
9
• If the access controller has two main control boards working in active-standby mode, pressing the
reset button on the active main control board causes the system to switch to the standby main control
board. This results in a transient service interruption.
• If the access controller has two main control boards, pressing the reset button on the standby main
control board causes the standby main control board to reboot without affecting system operation.
CAUTION:
• When you press the reset button to restart the access controller, any unsaved confi
uration chan
es will
be lost.
• Do not press the reset button while the access controller is rebootin
or accessin
the CF card or USB
device, as this may damage the file system of the access controller.
LEDs on the main control board panel
Table 9 Description of the LEDs on the main control board panel
LEDs Status Meaning
Off The board is out of position.
RUN
(Green)
Blinking The board is operating normally.
Off The board is out of position or working normally.
SLOT0 to SLOT2
ALM
(Red)
On The board is faulty.
On The fans are operating normally.
OK
(Green)
Off At least one fan is faulty or out of position.
On At least one fan is faulty or out of position.
FAN
FAIL
(Red)
Off The fans are operating normally.
On The board is in active state.
ACTIVE
ACTIVE
(Green)
Off The board is in standby state.
Figure 9 LEDs on the EWPX1WCMB0
1
2 3
4
5
1: Slot 0 status LEDs 2: Slot 1 status LEDs
3: Slot 2 status LEDs 4: Fan status LEDs
5: ACTIVE LED
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