How to make IP68 enclosures

IP 68 sealing is important for military computers and other units.

The usage of right type of gaskets and sealants are required.

The important aspect is how to water seal the cable glands and connectors.

there are hermitically sea;led connectors available.

How to wire VME backplanes

Rear wiring of VME back plane is a tricky business.

We can use one out of the following:

1. Berg connectors
2. 5 row connectors
3. wire wrap
4. Sandwich PCB with edge connectors.

Any other technique available please let me know.