Morris Products 57318 Coax Network Cable Tester Coax Multi-Network Cable Tester - Highly automatic Coaxial Networking Cable Tester. Coaxial Networking Cable Tester - Tests Coaxial Cable (BNC) Main unit and one remote allow one person to test Tests T568A, T568B, 10Base-T, AT&T258A, and Token Ring Cable Automatically checks for open circuits, shorts, miswires and reversals SHIELD detection tests a cables shield integrity