... Tester/RJ45 tester/cable tester/network cable Can test correspondingly double-twisted cables 1,2,3,4,5,6,7,8 and G, Network Tester/RJ45 tester/cable tester ... circuit. 2. NS-4688tests BNC, RJH and RJ45;NS-468 tests RJ 11and RJ45;NS-468N tests RJ45 andBNC,ST ... , neither of the corresponding lights is on ofthe remote tester while main tester remains unchanged. If three cables, includingthree, are short ...