Extron Electronics DMP 44 LC User Guide - Manual (Page 18)

Digital Input Ports
The three-pin Digital Input port is used to monitor or drive TTL level digital signals. The
port consists of three input pins with the fourth pin being used as a ground providing
three inputs total. The DSP Configurator software provides a selection of functions to be
loaded to the DMP 44 LC (see the “
Software Control ” section).
1. From the menu bar, click Tools > Configure Digital Inputs to access the
Configuration utility.
2. Select the digital input to configure.
DMP 44 LC • Operation 12