VIAVI Solutions, Inc. T-Berd/MTS 5800 E3/E4/STM-1E Electrical Upgrade
The C5E3E4STM1E-U1 is an official electrical upgrade option for the VIAVI T-BERD/MTS-5800 handheld network tester. This upgrade enables the instrument to support E3, E4, and STM-1E electrical interfaces, expanding its testing capabilities for legacy and modern transport networks. With this option installed, users can perform comprehensive installation, maintenance, and troubleshooting tasks on E3 (34 Mbps), E4 (140 Mbps), and STM-1E (155 Mbps electrical) circuits. The upgrade is designed to integrate seamlessly with the T-BERD/MTS-5800 platform, ensuring reliable performance and compatibility with VIAVIs suite of test applications.