DITEKs Total Surge Solution (TTS) si a range of products that provide total surge protection for addressable and conventional alarm systems.The TSS3 is a perfect fit for building to building notifier and communications runs. It comes with a prewired four-pair mounting base for loops protector modules. Selection 5V - 75V DTK-2MHLP modules, or 2MHTP telco modules, provides a custom solution for your system. The TSS3 protects four pairs of SLC, IDC, or NAC circuits. All protection modules are field-replaceable. Also known as -Ditek SLC LOOP PROTECTOR 2 MODULES - DK-TSS3