Integrated training and assessment device based on business system mining and maintenance
A business system, front-end technology, applied in data processing applications, functional testing, instruments, etc., to achieve the effect of cultivating the ability of judgment and analysis, avoiding omissions and negligence, and ensuring authenticity
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[0053] a) Carrier signal weakening (long-distance line, large impedance simulation) or carrier signal loss: This type of fault should be designed and solved by multi-way switch control.
[0054] refer to Figure 4 shown. Switch K is a multi-channel switch, which adopts single-pole multi-throw mode. Through the software control of switch K, the signal transmission mode of this channel can be set as a long-distance line (branch 1, realized by RLC circuit), large impedance Simulation (branch 2, realized by multiple series impedances), normal operation (branch 3, realized by normal carrier generation circuit), and operation mode simulation of the circuit without carrier signal (branch 4, without carrier generation circuit) training.
[0055] b) Carrier signal interference: Generally speaking, if the medium used in the data communication system is optical fiber, there will be no interference from external signals; if the cable is the signal transmission medium, it may be caused b...
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