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North America (T1) type PCM link matching device between mother country exchange and remote exchange device
North America (T1) type PCM link matching device between mother country exchange and remote exchange device
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机译:母国交换机和远程交换机之间的北美(T1)型PCM链路匹配设备
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摘要
The present invention relates to a remote access subscriber node (RASM) and a T1 link matching apparatus for connecting a mother-country exchange through a T1 1544-Kbps transmission line used in an existing network. The T1 link matching apparatus uses a T1 link matching board assembly A test is performed on a T1 link line and a circuit that provides a function of transmitting inter-processor communication data and service data using a 960 channel or a 40T1 T1 transmission path by connection between the matching board and a control processor and an external block It is a device that is connected to the parent station exchange by matching with the transmission device satisfying the format and transmission characteristics recommended in CCITT G. 703 and G. 733.
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