
CompuLab Ltd. FACE Modules – HW Specifications Page 36 of 63
6 FM-XTDE4U2/4 – Quad LAN FACE Module
6.1 Description
FM-XTDE4U2/4 FACE Module incorporates 4 ports of GbE LAN supporting 10/100/1000BASE-T Ethernet
connectivity and compliant with IEEE 802.3/u/ab standard through a market regular RJ-45 connectors. It
also features 4 additional USB2.0 downstream ports supporting data rates up to 480Mbps.
Refer to Compatibility Matrix for products fit.
6.2 Highlights
4x GbE LAN 10/100/1000BASE-T compliant with IEEE 802.3/u/ab
4x USB2.0 downstream ports, up to 480Mbps half-duplex
6.3 Block Diagram
Figure 18 – FACE Module FM-XTDE4U2/4 block diagram
HOST
/ FACE Module interface
USB2.0 @480Mbps
Quad RJ45
with
Magnetics
Connector
USB2.0 @480Mbps
USB2.0 @480Mbps
USB2.0 @480Mbps
PI6C20400
1:4 Clock Driver
CML differential
PCIe REFCLK @100MHz
PCIe CLK_1
@ 100MHz
PCIe CLK_2
@ 100MHz
PCIe CLK_3
@ 100MHz
PCIe CLK_4
@ 100MHz
82574L
Intel GbE
Controller
82574L
Intel GbE
Controller
82574L
Intel GbE
Controller
82574L
Intel GbE
Controller
PCIe 1.1 @2.5Gbps (x1)
PCIe 1.1 @2.5Gbps (x1)
PCIe 1.1 @2.5Gbps (x1)
IEEE 802.3/u/ab
PCIe 1.1 @2.5Gbps (x1)
SPI Nor
Flash
SPI Nor
Flash
SPI Nor
Flash
SPI Nor
Flash
SPI
IEEE 802.3/u/ab
IEEE 802.3/u/ab
IEEE 802.3/u/ab
EEPROM
IEEE 802.3/u/ab corresponds
10/100/1000BASE-T Ethernet
SMBus
SPI
SPI
SPI
Dual
USB Type-A
receptacle
Dual
USB Type-A
receptacle
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