EonStor S12E-R1132-4/G1133-2 Installation and Hardware Reference Manual
․
Inter-Integrated Circuit (I
2
C):
An I
2
C bus connects to
temperature sensors and presence detection circuits that
reside on PSUs, backplane, cooling modules, RAID controller
board, and the BBU. If any problem is detected, it will be
reported in the ways stated above.
3.2 Status-indicating
LEDs
3.2.1
LCD Keypad Panel
The LCD keypad as shown below consists of five (5) buttons, three
(3) LEDs, and a 2-row x 16-character LCD screen that provides
access to the firmware-embedded utility. (See
Figure 3-1
) Press the
ENT
button for two (2) seconds on the initial screen to enter the main
menu. Press the
ESC
button to clear the current event. Press the
UP
and
DOWN
arrow key buttons to select viewing items. As to the
MUTE
button, it is used to silence the alarm temporarily until the next
controller event occurs. For more information on how to use these
buttons, please refer to the
Firmware Operation Manual
.
The definitions of LEDs on the panel are given in
Table 3-1
:
Figure 3-1: LCD Keypad Panel
Name
Color
Status
PWR
(Power)
Blue
ON
indicates that power is supplied to
the subsystem.
OFF
indicates that no power is supplied
to the subsystem or the subsystem/RAID
controller has failed.
BUSY
White
FLASHING
indicates that there is active
traffic on the host/drive channels.
OFF
indicates that there is no activity on
3-2
