NEC EXPRESS5800/180Ra-7 User Manual page 22

J – DEU (tower-based system)
K – Power LED
L – LVD SCSI LED
M – 2ch mode LED
N – Power failure LED
O – Fan failure
P – Option bay
Q – SCSI hard drive bays
R – Activity light, CD-ROM drive.
(Note that the status indicators may
vary per model of CD-ROM drive.)
S – Load/eject button, CD-ROM drive.
(Note that the front controls may vary
per model of CD-ROM drive.)
T – Emergency hole, CD-ROM drive
(Note that the front controls may vary
per model of CD-ROM drive.)
U – Liquid Crystal Display (LCD)
panel
1-6 System Overview
Each bay contains one 3.5-inch disk drive (SCSI ID: from left
to right 0, 1, 2, 3, 8, 9, A, B). Each drive has three status
LEDs. Refer to Table 1-2 for information on disk drive status
LEDs.
When green, power is present in system. When off, power is
turned off or power source is disrupted.
Lights in green when operating in LVD SCSI mode.
Lights in green when hard disks are configured in two
channels with the AZA-2804 optional board mounted.
Lights in amber when a power supply fails. Replacement of
the failed power supplies turns off the lamp.
Lights in amber when one or more fans in the DEU fail. For
indication of fan failure, See "FanX Error LEDs" in Figure
1-4.
Additional bay for mounting a UPS or a second DEU.
Each bay contains one 3.5-inch disk drive (SCSI ID: 0 = left
bay, 1 = right bay). Each drive has three status LEDs. Refer
to Table 1-2 for information on disk drive status LEDs.
When lit, drive is in use.
Press to load CD and eject CD.
Insert a metallic pin (e.g., paper clip, etc.) to eject the CD
tray when the tray fails to open.
Displays information about BIOS and system failures (error
and diagnostic information).
Figure 1-3. Front Chassis Features and Controls