Test RJ11、RJ12、RJ45 and CAT5 network cables
Test correspondingly double-twisted cables 1, 2, 3, 4, 5, 6, 7, 8 and Ground
Can judge wrong connection, short circuit adm open circuit
Put cables into both main tester and remote tester. The lights of the main tester will turn on sequent from 1 to G.
Detachable remote tester, test remote cable up to 1000ft. in length.
Power supply: DC 9V battery