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6.3. Ethernet Connectors (USB30_LANA LAN A & USB_LANB LAN B)
The MITX-CFL0 Series supports two channels of 10/100/1000 Mbit Ethernet, which are based Intel® I211-AT and Intel®
I219-LM (model with Q370 chipset) / Intel® I219-LM (model with H310 chipset) controllers.
In order to achieve the specified performance of the Ethernet port, Category 5 twisted pair cables must be used with
10/100 MByte and Category 5E, 6 or 6E with 1 Gbit LAN networks.
The signals for the Ethernet ports are as follows:
Figure 7: Ethernet Connectors USB30_LANA LAB A, USB_LANB LAN B
LED status:
Off - Link is down
Flashing Green - Link is up and active
Steady Green - Link is up, no activity
Table 13: Pin Assignment Ethernet Connectors USB30_LANA LAN A, USB30_LANB LAN B
Pin
Signal
1
TX1+
2
TX1-
3
TX2+
4
TX3+
5
TX3-
6
TX2-
7
TX4+
8
TX4-
Signal Description
Signal
TX1+ / TX1-
TX2+ / TX2-
TX3+ / TX3-
TX4+ / TX4-
'MDI' - - media dependent Interface
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8 7 6 5 4 3 2 1
Note
Description
In MDI mode, this is the first pair in 1000Base-T, i.e. the BI_DA+/- pair, and is the transmit
pair in 10Base-T and 100Base-TX. In MDI crossover mode, this pair acts as the BI_DB+/-
pair, and is the receive pair in 10Base-T and 100Base-TX.
In MDI mode, this is the second pair in 1000Base-T, i.e. the BI_DB+/- pair, and is the
receive pair in 10Base-T and 100Base-TX. In MDI crossover mode, this pair acts as the
BI_DA+/- pair, and is the transmit pair in 10Base-T and 100Base-TX.
In MDI mode, this is the third pair in 1000Base-T, i.e. the BI_DC+/- pair. In MDI crossover
mode, this pair acts as the BI_DD+/- pair.
In MDI mode, this is the fourth pair in 1000Base-T, i.e. the BI_DD+/- pair.In MDI crossover
mode, this pair acts as the BI_DC+/- pair.
MITX-CFL0 Series - User Guide, Rev. 1.1
LED status:
Orange - 1000 Mbit/s link established
Green - 100 Mbit/s link established
Off - 10 Mbit/s link established
// 30
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