... your most common 10BaseT cabling problems. Compatible with 10BaseT, AT&T 258A & EIA/TIA 568 wiring, it automatically scans each wire ... , Cable Tester for EIA/TIA 568A/568B RJ45 Cable, ENC(10Base-T)cable, 100Base-TX,1000Base-TX cables, Token Ring, AT ... &T 258A, Coaxial cable2, Test correspondingly double-twisted cables 1, 2, ...