SDH ring network transmission optical fiber link construction and maintenance teaching device and usage method
A technology of optical fiber link and transmission optical fiber, which is applied in the field of SDH ring network transmission optical fiber link construction and maintenance teaching device, can solve the problems of lack of knowledge content display equipment, etc., and achieve the effect of strengthening practical hands-on
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[0031] Example 1, such as figure 1 As shown, the device body includes SDH ring network main optical fiber link and SDH ring network backup optical fiber link, SDH ring network master node (1) and SDH ring network slave node (2). The SDH ring network topology is a two-fiber unidirectional channel protection ring structure. The protection ring consists of active optical fiber links and backup optical fiber links. Both the main optical fiber link of the SDH ring network and the standby optical fiber link of the SDH ring network are step-type single-mode optical fibers. In order to show the SDH ring network to the students, the length of the two optical fiber links is 20Km. Transmission does not require relaying.
[0032]SDH ring network main optical fiber links include bare fiber A (4), bare fiber B (8), fault point device (6) and jumper A (3), jumper B (5), jumper C (7) and Jumper D (9). The bare fiber A (4) is connected to the fault point device (6) through the jumper fiber...
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