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CRRC Standardized ETBN/ECN Onboard Switch
CRRC Standardized ETBN/ECN Onboard Switch
CRRC Standardized ETBN/ECN Onboard Switch
CRRC Standardized ETBN/ECN Onboard Switch
CRRC Standardized ETBN/ECN Onboard Switch
CRRC Standardized ETBN/ECN Onboard Switch
CRRC Standardized ETBN/ECN Onboard Switch
CRRC Standardized ETBN/ECN Onboard Switch
CRRC Standardized ETBN/ECN Onboard Switch
CRRC Standardized ETBN/ECN Onboard Switch

CRRC Standardized ETBN/ECN Onboard Switch

Supports fault Bypass with switchover under 160 ms

Supports QoS for real-time traffic classification and priority

Supports LLDP for automatic topology discovery and visual management

Supports file management, log management, port statistics, 802.1Q VLAN

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Product Overview

CRRC Standardized ETBN/ECN Onboard Switch

CRRC standardized ETBN/ECN onboard switch serves as passenger/driver cabin switches for standardized metro PIS projects. Standard 19-inch 3U chassis with all front-panel interfaces for cabinet install/service. Dual identical switch modules operate independently—removing one does not affect the other. Each switch offers 24×FE D-code + 4×GE X-code or 16×FE D-code + 4×GE X-code; GE ports support BYPASS against power-fail outages. Dual-version interval upgrades remain usable during power loss.

CRRC standardized ETBN/ECN onboard switch complies with IEC 61375-2-5 and IEC 61375-2-3, providing TTDP, TTDB, ECSP and TRDP for automatic IP assignment, route/topology learning, train topology confirm/modify and database query.

Certifications

Contact

FAQ

  • The cable is connected, but the port will not come UP / the link is down. What should I check?

    +

    1) Confirm an industrial-grade cable and proper RJ45 crimping. 2) Check speed/duplex settings; set both ends to auto-negotiation. 3) Check whether the port is administratively shut down, in the wrong VLAN, or restricted by port security.

  • What are the PoE power specifications?

    +

    Standard PoE and PoE+ are supported, with max per-port power of 15.4 W and 30 W respectively. Total system power budget must be calculated during selection to avoid insufficient supply when too many PDs are connected.

  • Which ring protocols are supported, and what is the self-healing time?

    +

    Mainstream industrial ring protocols such as ERPS (G.8032), RSTP/STP, MRP, and PRP are supported. ERPS typical self-healing is ≤50 ms; traditional RSTP is second-level. It is recommended to use one ring protocol consistently across the network.

  • How should I choose between Layer-2 and Layer-3 industrial switches?

    +

    Layer-2 switches: basic features such as VLAN, ring networks, and port mirroring; suited to access layers and same-subnet networking with strong cost performance. Layer-3 switches: add static routing, OSPF, DHCP relay, multicast, and other routing features—choose these when cross-subnet communication or core/aggregation networks are required.

  • Can non-OEM SFP optical modules work normally?

    +

    The device is compatible with generic IEEE 802.3 SFP modules. Non-OEM modules can usually be recognized, but some brands may have compatibility issues. OEM modules are recommended.

  • How do I restore factory settings if I forget the device login password?

    +

    1) Hardware reset: press and hold the RESET button for 5–10 seconds; the device reboots to factory defaults. 2) Software reset: use the vendor NMS to restore factory settings remotely. All custom configurations will be cleared after restore.

  • What are the power supply requirements for industrial switches?

    +

    DC models support 18–60 VDC or 9.6–60 VDC; AC models support 100–240 VAC, with dual redundant power inputs. Phoenix terminal wiring; reverse-polarity protection is built in so normal reverse connection will not damage the device.

  • What are the operating temperature range and protection rating of industrial switches?

    +

    All-metal aluminum alloy housing. Operating temperature is -40°C to +75°C; premium wide-temperature models reach -40°C to +85°C. Typical enclosure rating is IP40.

Features

Compliant with IEC 61375-2-5 and IEC 61375-2-3

Switch boot time under 1 min

Supports fault Bypass with switchover under 160 ms

Supports QoS for real-time traffic classification and priority

Supports LLDP for automatic topology discovery and visual management

Supports interface TX/RX summary stats and port rate stats

Supports loop detection with dynamic master election to prevent loops and broadcast storms

Supports file management, log management, port statistics, 802.1Q VLAN

Supports port mirroring and port filtering with MAC-based frame filtering

Supports link aggregation, bandwidth management, flow control, port isolation, static multicast, IGMP Snooping, etc.

Supports link aggregation

Supports fault-log power-loss storage and export

Supports RTC; clock retained after power loss

PCB with conformal coating (3-proof)

Operating temperature -40 to +85°C

MTBF over 4500,000 hours

Industrial-grade Switch

CRRC Standardized ETBN/ECN Onboard Switch

Specifications

IEEE 802.3 CSMA/CD method and physical Layer

specifications — CSMA/CD and PHY description

IEEE 802.1p Priority Queuing

IEEE 802.1q VLAN tagging

IEEE 802.1d Spanning Tree Algorithm

IEEE 802.1w Rapid Spanning Tree

IEEE 802.1s Multiple Spanning Tree

IEEE 802.3ab

IEEE 802.3ac VLAN Tagging

IEEE 802.1x Authentication

IEEE 802.3ad Link Aggregation

IEEE 802.3x Flow Control

IEEE 802.3 Ethernet

IEEE 802.3u Fast Ethernet

IEEE 802.3z Gigabit Ethernet

IEEE 802 Networks

RFC 768 UDP

RFC 791 IP

RFC 792 ICMP

RFC 793 TCP

RFC 826 ARP

RFC 904 Exterior Gateway Protocol Formal Specifica- tion

RFC 1027 Using ARP to Implement Transparent Sub- net Gateways

RFC 1058 RIP

RFC 1059, 1119 NTPv1/2

RFC 1112 IGMP IP

RFC 1191 Path MTU Discovery

RFC 1256 ICMP Router discovery protocol ICMP

RFC 1267 A Border Gateway Protocol 3 (BGP-3)

RFC 1388 RIP Version 2 Carrying Additional Infor- mation

RFC 1587 OSPF NSSA

RFC 1765 OSPF Database Overflow OSPF

RFC 1812 Requirements for IP Version 4 Routers IPv4

RFC 1994 PPP Challenge Handshake Authentica- tion Protocol (CHAP)

RFC 2068 HTTP

RFC 213 DHCP Server DHCP

RFC 2139 RADIUS Accounting

RFC 2236 IGMPv2

RFC 2328 OSPF V2

RFC 2338 VRRP

RFC 2362 PIM-SM/DM

RFC 2370 The OSPF Opaque LSA Option OSPF

RFC 2474 DiffServ Precedence

RFC 2475 DiffServ Core and Edge Router Func- tions

RFC 2597 DiffServ Assured Forwarding

RFC 2598 DiffServ Expedited Forwarding

RFC 2644 Directed Broadcasts

RFC 2865 Remote Authentication Dial in User Ser- vice (RADIUS)

RFC 3046 DHCP Relay Agent Information Option DHCP

RFC 3222 Forwarding Information Base (FIB)

GMRP GARP

GVRP GARP

SSH2 Secure Shell 2

IGMP snooping IGMP

SNMPv1/v2c/v3

TTDP Train Topology Discovery Protocol

TTDB Train Topology Database Train Topology Database

ECSP ETB Control Service Provider ETB control service provider

TRDP Train Real-time data protocol

Industrial-grade Switch

CRRC Standardized ETBN/ECN Onboard Switch

  • Switching Performance -

    Backplane Bandwidth68Gbps
    Transmission methodstore-and-forward
    MAC Address Table16K
    cache≥4Mbit
    Switching Rate148,800 pps/FE port; 1,488,000 pps/GE port

  • Software Features-

    Management MethodsBrowser, serial, STD-17 MIB-II, STD-58 SMIv2, STD-59 RMON, STD-62
    SNMPv3， SNMPv2c， SNMPv1， RFC2668 MAU， RFC2925 Ping MIB， MRD Private MIBs ，TELNET
    DiagnosticsIndicators, logs, relay, RMON, port mirroring, TRAP
    RedundancySTP, RSTP, MSTP, link aggregation
    time synchronizationSNTP
    other4K VLANs, IPv4/IPv6 multicast, storm control, Jumbo Frame

  • Power Parameters+

    Input voltage110 VDC (77–137.5 VDC), reverse-polarity protection

  • Physical Performance+

    Product dimensions441.8mm×132.5mm×230mm
    protection ratingIP20
    MTBFover 4500,000 hours
    Temperature Characteristics
    Storage Temperature-40℃ ~ 85℃
    operating temperature-40℃ ~ 85℃
    Relative Humidity5% ~ 95%, non-condensing

  • Mechanical Characteristics+

    Shock & VibrationIEC 61373
    free fallIEC 60068-2-31
    circuit boardCompliant with IPC standards
    Industrial-grade Switch
    CRRC Standardized ETBN/ECN Onboard Switch

  • Electromagnetic Characteristics+

    EMCIEC(EN)61000-4-2, Level 3
    IEC(EN)61000-4-4, Level 3
    IEC(EN)61000-4-5, Level 3
    IEC(EN)61000-4-6, Level 3
    IEC(EN)61000-4-8, Level 5
    IEC61000-4-29, Class B

  • Industry Certification & Testing+

    rail industryEN 50121； EN50155
    High temperature testIEC 60068-2-2
    Low temperature testIEC 60068-2-1
    Alternating heat and humidity testIEC 60068-2-30
    Insulation testEN 50155-13.4.9
    Withstand voltage testEN 50155-13.4.9
    Power Performance TestEN 50155
    Salt spray testEN 50155
    Fire protection and safetyEN45545； EN50153
    Industrial-grade Switch
    CRRC Standardized ETBN/ECN Onboard Switch

Dimensions

Accessories

modelProduct Specification
TCC4100-CRECNL3CRRC standardized 3U rackmount ETBN/ECN Layer-3 ECNN-A switch: 24×FE D-code + 4×GE X-code with BYPASS, redundant hot-swap dual power, meeting CRRC ETBN networking requirements.
TCC4100-CRECNL2CRRC standardized 3U rackmount ETBN/ECN Layer-2 ECNN-B switch with dual switch modules (each: 16×FE D-code + 4×GE X-code with BYPASS), redundant hot-swap dual power, meeting CRRC ETBN networking requirements.

Hotline: 86-21-58330762

Zip: 201203

Email: sales@mrdcom.net

Address: No.123 Curie Road, China (Shanghai) Pilot Free Trade Zone

Copyright 2026 MRD Co LTD . All Rights Reserved Shanghai ICP No.12035199

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