TSP-10 - Telephone line Surge Protector, in-line RJ11 Jacks, LED Indicator
TSP-10 is an in-line RJ11 telephone line surge protector. It installs simply between the wall plug and equipment behind, having 2 opposite gender RJ11 connectors. It protects any telephone line devices like fax machines, answering machines, modems, dial-up alarm systems, etc.