EN50155 Cyber-Hardened Managed PoE Switch - ITP-AG804TM Series
Key Specifications
Description：
The EN50155 certified and cyber-hardened managed PoE switches, ITP-AG804TM-8PHE24i and ITP-AG804TM-8PHE-WVi, deliver reliable, high-speed connectivity for rolling stock environments. They feature 12 Gigabit M12 X-code Ethernet ports that ensure secure and stable connections even under vibration and shock conditions. Compliant with the IEC 62443-4-2 cybersecurity standard, the ITP-AG804TM series ensures the security and stability of onboard and train-to-ground communications. This compliance strengthens protection against cyber threats and enhances the overall resilience of intelligent railway systems. In addition, the switches support ring redundancy to ensure reliable network
failover and prevent system downtime caused by single-point failures.
The series also supports advanced PoE management functions, including auto power detection, intelligent power reset, and scheduling, improving energy efficiency and device uptime. With isolated 24/48 VDC or 24/48/72/96/110 VDC power inputs, the design supports voltage boosting to ensure stable PoE operation across diverse vehicle power systems. Certified to EN 50155 standards for temperature, voltage fluctuation, surge, ESD, vibration, and shock, the ITP-AG804TM series delivers long-term reliability in mission-critical rail and vehicle applications.
Features：
▪M12 connector against vibration and shock
▪24/48/72/96/110VDC redundant dual input power, and built-in power booster design up to 53VDC for PoE output (96W at 70°C)
▪Regulated PoE output voltage (53VDC) to stabilize PoE device, and guarantee delivery PoE power distance to 100meters
▪Cable diagnostics, identifies opens/shorts distance
▪Provides up to 5 instances that each supports µ-Ring, µ-Chain or Sub-Ring type for flexible uses.
(Please see CTC Union's µ-Ring white paper for more details)
▪Supports TTDP for train application
▪Supports EMS Management
