Technical data

CHALLENGE/Onyx Diagnostic Road Map 3-9
Figure 3-7 F Mezzanine Board Fault Indicator and Voltage Regulator Locations
3.2.2.6 Power Boards
The are five different power boards that can be installed in the Challenge/Onyx deskside
and rackmount systems: the System Controller, 505, 505x2, 512, and 512S. Each board has
one or more power fault LEDs. Figure 3-8 shows power-fault LEDs for the System
Controller, 505, 505x2, and 512 boards.
Figure 3-8 Power Board Fault LEDs
3.2.3 SCSIBox Drive Enclosure
There is a +5 V and a +12 V power LED located behind each drive in the SCSIBox. Both
LEDs are green and are lit during normal operation (see Figure 3-8).
Voltage Fault LED
G6M1(for standard
F mezzanine)
A1K5 (for short
F mezzanine)
1.5 V Regulator
System Controller
(Ebus Board)
1.5 V Fault
LED (red)
505 Board 512 Board 505x2 Board
12 V Power Brick
Output (amber)
Power
Fault
LED (red)
Power
Fault
LED (red)
12 V Power Brick
Output (amber)
5 V Power Brick
Output (amber)
5 V Power Brick
Output LEDs
(4 amber)
Power
Fault
LED (red)