EN50155 Switch | EN50155 Managed 10G PoE Switch ITP-12164XTM-12PH | DCT

Features

M12 (D-code, X-code, K-code) connector against vibration and shock, M12 D-code for FE port, X-code for GbE or 10G port, K-code for power
Cable diagnostics, identifies opens/shorts distance
STP, RSTP, MSTP, ITU-T G.8031 ERP, ITU-T G.8032 Ethernet Protection Ring (ERPS) for redundant cabling
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)
μ-Ring for Redundant Cabling, recovery time<50ms in 250 maximum devices
Supports TTDP for train application
Supports EMS Management

The EN50155 certified managed PoE switch ITP-12164XTM-12PH, that provides 4 10Gigabit, 16 Gigabit M12 X-code Ethernet ports and 12 Megabit M12 D-code, features total 12 ports PoE and 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, uses M12 K-code connector 24/48/72/110VDC switching power input design compatible with variety railway and vehicle’s power source requirement. EN50155 certification covers operating temperature, mains input voltage, surge, ESD, vibration and shock, making the switch suitable for vehicle, rolling stock applications.

Overview

The ITP-12164XTM-12PH is an EN50155-certified managed 10G PoE switch, designed for railway, rolling stock, and heavy industrial applications. It features 4x 10G M12 X-code ports, 16x Gigabit M12 X-code ports, and 12x Fast Ethernet M12 D-code ports. The switch supports 12 PoE+ ports (80W total power budget) with regulated 52VDC PoE output voltage, ensuring stable power delivery over long distances.

Built with rugged M12 connectors, this switch is shock and vibration resistant, meeting EN50155, EN50121-4, and EN45545-2 railway safety standards. It supports µ-Ring, ERPS, MSTP, TTDP, and EMS management, providing high-speed, redundant, and reliable network communication in extreme environments.

Performance & Networking

High-Speed Switching Capacity – 114.4Gbps backplane with full wire-speed switching.
Advanced Layer 3 Routing – Supports IPv4/IPv6 Static Routing, OSPF, RIP, and VRRP.
Redundant Ring Protocols:
- µ-Ring, µ-Chain, and Sub-Ring (Supports up to 5 rings, 250 devices per ring).
- STP, RSTP, MSTP for loop prevention.
- ITU-T G.8031 ERP & G.8032 ERPS for fast network recovery (<50ms).

Industrial-Grade Power Input

Redundant Dual Isolated DC Input – 24/48/72/96/110VDC (16.8~137.5VDC) range.
Regulated PoE Output – 52VDC PoE stabilization for long-distance power transmission.
Reverse Polarity & Overload Protection.

Power over Ethernet (PoE) Capabilities

12 PoE+ Ports – Supports IEEE 802.3af/at PoE+.
Maximum PoE Budget: 80W (30W per port).
PoE Power Allocation Features:
- Auto Checking & Auto Reset when PoE PD Fails.
- PoE Scheduling (On/Off weekly configuration).
- Power Limit by Classification & Management.
- Total PoE Power Budget Limitation.

Security & Authentication

IEEE 802.1X Port-Based & MAC-Based Authentication.
Access Control Lists (ACLs) for L2/L3/L4 (256 rules).
RADIUS & TACACS+ Authentication and Accounting.
SSL, SSH v2 for Secure Management.
IP Source Guard & DHCP Snooping.

Management & Monitoring

CLI (Cisco-like Command Line Interface).
Web UI & SNMP v1/v2c/v3 Management.
Modbus/TCP for Industrial Automation Monitoring.
Syslog, Email Alerts, and Alarm Relay for Event Warnings.
Port Mirroring for Traffic Analysis.

QoS & Traffic Management

IEEE 802.1p QoS with 8 Priority Queues per Port.
Traffic Prioritization Based on:
- 802.1p, IP Precedence, DSCP.
- MAC Address, VLAN ID, TCP/UDP Ports.
- Packet Type, Frame Type.
Bandwidth Control:
- Ingress: 100 Kbps – 1 Gbps.
- Egress: 100 Kbps – 1 Gbps.
Storm Control for Unicast, Broadcast, and Multicast Traffic.

VLAN & Link Aggregation

IEEE 802.1Q VLAN (Up to 4094 VLANs).
IEEE 802.1ad Q-in-Q VLAN.
MAC-Based VLAN (256 entries).
IP Subnet-Based VLAN (128 entries).
Protocol-Based VLAN (Ethernet, SNAP, LLC – 128 entries).
Private VLAN for Port Isolation.
IEEE 802.3ad Link Aggregation (Supports up to 16 trunk groups).
IEEE 802.1AX Passive & Active Mode.

IP Multicasting Support

IGMP Snooping v1/v2/v3 & MLD Snooping v1/v2.
Multicast Filtering, Throttling, & Fast Leave.
Maximum Multicast Group Entries: 1022.

Hardware Specifications

Interfaces & Ports

12x M12 D-code Female Ports (10/100Base-TX, 8 with PoE).
16x M12 X-code Female Ports (10/100/1000Base-T, 4 with PoE).
4x 10G M12 X-code Female Ports (Supports 1G/2.5G/5G/10G).
1x RS-232 Console Port (5-pin M12 A-code Male).
2x Rotary Switches (IP & Gateway Settings).

LED Indicators

Power System: Power 1 (Green), Power 2 (Green), Fault (Amber), CPU (Green), Ring Master (Amber).
UTP Ports: 10/100/1G/2.5G/5G Link (Green), 10G Link (Blue).
PoE Ports: Active PoE (Green).

Environmental & Mechanical Specifications

Operating Temperature: -40°C ~ 60°C.
Storage Temperature: -40°C ~ 85°C.
Humidity: 5% – 95% (Non-condensing).
Enclosure: Rugged Metal, Fanless, IP40 Protection.
Dimensions: 128 x 418 x 207mm (D x W x H).
Weight: 8.1 kg.
Installation: Wall Mounting.
MTBF: 90,646 Hours (MIL-HDBK-217).

Railway & Industrial Certifications

EN50155 & EN50121-4 Railway Traffic Certification.
EN45545-2 Fire Protection for Railway Vehicles.
IEC61373 Shock & Vibration Protection.

EMC & Safety Certifications

CE, FCC Certified.
EN61000-6-2 (Heavy Industrial Immunity).
EN61000-6-4 (Heavy Industrial Emissions).

Environmental Protections

Electrostatic Discharge (ESD): EN61000-4-2 (Level 3).
Radiated Susceptibility (RS): EN61000-4-3 (Level 3).
Electrical Fast Transients (EFT): EN61000-4-4 (Level 3).
Surge Protection: EN61000-4-5 (Level 3).

Ordering Information

Model	Total Ports	FE M12	GbE M12	10G M12	PoE Ports	PoE Budget	Power Input	Certifications	Temperature
ITP-12164XTM-12PH	32	12	16	4	12	80W	24/48/72/96/110VDC	EN50155, EN50121-4, EN45545-2, CE, FCC	-40~60°C

EN50155 Switch | EN50155 Managed 10G PoE Switch ITP-12164XTM-12PH