Try this sequence:
How to Pair and Install Xfinity Home Indoor/Outdoor Camera
First log into the settings of you touchscreen with your password, and select the option to add a camera.
1. You can only install one camera at a time.
2. For the second to sixth camera, click "add camera".
3. Insert one end of the supplied ethernet into camera.
4. Plug the other end of the ethernet cable into the supplied 'white splitter' cable.
5. Plug the white splitter ethernet cable into the supplied 'security' router.
6. Plug the supplied power cable into the white splitter cable, then into an power outlet.
7. Let camera power up, approximately 2 minutes, until the two lights on the left front of the camera light up solid green.
8. Click 'next' on the touchscreen screen.
9. Unplug the ethernet cable from the white splitter, and unplug the other end of the white splitter from the security router.
10. Unplug the power connector from the white splitter.
11. Plug one end of the ethernet cable into the camera, and the other end into the black splitter, then plug the power connector into the black splitter.
12. Plug the power cable into an outlet, and wait for the two green lights on the camera to turn solid green.
13. Type the desired label name for the camera.
14. Click 'next' on the touchscreen, and you are done.
15. Unplug the power connector from the electric outlet, and relocate it to the desired camera location.