The Acterna EDT-135 is a handheld E1 and data circuit tester designed for installation, commissioning, and maintenance of digital networks. Built on a scalable hardware platform, this instrument supports framed and unframed E1 testing as well as extended interfaces for datacom and primary multiplexer applications. With its intuitive user interface, autoconfigure feature, and comprehensive physical-layer testing, the EDT-135 enables fast fault isolation and accurate quality-of-service verification in the field.
