Its been confirmed that its the Cisco 9865 DVR which is a gateway server box. I would expect it to be connected via coax and Ethernet or offer connectivity via MoCA 2.0
"● Whole Home DVR enables sharing and managing of video services throughout the home to other
connected DVRs, set-tops, and consumer electronic devices using DLNA standards based connection and
security technologies (optional software)"
Unfortunately, Cloud recording isn't in the cards here.