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MS-7053 ATX Mainboard
RJ-45 LAN Jack: 10/100 LAN (Intel 82562) / Giga-bit LAN (Broadcom
PCI-E) (Optional)
The mainboard provides two standard RJ-45 jacks for connection to Local
Area Network (LAN). Giga-bit LAN enables data to be transferred at 1000, 100 or
10Mbps. You can connect a network cable to either LAN jack.
Activity Indicator
8
RJ-45 10/100 LAN Jack
LED
Color
LED State
Off
Left
Orange
On (steady state)
On (brighter & pulsing)
Green
Off
Right
On
Orange
On
The pin assignments vary depending on the transfer rates: 10/100Mbps or
1000Mbps. Note that Pin 1/2, 3/6, 4/5, 7/8 must work in pairs. Please refer
to the following for details:
10/100 LAN Pin Definition
PIN
SIGNAL
DESCRIPTION
1
TDP
Transmit Differential Pair
2
TDN
Transmit Differential Pair
3
RDP
Receive Differential Pair
4
NC
Not Used
5
NC
Not Used
6
RDN
Receive Differential Pair
7
NC
Not Used
8
NC
Not Used
E-2-12
Link Indicator
1
RJ-45 Giga-bit LAN Jack
Condition
LAN link is not established.
LAN link is established.
The computer is communicating with another
computer on the LAN.
10 Mbit/sec data rate is selected.
100 Mbit/sec data rate is selected.
1000 Mbit/sec data rate is selected.
PIN
1
2
3
4
5
6
7
8
8
1
Giga-bit LAN Pin Definition
SIGNAL
DESCRIPTION
D0P
Differential Pair 0+
D0N
Differential Pair 0-
D1P
Differential Pair 1+
D2P
Differential Pair 2+
D2N
Differential Pair 2-
D1N
Differential Pair 1-
D3P
Differential Pair 3+
D3N
Differential Pair 3-
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