
CompuLab Ltd. FACE Modules – HW Specifications Page 18 of 63
2 FM-4USB – USB2.0 FACE Module
2.1 Description
FM-4USB is the basic FACE Module provide 4x USB2.0 (up to 480Mbps) extended connectivity. Used as
default option in CompuLab system configurations.
Refer to Compatibility Matrix for products fit.
2.2 Highlights
4x USB2.0 downstream ports, up to 480Mbps half-duplex
2.3 Block Diagram
Figure 4 – FACE Module FM-4USB block diagram
USB Type-A
receptacle
USB Type-A
receptacle
USB Type-A
receptacle
USB Type-A
receptacle
HOST
/ FACE Module interface
(EXT
1 connector only
)
USB2.0 @480Mbps
USB2.0 @480Mbps
USB2.0 @480Mbps
USB2.0 @480Mbps
USB VBUS current limit
Common Mode noise filtering
ESD protection
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