• Off—No link is present.
• Green—Link is active.
• Green, blinking—Traffic is present on the active link.
Node 1-Gb Ethernet dedicated management link status
(One each node)
4
• Off—The unit identification function is not in use.
• Blue, blinking—The unit identification function is
activated.
Node locator beacon
(One each node)
5
AC power supplies:
• Off—No AC input to any power supplies in the system
(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- or under-current,
over-voltage, or over-temperature failure).
• Amber, solid—If no AC input is supplied to one
power supply, the LED lights amber from the shared
system standby bus.
Power supply status
(One bi-color LED each power supply unit)
6
Internal Diagnostic LEDs in the Chassis
The fan tray in the chassis includes a fault LED for each of the fan modules. The four LEDs are numbered to
correspond to the four numbered fan modules.
Maintaining the Server Chassis
5
Maintaining the Server Chassis
Internal Diagnostic LEDs in the Chassis