Platinum Tools T130 VDV MapMaster 3.0 Cable Verifier Tester with Length Measurement is a single tester that performs continuity testing, mapping, tone generating, and length measurements. The Platinum Tools T130 MapMaster maps up to 20 locations at once. The Platinum Tools T130 features the ability to test and indicate pins with shorts, opens, reversals, miswires, and split pairs. The MapMaster 3.0 network cable tester features one ended testing and link light flashing on switch ports over its previous predecessor the Mapmaster 2.0.