Emu Front Panel; Emu Communications Connectors; System Fault Led And Alarm Control Switch; Figure 3-3 Emu Major Component Locations - Compaq StorageWorks DS-BA370 Series User Manual

EMU Front Panel

The EMU user interface controls, connectors, and LED displays are
on the front panel (see Figure 3–3). The following sections describe
the function of each component.
Figure 3–3 EMU Major Component Locations
1
2
3
4
5
6
CXO5774A

EMU Communications Connectors

These connectors (C
ALLOUTS
communications between the master EMU and expansion EMUs.

System Fault LED and Alarm Control Switch

The amber system fault LED is part of the alarm control switch
(C 2). This LED turns O
ALLOUT
The system fault LED starts F
fault codes to display.
If the system fault LED is F
alarm control switch turns the audible alarm O
code LED display.
Pressing the alarm control switch for at least 5 seconds clears all
stored active fault codes. New fault detection and display continues.
If the enclosure is in standby power mode, momentarily pressing the
alarm control switch restores dc power to the enclosure.
Environmental Monitoring Unit
Figure C
1. EMU communications connector
7
(labeled IIC)
2. System fault LED (amber) and alarm
control switch
3. Temperature fault LED (amber)
4. Power status LED (green)
5. Maintenance terminal connector
6. Blower fault LEDs (amber)
7. EMU communications connector
(labeled IIC)
1 and 7) provide for EMU–EMU
if an error condition is detected.
N
if the EMU has one or more
LASHING
, momentarily pressing the EMU
LASHING
UltraSCSI RAID Enclosure 3–5
ALLOUTS
and initiates a fault
FF