Audible error indicators, Visual error indicators, I/o module and transceivers – HP StorageWorks 2500 Disk System User Manual

Page 50: Leds in the operational state, Audible alarm sound patterns

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

CXO7959A

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.

shows the duration of the different alarms. See "

for instructions to control the alarm.

Table 9 Audible alarm sound patterns

Error severity

Cycle 1

Cycle 2

Unrecoverable

Critical

Noncritical

Information

Legend

Alarm on

Alarm off

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

to interpret the I/O module errors and determine what action to take.

Troubleshooting