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TTC TPI 570 ISDN Portable Test Set
The first portable test set to support Primary Rate Interface ISDN, TTC's TPI 570 has now become the industry standard in Primary (PRI) and Basic Rate (BRI) ISDN testing. Most major ISDN service providers, including all Regional Bell Operating Companies (RBOCs) and large independent telephone companies (ILECs), rely on the TPI 570’s versatility and power. A full-featured, multi-functional test set, the TPI 570 supports all U.S. call controls, including national ISDN, and allows considerable flexibility in turning-up and troubleshooting present and future PRI and BRI ISDN services.
An easy-to-follow, menu-driven display allows field technicians to handle each job the first time out without formal training. Rugged, compact and weather-resistant, the TPI 570 is built to test under all types of field conditions. A rechargeable battery pack provides 12 hours of continuous use, and connector interfaces are protected from the elements under a weather-sealed cover. The backlit LCD is ideal for testing in dark environments, and a built-in speaker and
microphone enable hands-free operation.
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