JNP-QSFP-100G-LR4 Juniper Optical Transceiver, 100G QSFP28, 10km SMF

Juniper JNP-QSFP-100G-LR4 QSFP28 Optical Transceiver

The Juniper Networks JNP-QSFP-100G-LR4 is a high-performance QSFP28 optical transceiver engineered for 100 Gigabit Ethernet connectivity. Designed for long-distance communication, it supports up to 10 km transmission over single-mode fiber ensuring reliable data transfer in enterprise and data center environments.

General Information

• Manufacturer: Juniper Networks
• Part Number: JNP-QSFP-100G-LR4
• Device Type: Optical Transceiver

Technical Specifications

• Speed: 100 Gigabit Ethernet
• Form Factor: QSFP28
• Product Category: High-speed networking module
• Breakout Capability: Not supported
• Monitoring: Digital Optical Monitoring available
• Compliance: IEEE 802.3ba-2010 (100GBASE-LR4)
• Signaling Rate: 25.78125 Gbd ± 100 ppm per lane
• Connector Type: Duplex LC
• Cable Type: Single-mode fiber 
• Core Size/Cladding: 9/125 μm
• Transmission Distance: Up to 10 km

Optical Parameters

• 1294.53 nm – 1296.59 nm
• 1299.02 nm – 1301.09 nm
• 1303.54 nm – 1305.63 nm
• 1308.09 nm – 1310.19 nm

Juniper JNP-QSFP-100G-LR4 Optical Transceiver Overview

The Juniper JNP-QSFP-100G-LR4 is a high-performance QSFP28 optical transceiver engineered to deliver reliable 100 Gigabit Ethernet connectivity across long-distance single-mode fiber infrastructures. Designed for data centers, enterprise backbones, and carrier-grade networks, this transceiver supports transmission distances up to 10 kilometers using serial SMF, ensuring seamless integration into modern high-speed networking environments.

Form Factor and Design Characteristics

The transceiver adopts the QSFP28 form factor, which is compact, hot-pluggable, and optimized for high-density deployments. Its design allows network operators to scale bandwidth efficiently while maintaining compatibility with existing QSFP28 slots across Juniper platforms.

Connector Interface

Equipped with a duplex LC connector, the JNP-QSFP-100G-LR4 ensures secure and stable fiber connections. The LC interface is widely adopted in enterprise and carrier networks, making integration straightforward and reliable.

Transmission Technology

This optical transceiver leverages advanced serial transmission over single-mode fiber, utilizing four separate wavelengths in the 1310 nm range to achieve 100 Gbps throughput. The LR4 standard ensures consistent performance across extended distances without signal degradation.

Ethernet Standard

Compliant with IEEE 802.3ba 100GBASE-LR4, the module guarantees interoperability across standardized 100 Gigabit Ethernet infrastructures. This ensures seamless communication between Juniper devices and other compliant networking equipment.

Maximum Data Rate

The JNP-QSFP-100G-LR4 supports a line rate of 103.125 Gbps, delivering full 100 Gigabit Ethernet bandwidth for demanding applications such as cloud computing, virtualization, and large-scale data transfers.

Optical Wavelengths

The transceiver operates across four distinct wavelengths in the 1310 nm band, multiplexed to achieve high-speed transmission. This wavelength allocation minimizes crosstalk and enhances signal integrity over long distances.

Reach and Distance

Engineered for long-reach applications, the LR4 module supports transmission distances up to 10 kilometers over standard single-mode fiber. This makes it ideal for interconnecting data centers, enterprise campuses, and metro networks.

Laser and Receiver Technology

The module employs distributed feedback (DFB) lasers for stable optical output and PIN photodiodes for precise signal reception. This combination ensures low bit error rates and consistent performance under varying network loads.

Industry Certifications

The transceiver adheres to QSFP28 MSA, IEEE 802.3ba, and SFF-8636 standards, ensuring compatibility across a wide range of networking devices. It is also RoHS compliant, meeting environmental and safety regulations.

Digital Diagnostics Monitoring

Integrated DOM/DDM functionality allows real-time monitoring of parameters such as optical power, temperature, and voltage. This enhances network reliability by enabling proactive maintenance and troubleshooting.

Data Center Interconnect

The JNP-QSFP-100G-LR4 is widely deployed in data center interconnect scenarios, providing high-speed links between facilities. Its long-reach capability ensures efficient communication across metropolitan distances.

Enterprise Core Networking

Enterprises leverage this transceiver to build resilient backbone infrastructures, supporting bandwidth-intensive applications such as unified communications, virtualization, and enterprise cloud services.

Carrier and Metro Networks

Service providers utilize the LR4 module for metro aggregation and backbone connectivity, ensuring reliable high-speed transport across urban and regional networks.

QFX Series Switches

The transceiver is compatible with Juniper QFX series switches, including QFX5200, QFX5210, and QFX10000 platforms. These switches form the foundation of high-performance data center fabrics.

PTX Series Routers

Juniper PTX routers, designed for carrier-grade backbone networks, fully support the JNP-QSFP-100G-LR4, enabling scalable and efficient packet transport across global infrastructures.

MX Series Routers

MX series routers integrate seamlessly with the LR4 transceiver, providing high-speed interfaces for enterprise and service provider edge deployments.

High Bandwidth Efficiency

By delivering 100 Gbps over a single transceiver, the LR4 module maximizes bandwidth density, reducing the number of required interfaces and simplifying network design.

Latency Transmission

Optimized for minimal latency, the transceiver supports real-time applications such as financial trading, video conferencing, and cloud-based workloads.

Scalability

The QSFP28 form factor allows operators to scale bandwidth incrementally, supporting future growth without requiring major infrastructure overhauls.

Temperature Range

The transceiver operates reliably within a commercial temperature range of 0°C to +70°C, ensuring consistent performance in controlled data center environments.

Storage Conditions

It supports storage temperatures from -40°C to +85°C, providing resilience during transport and long-term inventory management.

Cloud Computing Infrastructure

Cloud providers deploy the LR4 transceiver to support massive east-west traffic within hyperscale data centers, ensuring seamless workload distribution.

High-Speed Server Connectivity

Servers equipped with 100G interfaces benefit from the LR4’s long-reach capability, enabling direct connections across extended distances without intermediate switches.

Spine-Leaf Architectures

In modern spine-leaf topologies, the LR4 module provides high-bandwidth uplinks between spine and leaf switches, ensuring non-blocking network performance.

Support for Emerging Applications

As enterprises adopt AI, machine learning, and big data analytics, the LR4 transceiver delivers the bandwidth and reliability required to support these demanding workloads.

Interoperability

Compliance with industry standards ensures interoperability with third-party devices, protecting investments and enabling flexible network design.

Energy Efficiency

Low power consumption contributes to sustainable networking practices, reducing operational costs and supporting green IT initiatives.

Reliable Long-Reach Connectivity

The Juniper JNP-QSFP-100G-LR4 stands as a cornerstone of modern networking, delivering reliable 100 Gigabit Ethernet connectivity across long-distance single-mode fiber. Its combination of performance, efficiency, and compatibility makes it indispensable for data centers, enterprises, and service providers seeking scalable high-speed solutions.