Genuine Juniper 740-058732 QSFP28 Transceiver 100GBASE-LR4 1310nm 10KM Long Reach SMF Duplex LC DDM Hot Pluggable Fully TestedProduct OverviewGenuine Juniper 740-058732 100GBASE-LR4 QSFP28 Long-Reach ModuleOriginal Juniper data center & carrier-grade 100G high-speed optical transceiver with official part number 740-058732, model QSFP-100GBASE-LR4. Compliant with IEEE 802.3ba 100GBASE-LR4 industrial standard and QSFP28 MSA specifications, fully validated and natively compatible with Juniper MX/QFX/EX/SRX/ACX series 100G switching and routing platforms. This mainstream long-reach 100G module is widely deployed for data center leaf-spine core interconnection, enterprise metropolitan backbone networking, cross-building long-distance high-speed uplinks, and 100G network upgrade & expansion projects.Adopts 4-lane WDM parallel transmission architecture with industry-standard 1310nm band wavelength division multiplexing, delivering stable full-rate 100Gbps transmission over standard G.652/G.655 single-mode fiber. Supports reliable 10KM ultra-stable long-distance transmission with excellent link power budget and ultra-low bit error rate. Optimized for low power consumption and low latency, it adapts to 24/7 high-load data center and carrier network operation. Built-in DDM/DOM full digital diagnostic monitoring enables real-time optical parameter detection and remote intelligent operation & maintenance. Standard QSFP28 hot-pluggable design supports zero-downtime module replacement and network iteration. Every unit undergoes 100% full-performance pre-testing to ensure flawless plug-and-play recognition and stable full-rate 100G operation on all certified Juniper devices.Core Key Selling Points

• Standard 100GBASE-LR4 Industrial Spec: Compliant with IEEE 802.3ba global standard, 4×25Gbps parallel aggregation for 100G full-rate bandwidth, the most universal and mature 10KM long-reach 100G solution
• Genuine Juniper Original Module: Exact official part number 740-058732 and QSFP-100GBASE-LR4 model, no coding mismatch or port recognition failure, 100% native Juniper firmware compatibility
• 1310nm Low-Loss WDM Band: Classic single-mode long-reach wavelength division multiplexing design, minimal fiber signal attenuation, ensuring stable long-span transmission
• 10KM Stable SMF Long Reach: Optimized link margin, perfectly supports 10KM long-distance transmission on standard single-mode fiber for medium-long haul networking
• Low Latency & Low Power Design: Advanced WDM parallel transmission technology, ultra-low signal delay, low power dissipation, ideal for high-performance data center scenarios
• Data Center & Carrier Grade Stability: Industrial-grade laser and circuit optimization, ultra-low BER, strong anti-interference, supports 24/7 uninterrupted high-load network operation
• Full DDM Intelligent Monitoring: Real-time tracking of optical power, temperature, operating voltage and Tx bias current for efficient remote O&M and rapid fault troubleshooting
• Hot Pluggable QSFP28 Interface: Zero downtime for installation, replacement and network upgrade, greatly reducing on-site maintenance costs
• 100% Fully Pre-Tested: Strict full-bandwidth optical performance, stability and platform compatibility testing before shipment to guarantee fault-free online deployment

Full Technical Specifications

• Brand & Model: Juniper QSFP-100GBASE-LR4
• Official Part Number: 740-058732
• Form Factor: QSFP28
• Industry Standard: IEEE 802.3ba 100GBASE-LR4
• Total Data Rate: 103.125Gbps (4×25.78125Gbps Per Lane)
• Operating Wavelength: 1310nm WDM Band
• Fiber Type: SMF Single Mode Fiber (G.652 / G.655 9/125μm)
• Max Transmission Distance: 10KM
• Connector Type: Duplex LC/UPC
• Optical Mechanism: 4-Channel WDM Parallel Laser & Receiver Array
• Monitoring Function: DDM/DOM Digital Diagnostic Fully Supported
• Max Power Consumption: ≤4.5W
• Operating Temperature: 0°C ~ 70°C (Standard Industrial Grade)
• Key Features: Hot Pluggable, Low Latency, Low BER, WDM Multiplexing, Long Reach, Plug & Play
• Compliance: QSFP28 MSA, SFF-8636, IEEE 802.3ba, RoHS Compliant
• Compatible Platforms: Juniper MX/QFX/EX/SRX/ACX Series 100G Switches & Routers
• Application Scenarios: 100G Data Center Core Interconnection, Metropolitan Backbone Network, Cross-Building Long-Distance Uplink, Enterprise High-Speed Core Networking, 100G Network Migration & Upgrade

Package Content1 x Juniper 740-058732 QSFP-100GBASE-LR4 1310nm 10KM SMF LC QSFP28 Transceiver (Fully Tested)Shipping Policy

• Fast Shipping: Shipped within 1 business day after payment cleared
• Secure Packaging: Anti-static bag + foam + rigid carton for safe international transit
• Tracking Available: Valid tracking number updated after dispatch
• Delivery Time: US/EU/UK 7–18 business days; Other regions 15–25 business days
• Customs Notice: Import duties & local taxes are buyer’s responsibility

Return & Warranty Policy

• Warranty: 30-Day Free Return + 12-Month Warranty, 100% pre-tested
• Return Terms: Only unused, original packaged & unmodified items are accepted
• Technical Support: 24hr online support & professional Juniper 100G LR4 long-reach compatibility & deployment guidance
• Warranty Exclusion: Manual damage & unauthorized disassembly not covered
• Free Service: Pre-sale device compatibility check & post-sale 100G long-haul link debugging support

Buyer NotesGenuine Juniper 740-058732 100GBASE-LR4 long-reach QSFP28 module. Please verify the part number, 1310nm wavelength, 10KM SMF specification, and compatibility with your Juniper 100G QSFP28 devices before purchase. All modules are fully tested to deliver stable, reliable full-rate 100G long-distance link performance.