MSI Hetis 945 - RJ-45 LAN Jack and Pin Definition

2-15
Chapter 2 - Mainboard Hardware
USB Ports
The mainboard provides a UHCI (Universal Host Controller Interface) Universal
Serial Bus root for attaching USB devices such as keyboard, mouse or other USB-
compatible devices. You can plug the USB device directly into the connector. The
mainboard supports USB1.1 & 2.0 devices.
USB Ports
1 2 3 4
5 6 7 8
8 1
LAN (RJ-45) Jack
The mainboard provides 1 standard RJ-45 jack for connection to single Local
Area Network (LAN). This Giga-bit LAN enables data to be transferred at 1000, 100 or
10Mbps. You can connect a network cable to it.
Giga-bit LAN Pin Definition
PIN SIGNAL DESCRIPTION
1 D0P Differential Pair 0+
2 D0N Differential Pair 0-
3 D1P Differential Pair 1+
4 D2P Differential Pair 2+
5 D2N Differential Pair 2-
6 D1N Differential Pair 1-
7 D3P Differential Pair 3+
8 D3N Differential Pair 3-
RJ-45 LAN Jack
PIN SIGNAL DESCRIPTION
1 VCC +5V
2 -Data 0 Negative Data Channel 0
3 +Data0 Positive Data Channel 0
4 GND Ground
5 VCC +5V
6 -Data 1 Negative Data Channel 1
7 +Data 1 Positive Data Channel 1
8 GND Ground
USB Port Description