Express shipping to
Contact Us
Track Order
Search
Popular Search
Inquiry
Shopping Cart
Login

Coupon
Quote now,
save up to 8%.

Inquiry
Contact

Feedback
Your Feedback
How would you Rate us?
Ease of use:
Buying feedback:
Product details:
main product photo

TNF1DFIU03, Huawei TNF1 Series Fiber Interface Board, Dual FIU subcard/1510nm/C & Both directions

  • Brand: Huawei
  • Model: TNF1DFIU03
  • 100% Genuine
    100% Genuine
    Original, factory-verified
    3-Year Warranty
    3-Year Warranty
    Extended, enterprise-grade
    23 Years Expertise
    24 Years Expertise
    Proven, deployment-focused
    • Condition
    • Original New
    Self configuration
    expert
    Certified Expertise Builds Trust
    CCIE · JNCIE · NSE7 · ACDX · HPE Master ASE · Dell Server/AI Expert
    Talk to an Expert
    • Faster Delivery, Globally Ready

      Faster Delivery, Globally Ready

      20+ years of supply chain expertise for faster multi-stop delivery with smooth customs.

      48H Worldwide Shipping
      10+ Global Warehouses
    • Keep Projects On Time

      Keep Projects On Time

      Reliable availability and real-time shipment visibility to keep every critical IT project on schedule.

      Track Your Order
    • Leading Global Distributor Since 2002

      Leading Global Distributor
      Since 2002

      A global ICT bridge delivering authentic hardware and trusted service for over 20 years.

        21500+ Enterprise Clients Served200+ Countries & Regions Covered
    • Worry-Free Coverage with RSCare

      Worry-Free Coverage with RSCare

      3-Year warranty for enterprise hardware, including advanced RMA, diagnostics, spare parts support, and OEM service compatibility.

      Cisco SmartNet
      HPE Foundation Care
      Dell ProSupport
      Juniper Care
      Fortinet Support
    • Your Trusted Genuine Source

      Your Trusted Genuine Source

      Authorized partnerships with 30+ brands, including Cisco, HPE, Dell, Juniper, and Fortinet.

      100% Authentic Products
      100,000+ Multi-Brand SKUs Available
    TNF1DFIU03, Huawei TNF1 Series Fiber Interface Board, Dual FIU subcard/1510nm/C & Both directions

    TNF1DFIU03, Huawei TNF1 Series Fiber Interface Board, Dual FIU subcard/1510nm/C & Both directions

    100% Genuine Ready to Ship
    Overview
    Specification
    Reviews
    Q&A
    Warranty
    Download
    Overview

    Huawei TNF1DFIU03 Overview

    The Huawei TNF1DFIU03 is a carrier-grade TNF1 Series fiber interface board designed for optical transmission systems. This directional fiber interface board uses a 1510nm wavelength and a dual FIU subcard architecture to support both east and west directions over long-haul links. With an optical interface unit design, LC/PC connectors, up to 10Gbps data rate, and 80 km maximum distance, it delivers reliable performance for dense backbone and metro networks, while hot-swappable operation simplifies maintenance and network upgrades.

    Product Highlights

    10Gbps
    Data Rate
    80 km
    Max Reach
    1510nm
    Wavelength

    Product Applications Scenarios

    Service Providers
    The TNF1DFIU03 enables long-distance, 80 km optical links, helping carriers extend backbone reach and cut regeneration sites by up to 30% in dense metro and regional transport networks.
    Data Center
    Used as a directional fiber interface board, it supports up to 10Gbps inter-DC or DC-to-core connections, reducing latency and improving link utilization across optical fabrics.
    Enterprise Network
    Enterprises can leverage its 1510nm, east-west capable design to build resilient campus or MAN rings, improving backbone availability and lowering leased-line costs by up to 20%.

    Product Features Comparison

    Huawei Huawei Cisco Huawei
    Model TNF1DFIU03, Huawei TNF1 Series Fiber Interface Board, Dual FIU subcard/1510nm/C & Both directions TNU3N401T68, Huawei TNU3N Series Line Service Processing Board, 1×100G ULH/Coherent/LC GSR16/320-SFC, Cisco 12000 Switch Fabric Card, 320Gbps/Spare Module/For 12416 TNDD00EM8T02, Huawei TNDD00EM8T02 Interface Board, 8×GE/FE, Electrical Ports, Plug-in Module
    Brand Huawei Huawei Cisco Huawei
    Module Type Optical Interface Unit (OIU) Line Service Processing Board n/a Electrical Interface Board
    Port Configuration Dual FIU subcard n/a n/a 8 Channels GE/FE Electrical
    Supported Speed Up to 10Gbps Line Rate 100G n/a Line Rate 10/100/1000Mbps
    Compatible Platform Huawei optical transmission systems n/a n/a n/a
    Installation Type Hot Swappable n/a n/a Plug-in Module

    Optional Add-ons

    Model Number Description
    S-SFP-FE-LH40-SM1310 Huawei FE single-mode 40 km eSFP optical transceiver for TNF1 series and S series interfaces
    EH1D2X16SSC2 Huawei 16×10GBASE-X SFP+ interface card providing high-density optical ports for aggregation
    TNU3N401T68 Huawei 100G ULH coherent line service processing board for long-haul optical backbone uplinks

    Quality Certifications

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Specification

    Huawei TNF1DFIU03 Specification

    Model
    TNF1DFIU03
    Brand
    Huawei
    TNF1DFIU03 Specifications Brand
    Huawei
    Function
    Directional Fiber Interface Board
    Interface Type
    Dual FIU subcard
    Directional Support
    Both East & West
    Wavelength
    1510nm
    Compatibility
    Compatible with Huawei optical transmission systems
    Board Type
    Optical Interface Unit (OIU)
    Max. Distance
    80 km
    Data Rate
    Up to 10Gbps
    Connectors
    LC/PC connectors
    Operating Temperature
    5掳C to 50掳C
    Storage Temperature
    40掳C to 85掳C
    Humidity
    5% to 95% (non-condensing)
    Power Consumption
    20W
    Dimensions (HxWxD)
    25mm x 190mm x 120mm
    Management Protocols
    SNMP, CLI, Web Interface
    Compliance
    RoHS, CE, FCC
    MTBF
    >150,000 hours
    Hot Swappable
    Yes

    Get more information

    Discover unbeatable prices and fast shipping for the TNF1DFIU03, Huawei TNF1 Series Fiber Interface Board, Dual FIU subcard/1510nm/C & Both directions . Access the detailed TNF1DFIU03, Huawei TNF1 Series Fiber Interface Board, Dual FIU subcard/1510nm/C & Both directions datasheet and ensure you're getting the best deal with our reliable delivery service. Need assistance? Our free live chat support is here to help. For more information about the product and pricing, contact us via live chat or email us at [email protected].

    Quality Certifications

    Need Help? Technical Experts Available Now.

    • +1-626-655-0998 (USA)
      UTC 15:00-00:00
    • +852-2592-5389 (HK)
      UTC 00:00-09:00
    • +852-2592-5411 (HK)
      UTC 06:00-15:00
    Get a Quote
    Live Chat
    Need Help? Technical Experts Available Now.
    Q&A

    Questions & Answers

    What accessories are available for the TNF1DFIU03?

    Accessories include compatible optical connectors and fiber cables; refer to Huawei's accessory list for details.

    How does the TNF1DFIU03 compare to similar products?

    The TNF1DFIU03 provides unique directional capabilities compared to other boards, making it suitable for specific routing needs.

    What type of maintenance does the TNF1DFIU03 require?

    Regular maintenance includes checking fiber connections and ensuring firmware is up to date as per Huawei's recommendations.

    Why should I buy from router-switch.com?

    As an authorized distributor for 20+ top brands, router-switch.com offers:
    - Genuine products with full warranties.
    - Competitive pricing and bulk order discounts.
    - Professional pre-sales and after-sales support.

    Learn More
    Warranty

    • Your Trusted Global ICT Partner

      Delivering reliable, cross-border fulfillment with 20+ years of expertise, backed by rigorous QC, fast logistics, and worldwide warehousing.
      Global warehousing
      Global warehousing
      10+ hubs positioned for fast international dispatch and stable availability.
      Seamless cross-border
      Seamless cross-border
      QC-verified packing and predictable delivery via FedEx, DHL, UPS.
      Your Trusted Global ICT Partner
    • ICT Tools Hub for Confident Monitoring

      ICT Tools Hub for Confident Monitoring

      Stay informed on product lifecycle status and real-time inventory availability—supporting confident planning, sourcing, and operational execution.
      EOL/EOSL Checker
      EOL/EOSL Checker
      Verify product lifecycle status to plan purchases and avoid EOL/EOSL risks.
      Request VIP Inventory Portal Access
      Request VIP Inventory Portal Access
      Connect via live chat for VIP access to real-time inventory on priority SKUs.

    • Certified Experts Across Leading Vendors

      Professional guidance for network, security & data center builds, delivered by certified experts with extensive, hands-on deployment experience.
      Multi-vendor engineering
      Multi-vendor engineering
      Certified expertise across Cisco, HPE, Aruba, Dell, Juniper, Huawei and Fortinet.
      Deployment-ready guidance
      Deployment-ready guidance
      Faster, safer rollouts with project-focused engineering guidance.
      Certified Experts Across Leading Vendors

    The Choice of 21,500 +Global Customers

    • Ford
    • Disney
    • Nestle
    • Toyota
    • Walmart
    • Philips
    • Ups
    • Huatt
    • Hsbc
    • Novartis
    • Siemens Healthineers
    • Bt
    • Reference Johnson
    • T
    • Att
    • Lgu
    • Sk Telecom
    • Veerizon
    Industry-Leading Warranty Coverage You Can Trust
    • 100% Low Price Guarantee
      100% Low Price Guarantee
      Router-switch.com offers genuine, high-quality ICT products at competitive wholesale prices—ensuring exceptional value without compromising quality.
    • 100% Quality Assurance
      100% Quality Assurance
      All items are brand new, original, and factory-sealed.
      Upon request, each unit can be fully tested and verified by a Huawei-certified engineer to ensure perfect working condition before shipment.
    • 100% Money-Back Guarantee
      100% Money-Back Guarantee
      If you are not satisfied with your purchase, you may request an exchange or full refund. Our customer service team will guide you through the return process quickly and smoothly.
      Visit Return Policy page for more information.
    • Free Huawei Technical Support
      Our Huawei-certified experts provide free professional support via phone, email, online chat, or remote login—helping you deploy and troubleshoot with confidence.
    • Flexible & Secure Payment and Shipping
      Flexible & Secure Payment and Shipping
      We support multiple secure payment and logistics options, backed by industry-leading verification:
      • Pay by wire transfer.
      • Pay with your paypal.
      • Pay with your Visa credit card.
      • Pay with your Mastercard credit card.
      • Pay with your Discover Card.
      • Pay by American Express.
      More
      Trusted & Secure Payments ×
      100% Trusted, Secure Purchase at Router-switch.com
      • 120+ Local Currencies120+ Local Currencies
      • Multiple Payment OptionsMultiple Payment Options
      • 100% Secure Payments100% Secure Payments

      Choose the payment method that works for you—local options, multiple currencies, or bank transfers. Every payment is protected by SSL encryption, PCI DSS-level security, McAfee Secure, and VeriSign Secured for complete peace of mind.

      • tt
      • paypal
      • visa
      • mastercard
      • echeck
      • webmoney
      • discover
      • american-express
      • jcb
      • bank-transfer
      • western-union
      • qiwi
      • apple Pay
      • google pay
      Guaranteed Safe Checkout
      • ssl-encryption
      • pci-dss
      • mcafee-secure
      • verisign-secured
      View Payment Options
      • mcafee-secure
      • verisign-secured
      • pci-dss
      • ssl-encryption
      Visit How to Pay page for more information
    Warranty Coverage & RMA Instructions
    • Extended, Worry-Free Warranty Coverage
      Extended, Worry-Free Warranty Coverage
      • Factory New Sealed Enterprise Hardware: 3 Years
      • Factory New Sealed Consumer Devices: 1 Year
      Visit Warranty Policy page for more information
    • How to Get Support
      How to Get Support
      If you encounter issues with products, please reach out to your dedicated sales representative. They will assist with diagnostics, remote troubleshooting, and RMA processing if necessary.
      Visit Contact Us page for more support options.

    Best-Fit Solutions for Your Network

    Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

    Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

    Expert-configured AI solution: Same power, 90% savings—multi-scenario flexibility with Dell/Huawei/Lenovo options.

    AI
    Beyond Bandwidth: The 100G+ Data Center Architecture

    Beyond Bandwidth: The 100G+ Data Center Architecture

    The must-have 100G foundation - AI-ready growth, zero-latency performance

    Data Center
    400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

    400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

    High-Profit data center switches from Cisco, Huawei, Mellanox & Juniper.

    Ethernet Switch
    Download
    Model Datasheet
    Log in
    Register