THIS IS A GOOD STARTING POINT
GOOD LUCK WITH YOUR "RESEARCH"
VERIZON EQUIPMENT INFORMATION
The model, size, and color of your FiOS TV equipment may vary. For information on activation,features, dimensions, wiring and more, find your model below.
http://www.verizon.com/support/residential/tv/fiostv/receivers/equipment+issues/top+questions.htm
BELOW IS ADDITIONAL LINK AFTER GOING TO ABOVE LINK….THIS IS WHAT I HAVE
Motorola 7216 HD DVR
http://www.verizon.com/Support/Residential/TV/FiOSTV/Receivers/Equipment+Issues/QuestionsOne/124794.htm
