QSFPP-40GBASE-LR4 Juniper 40GBASE-LR4 QSFP+ network transceiver module Fiber optic 40000 Mbit/s
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40GBASE-LR4 QSFP+
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overview
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QSFPP-40GBASE-LR4 Overview
Juniper Networks QSFPP-40GBASE-LR4 40ge Qsfp+ Lr4 Pluggable Optics Module.
Summary Description
Juniper 40GBASE-LR4 QSFP+. SFP transceiver type: Fiber optic, Maximum data transfer rate: 40000 Mbit/s, Interface type: QSFP. Certification: MSA. Number of products included: 1 pc(s)
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Specifications
Overview
| Condition | Refurbished |
|---|---|
| Brand | Juniper |
| Stock | In Stock |
Performance
| SFP transceiver type | Fiber optic |
|---|---|
| Maximum data transfer rate | 40000 Mbit/s |
| Interface type | QSFP |
| Single-mode fiber (SMF) supported | Yes |
| Fiber cable diameters supported (core/cladding) | 9/125 µm |
| Cabling technology | 40GBASE-LR4 |
| Auto MDI/MDI-X | Yes |
Features
| Hot-Plug support | Yes |
|---|---|
| Certification | MSA |
Operational conditions
| Operating temperature (T-T) | 0 - 70 °C |
|---|---|
| Storage temperature (T-T) | -40 - 85 °C |
| Operating relative humidity (H-H) | 10 - 80% |
| Storage relative humidity (H-H) | 10 - 85% |
Packaging data
| Number of products included | 1 pc(s) |
|---|
Frequently Asked Questions (FAQs)
What is the maximum transmission distance for the Juniper QSFPP-40GBASE-LR4 transceiver? +
The Juniper QSFPP-40GBASE-LR4 is designed for long-reach applications, supporting data transmission distances of up to 10 kilometers over single-mode fiber (SMF). It utilizes WDM (Wavelength Division Multiplexing) technology to multiplex four 10Gbps optical signals into a single 40Gbps stream, making it an ideal choice for campus backbones and inter-building connectivity.
Is the Juniper QSFPP-40GBASE-LR4 compatible with non-Juniper networking equipment? +
While this transceiver is specifically engineered for Juniper Networks platforms to ensure optimal performance and seamless integration, compatibility with third-party hardware depends on the specific device's support for open-standard QSFP+ interfaces. It is highly recommended to verify the port specifications of your target switch or router to ensure it supports the 40GBASE-LR4 standard and the necessary power requirements for this optical module.
Which type of fiber optic cabling should be used with this 40GBASE-LR4 module? +
This module requires single-mode fiber (SMF) cabling, typically utilizing an LC duplex connector interface. Given its long-reach capabilities, the fiber plant must be clean and properly terminated to minimize insertion loss. Ensure your cabling infrastructure meets the requirements for OS2 single-mode fiber to achieve the full 10-kilometer reach without signal degradation.
How does the power consumption of this module impact switch thermal management? +
The QSFPP-40GBASE-LR4 is designed to operate within the standard power envelope for QSFP+ modules. However, because it manages four laser channels for long-distance transmission, it may consume more power than short-range SR4 modules. Always consult your Juniper switch's hardware documentation to ensure the specific chassis slot can accommodate the power and cooling requirements of high-performance long-range optical transceivers.
Can I use the QSFPP-40GBASE-LR4 for high-speed data center interconnections? +
Yes, this transceiver is excellent for data center inter-rack connections or reaching across a large facility where distance exceeds the reach of multimode fiber. By providing 40Gbps throughput over single-mode fiber, it allows network architects to scale bandwidth effectively across distributed environments while maintaining low latency and high signal integrity over longer physical runs.
Does the QSFPP-40GBASE-LR4 require specific Junos OS configuration? +
In most Juniper platforms, the transceiver is plug-and-play. However, you may need to verify the interface settings within the Junos OS CLI to ensure the port is correctly configured for 40Gbps operation. Use the 'show interfaces diagnostics optics' command to monitor light levels, temperature, and voltage to ensure the module is functioning within optimal operational parameters after installation.
What are the primary use cases for deploying the 40GBASE-LR4 standard? +
The 40GBASE-LR4 standard is specifically used for enterprise and service provider networks requiring high-bandwidth connectivity over distances up to 10 kilometers. It is the standard solution for bridging data centers, connecting core switches to distribution layers in large campus environments, or providing high-speed uplinks that traverse external fiber paths where short-range optics are physically insufficient.
Are there any specific maintenance practices for the LC interfaces on these transceivers? +
Proper maintenance is critical for optical performance. Always inspect the LC connector ferrules for dust or oils before installation. If the connection exhibits errors or poor signal-to-noise ratios, use a fiber optic cleaning tool to ensure the glass is pristine. Protecting the module with dust caps whenever it is not connected to a fiber patch cord will significantly extend its operational reliability.
How can I obtain a bulk quote for the Juniper QSFPP-40GBASE-LR4 through BuyRouterSwitch.com? +
To receive a competitive bulk quote, please visit the product page on BuyRouterSwitch.com and utilize our 'Request a Quote' feature. Our team is equipped to handle high-volume procurement requests for data centers and large-scale enterprise deployments, ensuring you receive optimized pricing and efficient processing for your specific project requirements.
Why should I choose BuyRouterSwitch.com for my Juniper hardware procurement? +
BuyRouterSwitch.com provides industry-leading access to authentic networking hardware, including high-performance optical transceivers. We focus on streamlining the procurement process for IT professionals by offering transparent inventory availability and expert assistance for large volume orders. Our platform is built to support your infrastructure expansion with reliable sourcing and a professional purchasing experience tailored to networking procurement managers.
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