Cisco UCS C480 M5 Service Manual

• Off—No link is present.
• Green—Link is active.
• Green, blinking—Traffic is present on the active link.
1-Gb/10-Gb Ethernet link status (on both LAN1 and
LAN2)
2
• Off—Link speed is 10 Mbps.
• Amber—Link speed is 100 Mbps.
• Green—Link speed is 1 Gbps.
1-Gb Ethernet dedicated management link speed3
• Off—No link is present.
• Green—Link is active.
• Green, blinking—Traffic is present on the active link.
1-Gb Ethernet dedicated management link status4
• Off—The unit identification function is not in use.
• Blue, blinking—The unit identification function is
activated.
Rear unit identification5
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).
Power supply status (one LED each power supply unit)6
Internal Diagnostic LEDs
The system has the following internal fault LEDs to help with identifying a failing component:
• Each chassis fan module has a fault LED on top of the module. These fan LEDs operate only when the
system is in standby power mode.
• The CPU module has internal fault LEDs for CPUs and DIMMs on the CPU module board. POST and
runtime error detection routines are stored in on-board registers. The contents of the registers are preserved
for a limited time by a supercap voltage source.
To operate the LEDs, press switch SW1 on the board after the CPU module is removed from the chassis.
Cisco UCS C480 M5 Server Installation and Service Guide
33
Maintaining the Server
Internal Diagnostic LEDs

Cisco UCS C480 M5 Specifications

General

Brand	Cisco
Model	UCS C480 M5
Category	Server
Language	English