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cPCI-DMXS64GX Technical Reference Manual
3.28
3.4.7. Connector
Keying
CompactPCI connector support guide lugs to ensure a correct polarized mating. A proper
mating is enhanced by the use of color coded keys for 3.3V and 5V operation.
Color coded keys prevent inadvertent installation of a 5V peripheral board in a 3.3V slot.
The cPCI-DMXS64GX is universal. It does not support coding key. The PCI bus does not
require to be keyed. Backplane connectors must always be keyed according to the signaling
(VIO) level.
Coding Key Colors are defined as follows:
Signaling Voltage
Key Color
3.3V Cadmium
Yellow
5V Brilliant
Blue
Universal board (5V and 3.3V)
none
-48V Red
Summary of Contents for cPCI-DMXS64GX
Page 69: ...cPCI DMXS64GX Technical Reference Manual 3 26 1 Rev...
Page 108: ...D 1 D BOARD DIAGRAMS D 1 TOP DEVICES SURFACE MOUNT...
Page 109: ...cPCI DMXS64GX Technical Reference Manual D 2 D 2 ASSEMBLY BOTTOM DIAGRAM...
Page 110: ...Board Specifications D 3 D 3 MOUNTING HOLES...
Page 111: ...cPCI DMXS64GX Technical Reference Manual D 4 D 4 CONNECTOR HOLES...