Application Interface Description - Fibocom L-831-EA User Manual

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3.2 Application Interface Description

L831-EA module uses 75-pin gold fingers as the external interface, the size of the module please refer to
the section3.1.
As shown in Figure 4-2, L831-EA module uses the 75-pin fingers interface (67pin is the signal interface
and Pin8 is notch).
About the naming rules of M.2, L831-EA adopts the Type 3042-S3-B (30mmx42mm,the maximum
thickness of element layer of Top surface is 1.5mm, the thickness of PCB is 0.8mm, Key ID is B).
L831-EA Module Hardware User Manual
Page 17 of 43

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