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b A ttery A A A 1 , 5 V x4 |
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case, RJ45/11 adapter |
connection map test: discontinuity, short circuit, incorrect connection, cable length measurement, tests data outlet for POE presence, distance to Open / Short (TDR) |
wiring RJ11, wiring RJ45 |
place of cable failure, discontinuities and short circuits in conductors, reversed connection |
battery LR03 AAA 1 , 5V x4 |