Connectors: Both contact surfaces must also be the same material?

[Al Kossow]

On 7/10/16 1:14 AM, Paul Birkel wrote:

> Almost every DEC System Unit ("backplane") that I've ever seen uses
> tinned-contacts, yet the Modules all use gold-plated fingers.
>

I'm not near one right now, but there should be gold plating on the finger in the DEC
connector block at the point of contact with the pcb edge connector. It's easier to
see on the VAX era blocks.