Sun Microsystems Sun Fire V480, Administration Manual

Page: 49 / 270

Chapter 2 System Overview 21
TABLE 2-6
lists and describes the power supply LEDs on the system’s back panel.
Also accessible from the back panel are:
■
Inlets for both AC power supplies
■
Six PCI card slots
■
One Sun Remote System Control (RSC) card slot
■
Six external data ports: USB, serial, Ethernet, and FC-AL (see
FIGURE 2-4
)
FIGURE 2-4
Back Panel External Ports
TABLE 2-6
Power Supply LEDs
Name Description
Power supply
OK-to-Remove This blue LED lights when it is safe to remove the power
supply from the system.
Power supply
Fault This amber LED lights whenever the power supply’s
internal microcontroller detects a fault in the monitored
power supply. Note that the Fault LED on the front panel
will also be lit when this occurs.
Power supply
DC Present This green LED lights when the power supply is on and
outputting regulated power within specified limits.
Power supply
AC Present This green LED lights whenever a proper AC voltage
source is input to the power supply.
USB ports (2)
Ethernet ports
Serial port
FC-AL port