Instruction Manual

TME-EXP-ETH8-1V3 Rev 1.3 Page 11 of 17
3 Module Description
3.1 Gigabit Ethernet Controller
On board there are eight gigabit Ethernet controller mounted, all are from the same type INTEL 82574.
The 82574IT is a single, compact, low power component that offers a fully-integrated Gigabit Ethernet Media
Access Control (MAC) and Physical Layer (PHY) port.
The 82574 uses the PCI Express architecture.
Ethernet Connector
Connector type: RJ45
3.2 LED Indicators
Link and Activity Speed
Link
The green LED indicates that a link
to another device has been
established.
Activity
During transmission the green LED
starts flashing.
100 Mbit/s
A green LED indicates that a
established connection uses that
data rate.
1 Gbit/s
A yellow LED indicates that a
established connection uses that
data rate.
PIN Signal (Port A)
1 D1+
2 D1-
3 D2+
4 D3+
5 D3-
6 D2-
7 D4+
8 D4-