【正文】 inly troubleshooting which is located to chip level, independent operation requirement of board and parts as well as the layered loop back, board hardware initialization and self test, board auto loop and loop back. In addition, the patibility of test equipment and test tools should be taken into consideration.本部分其可測(cè)性需求主要來(lái)源于測(cè)試策略、經(jīng)驗(yàn)總結(jié)以及內(nèi)部訪談和調(diào)研分析。Requirements here usually e from test strategy , experience, interview.可測(cè)試性需求總結(jié)對(duì)以上各方面的可測(cè)性設(shè)計(jì)需求進(jìn)行統(tǒng)計(jì)和總結(jié)，完成以下可測(cè)性需求列表(參見：《E2E_Template_End to End Offering Requirements Template端到端產(chǎn)品包需求模板》),該過(guò)程中主要完成重復(fù)需求的合并，并結(jié)合業(yè)界先進(jìn)和歷史經(jīng)驗(yàn)對(duì)需求列表進(jìn)行分析，對(duì)優(yōu)先級(jí)別高的需求重點(diǎn)說(shuō)明，給出需求的排序Testability requirements summaryCount up and summarize testability requirements with a table and analyze with reference to the leading panies in the industry and lessons learned. Those with high priority should be especially emphasized.（Using E2E_Template_End to End Offering Requirements Template, Lotus 123 Table）.序號(hào)合并后的可測(cè)性需求該需求的相關(guān)好處該項(xiàng)需求所帶來(lái)的好處，如不滿足將帶來(lái)的危害和不利的后果?；拘枨缶褪窃诋a(chǎn)品必須滿足的可測(cè)性需求，不能作取舍。在QFD分析中就是MUST項(xiàng)。(Y/N)最好滿足的需求就是可以進(jìn)行折中和排序取舍的可測(cè)性需求。在QFD分析中就是WANTS項(xiàng)(Y/N)獨(dú)特之處該項(xiàng)需求可以成為市場(chǎng)賣點(diǎn)的獨(dú)特點(diǎn)，在QFD分析中就是賣點(diǎn)(Y/N)重要性(15 )測(cè)試需求的重要性，該項(xiàng)需求重要性的分值15，其中5最重要優(yōu)先級(jí)(15 )根據(jù)產(chǎn)品的具體情況確定每項(xiàng)需求實(shí)現(xiàn)的優(yōu)先級(jí)，該項(xiàng)需求重要性的分值15，其中5最重要1PIC扣板設(shè)計(jì)專用的調(diào)試板，為這類單板提供業(yè)務(wù)流、控制或接口，以方便該類單板的調(diào)測(cè)。可以支持單板的獨(dú)立調(diào)試和測(cè)試，提高調(diào)試和測(cè)試效率NYN452在單板上提供均勻分布的地針或接地點(diǎn)方便信號(hào)測(cè)試NYN353提供上電對(duì)關(guān)鍵芯片的自檢測(cè)試，測(cè)試結(jié)果通過(guò)指示燈顯示并同時(shí)上報(bào)控制臺(tái)。便于調(diào)測(cè)和現(xiàn)場(chǎng)維護(hù)YNN544單板提供EERPROM用于系統(tǒng)軟硬件版本、生產(chǎn)序列號(hào)的集中保存便于維護(hù)和故障定位分析YNN455提供LCD顯示板顯示系統(tǒng)運(yùn)行狀態(tài)和告警信息便于故障監(jiān)測(cè)和定位NYY456系統(tǒng)提供例行測(cè)試功能，能對(duì)設(shè)備的系統(tǒng)、部件、單板等部分的軟件和硬件定期進(jìn)行全面的檢測(cè)便于故障檢測(cè)YNN537Serial No.The requirements description from interviewTestability requirements should be embeded in product design.The affects of testability requirementsEssential requirements(Y/N)Remended requirements(Y/N)Unique feature(Y/N)Significance(15 )Priority(15 )1In order to debug and test Some boards (can not be run in depart from they system) , special test function should be supplied for testing these board, supplying data stream, control massage and access pathIn order to test physical interface card, special test board must be developed for supplying data stream , control massages and access pathsingle board run independently for debugging and testingNYN452In PCB design, via have been reserved for key signals, but testing ground not be arranged satisfactorily. According to convenience for debugging and testing, ground should be arranged Uniformly palce ground TP(test point) on the circuit boardEasy to test signals NYN353Power on self test for RAMs 、ROM is essential. Test results should be display or reported, so that board can be debug effectively and maintained expediently in fieldPower on self test for key ICs，the test result can be display by LED and control terminalEasy to debug and maintain in fieldYNN544Board’s software/hardware version and product serial number should be stored together System software/hardware version and product serial number can be stored together by EERPROMEasy to maintenance and fault diagnosticYNN455LCD display should be provided, so that main operational status and alarm information is visible for fault detect and diagnosticsSystem operational status and alarm information can be display by LCDEasy to detect and diagnose faultNYY456The system should be termly tested automatically or manually when the business not be affected. By using termly test, SW/HW on system, ponents and boards level can be test fullscale, find out defects and hidden troubles.Software and hardware status in overall system, ponents and boards can be test termly by using routine test functionEasy to detect faultYNN537.............13 / 13