Rosewill Cable Tester - Pro RTK-007 Verify cable continuity, open, short and miss-wire easily Can test the correct pin configuration of 10Base-T, 10Base-2 Ethernet, RJ-11/RJ-12/RJ-45 modular cables, 258A, TIA-568A/568B, and Token Ring cables Test the cable 1,000 feet away that are on wall plate or patch cable with remote kit (remote kit included)