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电缆系统的上行通道正迅速的成为这个网络的关键部分,尤其是当电缆经营者准备开展大量崭新的交互式业务时。因此让电缆系统的从业人员去学习如何发现并维修上行通道中的问题是相当必要的,以便保证其能安全可靠的运转。
The cable system upstream channels are quickly becoming a key part of this network, especially as cable operators prepare for a vast new brand of interactive services. It is therefore imperative for practitioners of cable systems to learn how to find and repair problems in the upstream path in order to ensure safe and reliable operation.