Sun Microsystems Netra 440, Service Manual

Page: 32 / 166

14 Netra 440 Server Service Manual • August 2004
Back Panel LEDs
The back panel LEDs include the enclosure status LEDs, the Ethernet port LEDs, the
power supply LEDs, and the SYSTEM controller card LED. The enclosure status
LEDs are replicated from the front panel.
FIGURE 1-8
Back Panel LEDs
Ethernet Connection LEDs
A set of Ethernet LEDs is located on each Ethernet port. The Ethernet LEDs operate
as described in the following table.
TABLE 1-7
Ethernet LEDs
Name Description
Link/Activity This green LED lights when a link is established at the
particular port with its link partner, and blinks to indicate
activity.
Speed This amber LED lights when a Gigabit Ethernet connection is
established, and is off when a 10/100-Mbps Ethernet
connection is established.
Enclosure status LEDs
Ethernet connection LEDs
Network management port LED
Power supply LEDs