Product Overview
The Juniper 740-031849 (Rev 01) is a 1Gbps SFP long-haul optical transceiver manufactured by Sumitomo Electric. Designed for long-distance single-mode fiber (SMF) applications, it operates at a 1550nm wavelength and delivers reliable transmission up to 40 kilometers (1GE-LH specification) over standard single-mode fiber. It is fully qualified for Juniper MX, EX, and QFX series routers and switches.
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Key Specifications
| Parameter |
Details |
| Juniper P/N |
740-031849 (Rev 01) |
| Sumitomo P/N |
SCP6G74-J7-AWE |
| Data Rate |
1.25 Gbps (1000BASE-LX/LH compatible) |
| Wavelength |
1550 nm (DFB laser) |
| Transmission Distance |
Up to 40 km over single-mode fiber (SMF, 9/125 μm) |
| Fiber Type |
Single-mode fiber (SMF) |
| Connector |
Duplex LC |
| Form Factor |
SFP (MSA compliant) |
| Power Supply |
3.3V DC |
| Laser Class |
Class 1 |
| Manufacturing Location |
Made in China |
| Compatibility |
Juniper MX/MX2040/MX960, EX4300, QFX5100 series |
Key Features
-
1Gbps Long-Haul Performance
Delivers stable 1Gbps throughput, supporting 1000BASE-LH Ethernet for long-distance metro and regional network connections.
-
1550nm SMF Optimization
Uses a low-loss 1550nm DFB laser, minimizing signal attenuation over 40km single-mode fiber links, ideal for long-haul deployments.
-
Juniper Qualified
Factory-sealed and tested to Juniper's strict specifications, ensuring seamless integration and interoperability with Juniper networking hardware.
-
Hot-Pluggable Design
Compliant with SFP MSA standards, allowing tool-free installation and replacement without powering down the host device, minimizing network downtime.
-
Digital Optical Monitoring (DOM)
Supports real-time monitoring of optical power, temperature, voltage, and laser bias current, enabling proactive network management and troubleshooting.
Applications
- Metro and Regional Service Provider Networks: Extending 1G Ethernet services to remote customer sites across cities or regions.
- Enterprise Campus Backbones: Connecting geographically dispersed campus buildings over long distances.
- Juniper Router Uplinks: 1G long-haul uplinks for MX series routers in service provider and enterprise environments.
- Legacy Network Migration: Upgrading existing 1G fiber links to longer-reach 40km connections.
Our Services
- Faster delivery
- Worldwide shipping
- Alternative supply
- Sample service
- Test and warranty
- In-Stock(Most products)
- Quality Assured
- Customization
- Competitive Pricing
- Cost-effective equipment
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About Us
Skyward Telecom also known as Skywardtel, it was established in 2009. From the beginning to the end, we have been based on the
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FAQ
1. who are we?
We are based in Guangdong, China, start from 2009,sell to Northern Europe(10.00%),Western Europe(10.00%),Mid East(10.00%),Eastern Europe(10.00%),South America(10.00%),North America(10.00%),Domestic Market(5.00%),South Asia(5.00%),Southern Europe(5.00%),Oceania(5.00%),Central America(5.00%),Africa(5.00%),Eastern Asia(5.00%),Southeast Asia(5.00%). There are total about 80-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
All products are sold only after passing professional technical testing;
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Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,FCA,DDP;
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