp test and the information that can be displayed on the LCD, see
11 Switch Management in the Software Manual Configuration Guide
Vol. 1.
NOTE
If you perform a lamp test, LEDs light up for fan units, power units,
management and switching units, and network interface units whose
power is on.
NOTE
The LCD has a backlight.
The backlight turns on in the following cases:
z When the Switch is turned on
z When a button is pressed
If no buttons are pressed for 60 seconds, the backlight turns off
automatically.
If a Switch failure occurs, the failure information appears on the LCD,
and the backlight blinks.
(3) LEDs and switches
Table 1-11 LED indications and switches
Name Type Status Description
STATUS
LED: Green,
orange, or red
Indicates the operating
status of the control and
switching unit.
Green: Operation is possible.
Orange: Self-diagnosis is in progress.
Blinking green: Software is being
loaded.
Red: A failure has been detected.
Off: Power is off. (The control and
switching unit can be replaced.)
#1
ACC LED: Green
Indicates the memory
card status.
Green: The memory card is being
accessed. (Do not remove the memory
card.)
Off: The memory card is in idle mode.
(A memory card can be plugged in or
removed.)
RESET
Switch
(non-locking)
Used to reset the Switch
manually.
#2
Press one second: Use this method
when a Switch failure has occurred.
#3
Press five seconds: Use this method
when you have forgotten the
password.
#4
ACH
Switch
(non-locking)
Used to switch the
system of the control and
switching unit.
#2 #5
When the control and switching unit is
duplicated, use this switch to switch
between the active system and the
standby system.
ACTIVE LED: Green
Indicates whether the
control and switching unit
is the active system or
the standby system.
Green: Indicates the active system.
Off: Indicates the standby system.
SYSTEM1
LED: Green,
orange, or red
Indicates the Switch
status.
Green: Operation is possible.
Orange: A partial Switch failure was
detected.
Red: A Switch failure was detected.