Vendor Sheet
T-BERD/MTS 5800 Portable Network Tester. Ethernet Layer 2 Traffic Loopback
The T‑BERD/MTS‑5800 can operate as a Layer 2 loopback device to support Ethernet testing at speeds from 10 Mb/s to 100 Gb/s. When equipped with the required software and loopback test options, it responds to incoming Layer 2 traffic for verification of network paths and service turn‑up. The setup requires compatible optical transceivers and cables for the line under test. The quick card outlines how to configure the unit for loopback operation, enabling service providers and technicians to validate Ethernet connectivity, troubleshoot issues, and confirm end‑to‑end performance across multiple interface rates.
