The Viavi (JDSU) MTS 4000, also known as the T-BERD 4000, is a compact, modular mainframe platform designed for field technicians carrying out fibre optic network installation, maintenance, and troubleshooting. The platform supports interchangeable test modules — including OTDR modules — across its dual module slots, enabling a wide range of optical test applications from a single portable device.
The MTS 4000 features a built-in power meter and visual fault locator, allowing technicians to perform essential fibre diagnostics without additional equipment. Its touchscreen interface, long battery life, and rugged construction make it well suited to demanding field environments.
Key Specifications:
Platform: MTS 4000 / T-BERD 4000 Mainframe
Module Slots: Dual
Integrated Functions: Power Meter (PM), Visual Fault Locator (VFL)
Interface: Touchscreen
Power: Rechargeable battery (field-deployable)
Form Factor: Compact handheld/portable
Manufacturer: Viavi Solutions (formerly JDSU)
Typical Applications: OTDR fibre testing, power measurement, fault location, fibre acceptance testing
Please refer to the Viavi Solutions website for full and current specifications.
