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).
Power supply status (one LED for each power
supply unit)
6
• Off: No link is present.
• Green: Link is active.
• Green, blinking: Traffic is present on the active link.
1-Gb Ethernet dedicated management port7
—COM port (RJ-45 connector)8
—VGA display port (DB15 connector)9
Internal Diagnostic LEDs
The server has internal fault LEDs for CPUs, DIMMs, and fan modules.
Cisco Secure Network Server 3700 Series Appliance Hardware Installation Guide
9
Cisco Secure Network Server 3700 Series Appliance Overview
Internal Diagnostic LEDs