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Physical Dimensions
EPM-4 Reference Manual Reference – 19
HARDWARE ASSEMBLY
The EPM-4 uses pass-through PC/104 and PC/104-Plus connectors so that expansion modules
can be added to the top or bottom of the stack. PC/104 (ISA) modules must NOT be positioned
between the Lynx and any PC/104-Plus (PCI) modules on the stack. The PC/104 pass-through
connector on the EPM-4 Rev 4 is keyed (pins B10 and C19 missing) to provide greater
compatibility with other PC/104 compliant devices.
The entire assembly can sit on a tabletop or it can be secured to a base plate. When bolting the
unit down, make sure to secure all four standoffs to the mounting surface to prevent circuit board
flexing. Standoffs are secured to the top circuit board using four pan head screws. Refer to the
drawing on page 17 for dimensional details.
An extractor tool is available (part num
ber VL-HDW-201) to separate the modules from
the
stack.
S
TACK ARRANGEMENT
Figure 3. PC/104 Card Added to Top of Stack