MSI ATX Motherboard G52-MA00362 - Manual (Page 25)

Hardware Setup
2-13
LAN Jack (RJ-45) (optional)
The mainboard provides one standard RJ-45 jack for connection
to Local Area Network (LAN). You can connect a network cable to the
LAN jack.
LAN RJ-45 Jack
Pin Definition
PIN SIGNAL DESCRIPTION
1 RDN Receive Differential Pair
2 RDP Receive Differential Pair
3 GND Ground
4 GND Ground
5 GND Ground
6 GND Ground
7 TDN Transmit Differential Pair
8 TDP Transmit Differential Pair