JNP-QSFP-40GE-IR4 Juniper Networks 40GBPS QSFP+ SMF Duplex LC Transceiver

Juniper Networks JNP-QSFP-40GE-IR4 Transceiver Module

The Juniper Networks JNP-QSFP-40GE-IR4 is a high-performance QSFP+ transceiver module engineered for reliable 40 Gigabit Ethernet connectivity. Designed for single-mode fiber deployments, it ensures seamless integration into enterprise networks, data centers, and backbone infrastructures.

General Information

• Manufacturer: Juniper Networks
• Part Number: JNP-QSFP-40GE-IR4
• Device Type: Transceiver

Technical Specifications

• QSFP+ (Quad Small Form-Factor Pluggable Plus)
• Data Rate: 40 Gbps 
• Ethernet Standard: 40GBASE-IR4
• Fiber Type: Single-Mode Fiber
• Transmission Distance: Up to 2 km
• Connector Type: Duplex LC
• Optical Technology: 4-lane CWDM MUX/DEMUX
• Operating Wavelengths: 1271 nm, 1291 nm, 1311 nm, 1331 nm
• Power Consumption: ≤ 3.5 W
• Supply Voltage: 3.3 V
• Digital Diagnostics Monitoring: Supported (DDM/DOM)
• Hot-Pluggable: Yes

Laser and Receiver

• Transmitter: DFB CWDM Laser
• Receiver: PIN Photodiode
• Transmit Optical Power: -7.0 dBm to +2.3 dBm (per lane)
• Receiver Sensitivity: ≤ -11.5 dBm (per lane)
• Receiver Overload: +2.3 dBm

Compliance Standards

• IEEE 802.3ba 40GBASE-IR4
• QSFP+ MSA (SFF-8436)
• RoHS Compliant
• CE & FCC Certified
• Class 1 Laser Safety

Compatibility

Supported Juniper Platforms

• QFX Series Switches
• EX Series Switches (selected models with QSFP+ ports)
• MX Series Routers
• PTX Series Routers
• Other Juniper devices supporting 40GBASE-IR4 QSFP+ optics

Overview JNP-QSFP-40GE-IR4 40GBPS Transceiver Module

The Juniper Networks JNP-QSFP-40GE-IR4 40GBPS QSFP+ Transceiver Module is engineered to deliver reliable high-speed data transmission across single-mode fiber infrastructures. Designed with a duplex LC connector, this optical transceiver ensures seamless integration into enterprise, data center, and service provider environments where bandwidth demand continues to escalate. Its compliance with industry standards makes it a trusted solution for organizations seeking scalable and efficient networking hardware.

Form Factor and Design

The QSFP+ form factor provides a compact, hot-pluggable design that simplifies deployment and replacement. The JNP-QSFP-40GE-IR4 module is optimized for density, allowing network administrators to maximize port utilization without compromising performance. Its robust build ensures durability in demanding environments, while the duplex LC connector supports straightforward fiber connections with minimal insertion loss.

Data Rate and Transmission

This transceiver supports a 40Gbps data rate, enabling rapid transmission of large volumes of data. The module is designed to meet the requirements of high-performance applications such as virtualization, cloud computing, and large-scale enterprise networking. Its ability to maintain consistent throughput ensures minimal latency and optimized traffic flow across the network.

Optical Characteristics

The JNP-QSFP-40GE-IR4 operates over single-mode fiber, offering extended reach and reduced signal attenuation compared to multimode solutions. Its infrared wavelength range is carefully calibrated to support long-distance communication while maintaining signal integrity. The duplex LC connector ensures stable optical alignment, reducing the risk of transmission errors.

Supported Wavelengths

The module leverages infrared wavelengths optimized for single-mode fiber transmission. These wavelengths are selected to minimize dispersion and maximize efficiency, ensuring that data signals remain clear and reliable even over extended distances.

Power Consumption

Engineered for energy efficiency, the JNP-QSFP-40GE-IR4 consumes minimal power while delivering maximum performance. This balance reduces operational costs and supports sustainable networking practices, making it suitable for organizations focused on energy-conscious infrastructure.

Data Center Deployments

In modern data centers, the demand for high-speed interconnectivity is paramount. The JNP-QSFP-40GE-IR4 module supports spine-leaf architectures, enabling efficient east-west traffic flow between servers and switches. Its 40Gbps capacity ensures that virtualization, storage, and cloud workloads are handled seamlessly without bottlenecks.

Enterprise Networks

Enterprises benefit from the scalability and reliability of this transceiver module. It supports backbone connections, ensuring that mission-critical applications such as unified communications, ERP systems, and collaborative platforms operate without interruption. The module’s compatibility with Juniper switches and routers enhances its adaptability across diverse enterprise infrastructures.

Service Provider Infrastructure

Telecommunication providers rely on high-capacity transceivers to deliver consistent services to customers. The JNP-QSFP-40GE-IR4 supports carrier-grade performance, enabling ISPs to expand bandwidth offerings and improve customer experiences. Its compliance with industry standards ensures interoperability across multi-vendor environments.

QFX Series Switches

The JNP-QSFP-40GE-IR4 integrates seamlessly with Juniper QFX series switches, which are widely deployed in data centers and enterprise backbones. This compatibility ensures that organizations can scale their infrastructure without concerns about interoperability or performance degradation.

EX Series Switches

For campus and enterprise networks, the EX series switches paired with the JNP-QSFP-40GE-IR4 deliver high-speed uplinks and backbone connectivity. This combination supports advanced networking features such as VLAN segmentation, security policies, and traffic prioritization.

MX and PTX Series Routers

Juniper MX and PTX series routers benefit from the high-capacity interconnectivity provided by this transceiver. These platforms are designed for carrier-grade routing, and the JNP-QSFP-40GE-IR4 enhances their ability to manage large-scale traffic flows across metropolitan and core networks.

IEEE and MSA Compliance

The JNP-QSFP-40GE-IR4 adheres to IEEE standards and QSFP+ Multi-Source Agreement (MSA) specifications. This compliance ensures interoperability with other vendor equipment, reducing integration challenges and supporting multi-vendor deployments.

Environmental Standards

RoHS compliance ensures that the module is manufactured with environmentally safe materials. This adherence to global standards supports sustainability initiatives and aligns with corporate responsibility goals.

Low Latency Transmission

The module is optimized for low-latency communication, making it suitable for applications where real-time data transfer is critical. Financial institutions, research facilities, and cloud providers benefit from its ability to deliver consistent performance without delays.

Scalability and Future-Proofing

As organizations expand their networks, the JNP-QSFP-40GE-IR4 provides a scalable solution that supports future growth. Its compatibility with evolving standards ensures that investments remain relevant as technology advances.

Reliability and Durability

Juniper’s engineering excellence ensures that the JNP-QSFP-40GE-IR4 delivers reliable performance under demanding conditions. Its durable design withstands environmental fluctuations, ensuring consistent operation across diverse deployment scenarios.

Cloud Infrastructure

Cloud providers require high-capacity interconnectivity to manage distributed workloads. The JNP-QSFP-40GE-IR4 supports cloud backbone connections, ensuring that data flows efficiently between compute, storage, and networking resources.

Campus Backbone Networks

Educational institutions and corporate campuses benefit from the high-speed backbone connectivity provided by this transceiver. It supports collaborative applications, video conferencing, and e-learning platforms with minimal latency.

Spine-Leaf Architectures

In spine-leaf topologies, the JNP-QSFP-40GE-IR4 ensures efficient traffic distribution between switches. This architecture supports scalability and redundancy, making it ideal for large-scale data center deployments.

Enhanced Network Management

The module supports Digital Diagnostic Monitoring providing administrators with real-time insights into parameters such as temperature, voltage, and optical power. This monitoring capability enhances proactive maintenance and reduces downtime.

Operational Efficiency

By enabling predictive maintenance, DDM ensures that potential issues are identified before they impact network performance. This capability reduces operational costs and enhances overall efficiency.

Strategic Value for Networking

The Juniper Networks JNP-QSFP-40GE-IR4 40GBPS QSFP+ Transceiver Module represents a strategic investment for organizations seeking reliable, scalable, and high-performance networking solutions. Its compatibility with Juniper platforms, adherence to industry standards, and support for diverse applications make it a cornerstone of modern networking infrastructure.