The RSP card has eight discrete LED indicators and an LED dot-matrix display for system information.
The RSP-440, RSP-440 Lite, and RSP-880 have nine discrete LED indicators, a LED dot-matrix display
for system information, and three USB-specific LEDs. The RP has nine discrete LED indicators and a
LED dot-matrix display for system information.

Table 4-3

describes the discrete LEDs and the three USB LEDs on the RSP, RSP-440, RSP-440 Lite, and

RSP-880 cards.

Table 4-4

describes the discrete LED definitions for the RP and RP2 cards.

Table 4-3

RSP, RSP-440, RSP-440 Lite, RSP-880 Discrete LED Display Definitions

Indicator (Label)

Color

Description

Power Fail (FAIL)

Red

Standby Power Fail LED. The LED is turned off by the CAN bus controller
after it is up and running.

Off

Standby power is normal.

Critical Alarm (CRIT)

Red

Critical Alarm LED. A critical alarm has occurred.

Off
(Default after reset)

No critical alarm has occurred.

Major Alarm (MAJ)

Red

Major alarm LED. A major alarm has occurred.

Off
(Default after reset)

No major alarm has occurred.

Minor Alarm (MIN)

Amber

Minor alarm LED. A minor alarm has occurred.

Off
(Default after reset)

No minor alarm has occurred.

Synchronization
(SYNC)

Green

System timing is synchronized to an external timing source.

Amber

System timing is free running.

Off

LED never turns off.

Alarm Cutoff (ACO)

Amber

Alarm Cutoff has been enabled. The ACO push button was pressed after at
least one alarm has occurred.

Off
(Default after reset)

Alarm Cutoff is not enabled.

Internal Hard Disk
Drive (HDD)

[RSP only]

Green

Hard Disk Drive is busy/active. The LED is driven by the SAS controller.

Off
(Default after reset)

Hard Disk Drive is not busy/active