Leds In The Operational State; Audible Alarm Sound Patterns; Visual Error Indicators - HP StorageWorks 2500 User Manual

LEDs on the rear of the enclosure indicate the status of the EMU, I/O modules, and power supply/blower
assemblies. Operational states of the LEDs are shown in
Figure 26 LEDs in the operational state
Audible error indicators
If enabled, the audible alarm sounds when the EMU detects an error. The sound pattern identifies the
error severity.
instructions to control the alarm.
Table 9 Audible alarm sound patterns
Error severity
Unrecoverable
Critical
Noncritical
Information
Legend

Visual error indicators

I/O module and transceivers
LEDs on the I/O module report the status of transceiver signals and I/O module power. Use
and Table 10
50
Troubleshooting
Table 9 shows the duration of the different alarms. See
Cycle 1
Alarm on
to interpret the I/O module errors and determine what action to take.
Figure 26.
CXO7959A
"Audible
Cycle 2
Alarm off
alarm" on page 41 for
Figure 27