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What is the Tau2 PCB Wearsaver and what does it do?

The Tau2 Wearsaver was designed to be an internal engineering/manufacturing calibration accessory, rather than an OEM interface. There is a Hirose mating connector on one side of the board, as shown in the picture below:

Hirose Mating Connector

When the Wearsaver is attached to the Tau2 camera, there are no exposed connectors, just the solder pads for a 20-pin Samtec (and 14 pads for pogo pins). The pad connections are limited to input power, RS-232, analog video, and LVDS. The Wearsaver board does NOT provision for External Sync, Discretes, or CMOS signals. The physical layout is shown in the picture below.


Physical Layout