EN50155 Switch | EN50155 Managed PoE Switch ITP-G802SM-8PH24 | DCT

Features

M12 and M23 connector against vibration and shock
24/48VDC redundant dual input power, and built-in power booster design upto 50VDC for PoE output
Regulated PoE output voltage (50VDC) 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 IEEE 1588 PTP V2 for precise time synchronization to operate in Ordinary-Boundary, Peer to Peer Transparent Clock, End to End Transparent Clock, Master, Slave mode by each port
Supports EMS Management

The EN50155 certified managed PoE switch ITP-G802SM-8PH24, full Gigabit, that provides 8 Gigabit M12 A-code Ethernet ports and 2 100/1000 SFP slots. Supports a variety of PoE operation functions, including automatic detection of PoE device power, automatic reset, PoE scheduling, etc. Designed for heavy industrial, vehicle and rolling stock applications, utilizing M12 connectors to ensure secure connections and reliable operation, withstand environmental disturbances such as vibration and shock. with IP67 rating to protect against dust and water submersion, 24VDC power input design compatible with vehicle battery power supply, realizes PoE function through voltage boosting. EN50155 certification covers operating temperature, mains input voltage, surge, ESD, vibration and shock, making the switch suitable for vehicle, rolling stock applications.

Certifications & Compliance

EN50155, EN50121-4, EN45545-2, EN61000-6-2, EN61000-6-4
CE and FCC Certified
IP67-rated: Protection against dust and water

Power & PoE Capabilities

24/48VDC Redundant Dual Power Input
Built-in power booster up to 50VDC for PoE output
Maximum PoE output power budget: 180W (30W per port)
Regulated PoE output voltage (50VDC) ensures stable PoE operation and supports power delivery up to 100m
Auto-check and auto-reset feature for PoE PD failure

Networking & Connectivity

8× Gigabit M12 A-code Ethernet ports (10/100/1000Base-T)
2× 100/1000Base-X SFP slots
Auto-negotiation, Auto MDI/MDI-X, Full/Half Duplex Support
Store and Forward switching with 20Gbps Backplane Switching Fabric
IEEE 802.1Q VLAN support (up to 4094 VLAN IDs)

Advanced Redundancy & Ring Protection

Supports up to 5 instances of:
- μ-Ring, μ-Chain, Sub-Ring topologies for network redundancy
- Recovery time <10ms
IEEE 1588 PTP V2 for precise time synchronization
Loop Protection, ITU-T G.8032 ERPS, and G.8031 EPS for enhanced reliability
Supports TTDP (Train Topology Discovery Protocol)

Security & Management