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Chapter 4

Interpreting Status LEDs

Overview

Refer to this chapter when you need to interpret the meanings of the 13 status

LEDs on the DPU front panel. At various times the LEDs flash green,

yellow, red or display no color to indicate the associated hardware’s

functional status. Discussions in the following sections explain what the

color changes may indicate under different DPU states.

The status LEDs are divided into the following sections:

Network Status LEDs

maxNET Network A health

maxNET Network B health

Backup link health

Serial Port LEDs

Status for serial port 1

Status for serial port 2

IO Status LEDs

Digital Input status

Digital and Analog Output status

Analog Input, Thermocouple, RTD status

(The fourth LED is not labeled)

Hardware Status LEDs

Battery status

CP health

IOM processor health

DPU State LED

DPU State LED will display different color combinations based on being

a Standalone or Backup DPU and whether it is active or Inactive

All or some of the LEDs display a set of color codes associated with the

following DPU states:

• DPU during a Windows CE boot

• DPU during normal operation

• DPU shutting down

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Adaptec 1542B - AHA Storage Controller Fast SCSI 10 MBps Specifiche Pagina 21