POWER THE FUTURE WITH DC.(Brief Article)

As operators move from video-only to serving up data and telephony, they should consider DC powering for multiple services. Though DC power does pose some considerations in terms of cost, real estate, and training, there is one major benefit which overrides all concerns-RELIABILITY. In a world of super-reliable integrated circuits, power problems remain a leading cause of service interruption at the headend or hub. The problem can be as small as a bumped AC plug or blown fuse, or as large as a neighborhood outage. It can be as intentional as a rack powered down for repair or as hi