Owner's manual

NOTE:
Although the EMU can determine the logical address of a drive, the EMU can neither display nor
change this information. HP Command View EVA can display the add resses from the EMU-supplied
status information.
EMU monitoring functions
The internal EMU circuitry monitors the enclosure and component functions listed in Table 12.
Table 12 EMU monitoring functions
Component
Monitored Functions
Blowers
• Installation
• Removal
• Type
• Speed (rpm)
Disk drives
• Installation
• Removal
• Bypass status
• Loop ID
• Temperature
• Drive fault
EMU
• Temperature
• Operation
• Type
• Revision level
Enclosure
• Enclosure power
• Enclosure fault
• Backplane type
• Backplane revision level
I/O module
• Installation
• Removal
• Status
• Type
• Revision level
Power supplies
• Installation
• Removal
• Status
• Type
• Revision level
• +5 VDC voltage and current
• +12 VDC voltage and current
• Total power
• Temperature
Transceiver
• Type
• Link status
EMU displays
The EMU uses a combination of status indicators, a lphanumeric display, and an audible alarm to indicate
the operational status of the enclosure and its components. See Table 13.
Table 13 EMU status displays
Display
Function
Audible alarm (For i n formation on the audible alarm, see
"Audible Alarm Operations" on page 57.)
Any EMU–d etected condition causes this
alarm to sound.
Status ind icators (For a description of the status
indicators, see "EMU LED Displays" on page 56.)
Display enclosure and EMU status.
Alphanumeric display (For a description of the alphanumeric
display, see "Using the Alphanumeric Display" on page 56.)
The two-character, seven-segment display
displays alphanumeric characters.
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