Juniper Network 740-021308 (Finisar FTLX8571D3BCL-J1) 10Gbps SFP+ optical transceiver
Product Overview
Key Specifications
| Parameter | Details |
|---|---|
| Juniper P/N | 740-021308 (Rev 01) |
| Finisar P/N | FTLX8571D3BCL-J1 |
| Data Rate | 10.5 Gbps (10GBASE-SR, compatible with 10G Ethernet) |
| Wavelength | 850 nm (VCSEL laser) |
| Transmission Distance | Up to 300m (OM3 MMF) / Up to 100m (OM2 MMF) |
| Fiber Type | Multi-mode fiber (MMF, 50/125 μm or 62.5/125 μm) |
| Connector | Duplex LC |
| Form Factor | SFP+ (SFF-8431 compliant) |
| Power Supply | 3.3V DC |
| Laser Class | Class 1 |
| Manufacturing Location | Made in Malaysia |
| Compatibility | Juniper MX/MX2040/MX960, EX4300, QFX5100 series |
Key Features
-
10Gbps High-Speed Performance
Delivers line-rate 10Gbps throughput, supporting 10GBASE-SR Ethernet for high-density server and switch connections.
-
Short-Reach MMF Optimization
Specifically engineered for 850nm VCSEL transmission over multi-mode fiber, ideal for rack-to-rack and server-to-top-of-rack (ToR) connections within data centers.
-
Juniper Qualified
Factory-sealed and tested to Juniper's strict specifications (part number 740-021308), 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
- Data Center Interconnects: High-speed 10G links between servers, leaf, and spine switches.
- Enterprise Campus Backbones: Connecting wiring closets to core switches over multi-mode fiber.
- Juniper Router Uplinks: 10G uplinks for MX series routers in service provider and enterprise environments.
- High-Density Server Connections: 10GBASE-SR links for virtualization hosts and storage area networks (SANs).
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
For this model, we have new original, cost-effective compatible, and economical second-hand . We provide you with a variety of choices, the same quality! Each products has been strictly tested to ensure stable performance, worry-free use, and enjoy an efficient experience. Full range of options: new original quality assurance, compatible models are super value and practical, and second-hand are economical and durable. Strict quality control: each products is tested before shipment. Worry-free after-sales: warranty commitment, normal use, and quality problems can be returned or exchanged.
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
motto of integrity，Our mission is to help engineers and businesses overcome the challenges of acquiring high-quality, low-cost
communication products.And has provided network security and computer asset management solutions for users in more than 80
countries around the world, and has been recognized by the market.
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;
Brand new, unopened switches, routers, servers, workstations, and other computer peripherals.
Brand new or refurbished equipment and circuit boards.BBU\RRU.
Brand new or custom-made communication cables (coaxial cables, fiber optic cables, network cables, power cords, AISG cables, etc).
Brand new or custom-made connectors.SMA connector, BNC connetor, RF connector, etc.
Brand new or custom-made cooling fans
Base station related accessories.
Weighing controller,Computer software,computer hardware,Weighing transmitter
4. why should you buy from us not from other suppliers?
Best quality！ Lowest price！ Quality assurance, honest transactions! Received high praise from numerous customers！ Leading through
exceptional service and creative solutions to help our partners succeed！
Skyward Telecom establish our foundation on integrity, win trust with professionalism, and warm hearts with service！
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,FCA,DDP；
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Cash;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Koren,Hindi,Italian