It performs bit-error tests, detects framing type, line coding and bit pattern, and displays signal level, frequency, clock slips, errors and alarms. The 635 transmits the most commonly used loop codes, including HDSL. Whether you are looking for the smallest handheld 100G bit error rate tester in the world for your field job, or perhaps your needs take you into the lab, VIAVI has you covered with our accurate and easy-to-use BERT equipment for any use case. The T-BERD/MTS-5800-100G handheld network tester is the. The OptoBERT family of BERTs offers the best value in the industry for bit-error-ratio testing of optical and electrical components, subsystems and systems. Single-hand BERT, PCM measuring instrument for datacommunications and E1. Compact, notebook sized E1/T1 Datacom BERT tester. They can be used in pairs, with one at either end of a link, or singularly at one end with a loopback at the remote end. Versatile 10G multiservice test modules for lab and field. Introducing the FTB line of portable test platforms designed for frontline technicians and network experts alike. 6TBASE/CEI-224G standards and also supports PCIe rate testing ranges through extended rate.