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3.3 Connectors description
3.3.1
Ethernet connector
Gigabit Ethernet Connector- CN3
Pin
Signal
Pin
1
GBE_MDI0+
2
GBE_MDI0-
3
GBE_MDI1+
4
GBE_MDI2+
required. Cables category Cat6 are recommended for noise reduction and EMC compatibility issues, especially when the length of the cable is significant.
GBE_MDI0+/GBE_MDI0-: Ethernet Controller Media Dependent Interface (MDI) I/O differential pair #0. It is the first differential pair in Gigabit Ethernet mode, and the
Transmit differential pair in 10/100 Mbps modes.
GBE_MDI1+/GBE_MDI1-: Ethernet Controller Media Dependent Interface (MDI) I/O differential pair #1. It is the second differential pair in Gigabit Ethernet mode, and
the Receive differential pair in 10/100 Mbps modes.
GBE_MDI2+/GBE_MDI2-: Ethernet Controller Media Dependent Interface (MDI) I/O differential pair #2. It is the third differential pair in Gigabit Ethernet mode; it is not
used in 10/100Mbps modes.
GBE_MDI3+/GBE_MDI3-: Ethernet Controller Media Dependent Interface (MDI) I/O differential pair #3. It is the fourth differential pair in Gigabit Ethernet mode; it is
not used in 10/100Mbps modes.
X86
UDOO X86 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: S.B. - Reviewed by M.B. Copyright © 2017 SECO S.r.l.
On board, there is a Gigabit Ethernet connector, for the direct
connection of the UDOO x86 module to a wired LAN.
The Ethernet connection is managed by a dedicated Realtek RTL8111G
Signal
Gigabit Ethernet controller, interfaced to PCI-express port #2.
5
GBE_MDI2-
This interface is compatible both with Gigabit Ethernet (1000Mbps) and
6
GBE_MDI1-
with Fast Ethernet (10/100Mbps) Networks. They will configure automatically to work with the
existing network.
7
GBE_MDI3+
8
GBE_MDI3-
Please be aware that it will work in Gigabit mode only in case that it is connected to Gigabit
Ethernet switches/hubs/routers. For the connection, cables category Cat5e or better are
23
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