... short,straight-through or cross pinning lan network cable tester, network cable tester.1) Available for R45(UTP/STP) and RJ11/12 modular cable2) Quickly and ... easily checks for cable continuity,miswiring,open,short,straight ... through or cross pinning,whatever the cable was installed or not3) Multi-modular cable tester tests for USOC 8p8c,6p6c,4p4c ...