AT-iMG646xx Series Intelligent Multiservice Gateway and AT-EN646 Enclosure Installation Guide
Section II: Indoor Installation 27
Installation Options
You can install the gateway and enclosure in either of the following two
sequences:
Install the enclosure first, and the gateway later. In this situation, you
can use the instructions in the guide that was shipped with the
enclosure, or the instructions in the next chapter of this guide.
Install the enclosure, followed by the gateway electronics. To make
sequential installations, follow the instructions in chapter 3 followed by
those in chapter 4.