Enabling rear panel GPIO on the PDM II

Scope

This document covers the steps required to enable the rear panel GPIO on the PDM II. The steps here are the same as an original PDM but the number of pins is different between the two.

Description

Beyond the physical wiring of the pins on the rear GPIO port of the PDM, there are a number of steps required to enable, configure, and test. This includes enabling the whole port at the global level, assigning functions to the input and output pins, and then entering the test mode to check your work.

Here is a YouTube video that demonstrates the steps we'll cover here.

Configuring the GPIO

There are two ways to enable and configure the rear GPIO on the PDM II

  • via the PDM II web page

  • via the PDM II front panel

We'll cover both here; however, if you have your PDM already connected to a network, the web page is the easiest.