中广协会信息资料委员会 Ring network. Network products are connected to two other devices on either facet via a coaxial cable or an RJ-45 cable. The digicam captures the movie feed and converts it into a electronic format, which is then transmitted into the DVR by means of the coaxial cable. The DVR https://wordpress50378.blogscribble.com/33956438/the-2-minute-rule-for-services