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Definition of "Digital Signal Level 3" |
DS-3 is a digital signal level 3 T-carrier. DS3 interconnect cables must be made with true 75 ohm coaxial cable and connectors. Cables or connectors which are 50 ohm or which significantly deviate from 75 ohms will result in signal reflections which will lower the performance of the connection, possibly to the point of not working. GR-139-CORE,Generic Requirements for Central Office Coaxial Cable, defines type 734 and 735 cables for this application. / A cable composed of two separately insulated stranded conductors laid parallel under a common covering. |
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