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작성일 : 09-05-21 16:53 구축사례>영상전송>Northland Cable 영상전송시스템 구축  글쓴이 : 최고관리자 (121.♡.178.55) 조회 : 8,419   ACT-L3™ Point to Multipoint Over Two T1 Lines “We are very happy with the performance of Streambox ACT-L Video Transport, and are recommending this solution to the rest of our corporate family.” -Vince Reinig, Regional Manager, Northland Cable Television Solution Summary Customer: Northland Cable Location: Mt. Shasta, CA USA Description: Northland Cable Television operates over 80 cable systems in nine states in the Southeast, Southwest and West Coast. At Mt. Shasta, Northland needed a Point to-Multipoint T1 Video Transport Solution to send Full Broadcast Quality NTSC Video in Real-time, including Closed Captioning, from the regional source to two cable head ends. Challenge Northland Cable had recently lost the microwave link that supported their cable head ends. A fiber link did not exist, and the mountainous topography and extended distances meant that no combination of high-bandwidth options would fit within their economic constraints. They had tried deploying an MPEG-1 solution over a single T1, but the picture quality was unacceptable. They needed an economical way to send a broadcast quality interlaced video from their studio to their cable heads, and a single T1 line to each cable head end was the only cost effective option. Soultion Hardware: One SBT3-7000 Encoder, Two SBT3-5000 Decoders Options: Balanced Audio