A method and testing backboard for single board production test
A technology for testing backplanes and production testing, applied in the field of communication, can solve problems such as the complexity of the testing device itself, high testing costs, and increasing the cost of single-board hardware, and achieve the effects of meeting production testing requirements, reducing testing costs, and improving testing efficiency
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[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0042] The veneer production test method and system of the present invention are applicable to the production test of various service veneers of SDH (Synchronous Digital Hierarchy) equipment.
[0043] The basic idea of the present invention is: the single board under test generates PRBS (Pseudo-Random Binary Sequence, pseudo-random binary sequence) code stream, and sends PRBS code stream to the test backboard, then the test backboard loops back the pseudo-random code stream through the line interface The binary sequence code stream is sent back to the single board under test, and the single board...
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