http://www.procabosbrasil.com.br/powervud9850appnote9.pdf
http://perecom.com/d9850.pdf
https://www.cisco.com/c/dam/en/us/td/docs/video/headend/Digital_Receivers/4006105C.pdf
https://software.cisco.com/download/home/281568073/type/282766520/release/D98XX%2002.61.00
https://community.cisco.com/t5/other-service-provider-subjects/scientific-atlanta-powervu-d9850-keeps-rebooting-endlessly/td-p/2792300