... the correct pin configuration of 10base-T, 10Base-2 Ethernet cable, RJ45/RJ11 modular cables, 258A, TIA-568A/568B and token ring ... cable etc.2)Easy to read cable status and verify cable continuity open, short ... test the grounding5)Feature auto or manual scan Lan Tester, Cable Tester, Multi-network Modular cable tester, UTP, STP, Coaxial tester