Board Setup

Mezzanine fastening hardware #

For mechanical fastening of the mezzanine card to the carrier board, the Ethernet FMC comes with 2x hex standoffs, and the Robust Ethernet FMC comes with 4x hex standoffs. It is recommended to use a machine screw on each of these standoffs to fix the mezzanine card to the carrier board.

The hex standoff and machine screw part numbers are listed below:

• Hex standoff, Thread M2.5 x 0.45, Brass, Board-to-board length 10mm
  Part number: V6516C
  Manufacturer: Assmann

• Machine screw, Thread M2.5 x 0.45, Length (below head) 4mm, Stainless steel, Phillips head
  Part number: 90116A105
  Supplier: McMaster-Carr