Detailed Product Description CHARACTERISTICS:the series cable testers are suitable for testing the connection and seriation of 10-base-T(VTP/8TP)-AT 8C T258A.TIA568A/B. Token Rine and Vsoc4/6/8. ITEM NO. Description Note JF-C625 Cable Tester Fit for RJ11,RJ12,RJ45 JF-C628 Cable Tester with BNC Fit for RJ11,RJ12,RJ45 AND BNC