beautypg.com

Figure 2-3, Table 2-5 – Sun Microsystems Sun Fire V490 User Manual

Page 45

background image

Chapter 2

System Overview

17

FIGURE 2-3

Sun Fire V490 Server Back Panel Features

Main system LEDs—Locator, Fault, and Power/OK—are repeated on the back panel.
(See

TABLE 2-1

,

TABLE 2-2

, and

TABLE 2-3

for descriptions of front panel LEDs.) In

addition, the back panel includes LEDs that display the status of each of the two
power supplies and both on-board Ethernet connections. Two LEDs located on each
Ethernet RJ-45 connector display the status of Ethernet activity. Each power supply
is monitored by four LEDs.

Details of the diagnostic use of LEDs are discussed separately in the section,
“How to Isolate Faults Using LEDs” on page 172.

TABLE 2-5

lists and describes the Ethernet LEDs on the system’s back panel.

TABLE 2-5

Ethernet LEDs

Name

Description

Activity

This amber LED lights when data is either being
transmitted or received by the particular port.

Link Up

This green LED lights when a link is established at the
particular port with its link partner.

SC card

USB ports

Serial port

FC-AL port

AC input for

SC ports:

Serial

Ethernet

Power Supply 1
status LEDs

Power Supply 0
status LEDs

Power/OK LED

Locator LED

Ethernet ports

PCI card slots

Fault LED

AC input for
Power Supply 0

Power Supply 1

(The ports above not visible in this illustration;
see Figure 2-4.)

(see Figure 2-4)