Chapter 3: Subsystem Monitoring
Status-indicating LEDs
3-3
Component
LEDs per Module
Total LEDs
Definition
LCD Panel
3 3
See
Section 3.2.2
Drive Trays
2 32
See
Section 3.2.3
Controller
Module(s)
8 8
See
Section 3.2.4
LAN Ports
2 2
See
Section 3.2.5
BBU
(optional)
1 1
See
Section 3.2.6
PSUs
1 2
See
Section 3.2.7
Cooling
Modules
2 4
See
Section 3.2.8
Table 3-1: LED Distribution
LED definitions are given in the following sections.
3.2.2 LCD
Panel
The LCD panel shown in
Figure 3-1
consists of five (5) buttons, three (3)
LEDs, and a 16x2-character LCD screen that indicates subsystem status.
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 keys to select viewing items. In the last
item, “View and Edit Event Logs,” the most recent event is displayed first.
The
MUTE
button stops the alarm until the next controller event occurs.
Three (3) LEDs monitor the status of the system. The definitions of these
LEDs are given in
Table 3-2
below.
Figure 3-1: LCD Panel LEDs
