VIAVI’s GSM‑R, ERTMS, and FRMCS monitoring solutions provide continuous testing, monitoring, and troubleshooting of railway telecom, signaling, and interlocking systems. In complex ERTMS environments, reliable GSM‑R and 5G Rail coverage must be available across the entire network, requiring 24/7 monitoring capable of evaluating interactions between GSM‑R, 5G Rail, ETCS, and interlocking systems. These tools detect anomalies, identify root causes, and help prevent costly delays and passenger disruption. VIAVI enables operators to maintain safe, efficient, and resilient railway communications through proactive, always‑on assurance.

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