Internal Diagnostic Leds - Cisco Secure Network Server 3600 Series Hardware Installation Manual

Cisco Secure Network Server 3600 Series Appliance Overview
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Internal Diagnostic LEDs

The server has internal fault LEDs for CPUs, DIMMs, and fan modules.
Rear unit identification
Power supply status (one LED for each
power supply unit)
Cisco Secure Network Server 3600 Series Appliance Hardware Installation Guide
Internal Diagnostic LEDs
• Off—The unit identification function is not
in use.
• Blue, blinking—The unit identification
function is activated.
AC power supplies:
• Off—No AC input (12 V main power off,
12 V standby power off).
• Green, blinking—12 V main power off; 12
V standby power on.
• Green, solid—12 V main power on; 12 V
standby power on.
• Amber, blinking—Warning threshold
detected, but 12 V main power on.
• Amber, solid—Critical error detected; 12
V main power off (for example,
over-current, over-voltage, or
over-temperature failure).
DC power supplies:
• Off—No DC input (12 V main power off,
12 V standby power off).
• Green, blinking—12 V main power off; 12
V standby power on.
• Green, solid—12 V main power on; 12 V
standby power on.
• Amber, blinking—Warning threshold
detected, but 12 V main power on.
• Amber, solid—Critical error detected; 12
V main power off (for example,
over-current, over-voltage, or
over-temperature failure).
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