Juniper 740-031981 (Source Photonics SPP-10E-LR-EDFF-JNP) 10Gbps SFP+ long-reach optical transceiver
Product Overview
The Juniper 740-031981 (Rev 01) is a high-performance 10Gbps SFP+ long-reach optical transceiver manufactured by Source Photonics. Designed for extended-temperature environments, it operates at a 1310nm wavelength and delivers reliable transmission up to 10 kilometers over standard single-mode fiber (SMF). It is fully qualified for Juniper MX, EX, and QFX series routers and switches, with an extended commercial temperature range of 0°C to +85°C.
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Key Specifications
| Parameter | Details |
|---|---|
| Juniper P/N | 740-031981 (Rev 01) |
| Source Photonics P/N | SPP-10E-LR-EDFF-JNP |
| Data Rate | 10.5 Gbps (10GBASE-LR, compatible with 10G Ethernet) |
| Wavelength | 1310 nm (DFB laser) |
| Transmission Distance | Up to 10 km over single-mode fiber (SMF, 9/125 μm) |
| Fiber Type | Single-mode fiber (SMF) |
| Connector | Duplex LC |
| Form Factor | SFP+ (SFF-8431 compliant) |
| Power Supply | 3.3V DC |
| Operating Temperature | 0°C to +85°C (extended commercial grade) |
| Laser Class | Class 1 |
| Manufacturing Location | Made in China (CN) |
| Compatibility | Juniper MX/MX2040/MX960, EX4300, QFX5100 series |
Key Features
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10Gbps Long-Reach Performance
Delivers line-rate 10Gbps throughput, supporting 10GBASE-LR Ethernet for medium-distance campus and metro connections.
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1310nm SMF Optimization
Uses a low-loss 1310nm DFB laser, minimizing signal attenuation over 10km single-mode fiber links.
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Extended Temperature Range
Supports 0°C to +85°C operation, making it ideal for warmer data centers or outdoor telecom deployments.
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Juniper Qualified
Factory-sealed and tested to Juniper's strict specifications, ensuring seamless integration with Juniper networking hardware.
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Hot-Pluggable Design
Compliant with SFP+ MSA standards, allowing tool-free installation and replacement without powering down the host device.
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Digital Optical Monitoring (DOM)
Provides real-time monitoring of optical power, temperature, voltage, and laser bias current for proactive network management.
Applications
- Metro and Campus Backbones: 10G links between geographically dispersed buildings over 10km SMF.
- High-Temperature Data Centers: Reliable 10G connectivity in warmer server room environments.
- Juniper Router Uplinks: 10G long-haul uplinks for MX series routers in service provider and enterprise networks.
- Service Provider Access Networks: Extending 10G Ethernet services to remote customer sites.
Our Services
Faster delivery | Worldwide shipping | Alternative supply | Sample service | Test and warranty | In-Stock (Most products) | Quality Assured | Customization | Competitive Pricing | Cost-effective modules
For optical transceivers, we offer new original, high-quality compatible, and economical refurbished options to fit different project budgets. All modules go through the same strict testing process to ensure stable performance, plug-and-play compatibility, and reliable long-term operation.
Full range of options:
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New original: 100% genuine, brand new, with full manufacturer quality assurance.
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Compatible modules: Cost-effective, fully tested, compatible with Cisco, Huawei, Ericsson, Nokia, Juniper, HP, H3C, Arista, Dell and other major brands.
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Refurbished / second-hand: Economical, functionally tested, durable for daily use.
Strict quality control: Each optical transceiver is professionally tested before shipment, including optical power, compatibility (with Cisco, Huawei, Ericsson, Nokia, etc.), DDM function, and long-duration stability testing.
Worry-free after-sales: Warranty provided; any quality-related issues under normal use are covered for return or replacement.
About Us
Skyward Telecom, also known as Skywardtel, was established in 2009. We have always adhered to the principle ofintegrity first, with a mission to help engineers, integrators, and enterprises obtain high-quality, cost-effective communication products.
Specializing in optical transceivers, telecom modules, base station equipment, and connectivity solutions, we focus on providing multi-brand compatible optical modules (Cisco, Huawei, Ericsson, Nokia, Juniper, HP, etc.) and have served clients in more than 80 countries worldwide, earning consistent market recognition for reliability, price competitiveness, and professional technical support.
FAQ
- Who are we?
We are based in Guangdong, China, founded in 2009. Our products are sold to Northern Europe, Western Europe, Eastern Europe, North America, South America, Middle East, Africa, Asia, Oceania, and other global markets. We focus on optical transceivers, telecom modules, base station equipment, and communication accessories, with a professional team of 80-100 people.
- How can we guarantee quality?
All optical transceivers undergo professional optical performance testing before shipment. - Compatibility verification on major brand equipment (Cisco, Huawei, Ericsson, Nokia, Juniper, HP, H3C, Arista). - 100% inspection for each module to ensure stable, error-free operation. - Strict quality control for new, compatible, and refurbished products.
- What can you buy from us?
1G / 1.25G / 2.5G / 10G / 25G / 40G / 100G optical transceivers (SFP, SFP+, SFP28, QSFP+, QSFP28) - New original, compatible (Cisco/Huawei/Ericsson/Nokia compatible), and refurbished optical modules - Multi-brand compatible transceivers for base stations, switches, and data centers - Telecom accessories, fiber cables, connectors, and base station components
- Why should you buy from us not from other suppliers?
Professional focus on optical transceivers and telecom equipment, with years of industry experience. - Multiple supply options: original, compatible (for major brands), refurbished. - Strict testing for every module, ensuring compatibility with Cisco, Huawei, Ericsson, Nokia, etc. - Competitive wholesale pricing and stable stock. - Global delivery, fast shipping, and professional technical support. - Integrity-based operation, trusted by customers worldwide.
- What services can we provide?
Accepted Delivery Terms: FOB, CFR, CIF, EXW, FCA, DDP Accepted Payment Currency: USD, EUR, GBP, HKD, CNY Accepted Payment Type: T/T, Credit Card, PayPal, MoneyGram Language Support: English, Chinese, Spanish, Arabic, French, Portuguese, German, Russian, Japanese, Korean, Hindi, Italian Welcome to contact us for the best bulk price and latest stock availability.