Gigabit Lan Subsystem; Lan Connector Led Locations; Lan Connector Led States - Intel BOXD945GCZL Technical Product Specification

1.11.3

Gigabit LAN Subsystem

The Gigabit (10/100/1000 Mbits/sec) LAN subsystem includes the Intel 82573/82574 controller
and an RJ-45 LAN connector with integrated status LEDs.
®
1.11.3.1 Intel 82573E/82573V/82574V Gigabit Ethernet Controller
The Intel 82573E/82573V/82574V Gigabit Ethernet Controller supports the following features:
•
PCI Express link
•
10/100/1000 IEEE 802.3 compliant
•
Compliant to IEEE 802.3x flow control support
•
Jumbo frame support
•
TCP, IP, UDP checksum offload
•
Transmit TCP segmentation
•
Advanced packet filtering
•
Full device driver compatibility
•
PCI Express Power Management Support
The 82573E Gigabit Ethernet Controller also supports the following:
•
Intel Active Management Technology
•
Alert Standard Format (ASF) 2.0.
1.11.3.2 RJ-45 LAN Connector with Integrated LEDs
Two LEDs are built into the RJ-45 LAN connector (as shown in Figure 14). Table 6 describes the
LED states when the board is powered up and the Gigabit LAN subsystem is operating.
Table 6.

LAN Connector LED States

LED Color
Left Green
N/A
Right Green
Yellow
Green LED
Figure 14. LAN Connector LED Locations
LED State
Off
On
Blinking
Off
On
On
Green/Yellow LED
OM16513
Condition
LAN link is not established.
LAN link is established.
LAN activity is occurring.
10 Mbits/sec data rate is selected.
100 Mbits/sec data rate is selected.
1000 Mbits/sec data rate is selected.
Product Description
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