Instructions for deploying Impero Connect on Toshiba 4690 OS can be found in the Toshiba support library (login required), here https://toshibacommerce.com > Support Overview > TCx Sky & 4690 OS (from the Software dropdown). Look for the most recent user guide (E.g. TCx Sky User's Guide). Download it and look for chapter called "Using the Impero Connect host for 4690".
Using the Impero Connect host for 4690