740-057315 Juniper Networks QSFP+ 40 Gigabit Ethernet Breakout Transceiver

Highlights of Juniper Networks 740-057315 APC Transceiver

The Juniper Networks 740-057315 QSFP+ 40 Gigabit Ethernet breakout optical transceiver is a high-capacity networking solution designed for flexible 40GbE to 4x10GbE conversion. It supports long-distance transmission up to 10 km over single-mode fiber (SMF) using MPO-12 APC connectivity, making it ideal for modern data centers and enterprise backbone networks.

General Information

• Manufacturer: Juniper Networks
• Part Number: 740-057315
• Product Type: Optical Transceiver Module
• Sub-Type: QSFP+ 40 Gigabit Ethernet

Technical Specifications

• Transceiver Type: QSFP+
• Connector: MPO-12 APC
• Fiber Type: Single-Mode Fiber (SMF)
• Core Size: 9/125 µm

High-Speed 40GBE Breakout Performance

Flexible 4 x 10GbE Network Expansion

Key Performance Benefits

• Supports 4 x 10 Gigabit Ethernet lanes
• Compliant with IEEE 802.3 Clause 52 standards
• Enables long-distance transmission up to 10 km over SMF

Optical Power & Transmission Stability

Reliable Long-Distance Signal Performance

• Transmit Power (Min): -6.5 dBm
• Transmit Power (Max): 0.5 dBm
• Receive Power (Min): -14.4 dBm
• Receive Power (Max): 1.5 dBm

Monitoring & Diagnostic Capabilities

Advanced Digital Optical Monitoring (DOM)

Monitoring Functions

• Transceiver temperature monitoring
• Supply voltage tracking
• Bias current and optical power diagnostics

Environmental Conditions

Low Power Consumption Design

• Maximum Power Usage: 3.5W

Operating Environment

• Operating Temperature: 0°C to 70°C
• Storage Temperature: -40°C to 85°C

Overview of Juniper 740-057315 QSFP+ 40GBE Transceiver

The Juniper Networks 740-057315 QSFP+ 40 Gigabit Ethernet Breakout Optical Transceiver is a high performance, enterprise grade optical networking module engineered to support modern data center interconnect, service provider backbone, and cloud infrastructure environments that require both long reach transmission and flexible breakout functionality. Designed to operate over single mode fiber with long range capability up to 10 kilometers, this module enables reliable high bandwidth optical communication between geographically distributed sites, campus networks, and metro aggregation layers.

High Capacity Data Center and Carrier Grade Connectivity

The Juniper 740-057315 module delivers 40 Gigabit Ethernet performance, enabling high speed optical data transmission across networks that demand consistent bandwidth, low latency, and reliable throughput. This capability is essential for modern data centers, enterprise infrastructures, and service provider networks that support virtualization, cloud computing, and distributed application workloads. The module ensures smooth and efficient communication between networking devices, reducing congestion and improving overall system performance in high density environments.

Throughput for Cloud Computing and Infrastructure Environments

The transceiver is optimized for cloud computing environments and virtualized infrastructure workloads, delivering consistent throughput that supports server virtualization, storage systems, and distributed application architectures. This ensures stable performance for mission critical workloads that require continuous high speed data exchange. It enhances scalability and improves operational efficiency in enterprise and hyperscale environments.

Low Latency Optical Transmission for Real Time and Applications

The module provides low latency optical transmission, ensuring rapid communication across high speed optical links. This is essential for real time applications such as financial trading systems, AI processing clusters, video analytics, and cloud based services that require immediate responsiveness and predictable performance. It ensures stable and reliable operation for mission critical workloads in enterprise networks.

Breakout Capability for Flexible Network Architecture and Port Utilization

The Juniper 740-057315 QSFP+ transceiver supports breakout functionality, allowing a single 40 Gigabit Ethernet port to be divided into multiple lower speed connections. This provides flexibility in network design and enables efficient use of available bandwidth resources across high density infrastructures. Breakout capability is especially valuable in modern data centers where aggregation and distribution of traffic across multiple devices are required to support scalable architectures.

Bandwidth Allocation for Multi Device Connectivity

The breakout functionality enables efficient bandwidth allocation by dividing a high speed 40G connection into multiple lower speed links. This improves resource utilization and reduces the need for additional physical ports in networking equipment. It enhances network efficiency and supports flexible infrastructure design.

Scalable Network Expansion for Enterprise and Data Center Environments

The module supports scalable network expansion by enabling incremental deployment of connectivity resources. This allows organizations to grow their network infrastructure gradually while maintaining cost efficiency and operational stability. It ensures long term adaptability in evolving network environments.

Long Reach Optical Transmission up to 10KM over Single Mode Fiber Infrastructure

The Juniper 740-057315 module supports long reach optical transmission up to 10 kilometers over single mode fiber, making it ideal for metro networks, campus interconnects, and distributed enterprise environments. This extended reach capability enables high speed communication between geographically separated locations without signal degradation. It eliminates the need for intermediate signal regeneration, reducing infrastructure complexity and operational costs.

Reliable Inter Building Connectivity for Enterprise Campus Networks

The module enables reliable communication between buildings within enterprise campuses, ensuring seamless data transfer across distributed infrastructure systems. This supports unified IT operations and enhances organizational efficiency in multi site environments. It improves connectivity reliability and supports scalable enterprise network design.

Metro Area Network Deployment for Service Provider Infrastructure

The transceiver is well suited for metro area network deployments, enabling service providers to deliver high speed connectivity across cities and regional infrastructure. This supports scalable backbone networks capable of handling large volumes of traffic efficiently. It ensures stable and high performance communication across extended network topologies.

MPO-12 APC Receptacle Design for High Density Optical Interconnect

The Juniper 740-057315 module features an MPO-12 APC receptacle, providing high density optical connectivity with improved signal performance and reduced reflection loss. The APC (Angled Physical Contact) design enhances optical stability by minimizing back reflection, which is critical for maintaining signal integrity in high speed networks. This connector design is widely used in modern data center environments where multiple fiber channels must be managed efficiently within limited space.

High Density Fiber for Modern Data Center Infrastructure

The MPO-12 interface supports multiple fiber channels within a single connector, enabling compact and efficient fiber management in high density environments. This is essential for hyperscale data centers where space optimization and structured cabling are critical requirements. It supports organized infrastructure design and improved operational efficiency.

Enhanced Optical Signal Quality for Long Distance Transmission Stability

The APC connector design ensures enhanced optical signal quality by reducing reflection and maintaining stable transmission across long distance fiber links. This improves overall performance and ensures reliable communication across distributed network systems. It supports dependable enterprise and carrier grade networking environments.

QSFP+ Pluggable Form Factor for High Density and Scalable Network Deployment

The QSFP+ form factor of the Juniper 740-057315 module is designed for high density optical networking environments, enabling multiple transceivers to be deployed within a single networking device. This compact architecture significantly increases port density while reducing physical space requirements in data center and telecom environments. The pluggable design ensures flexibility, easy installation, and simplified maintenance across large scale deployments.

Continuous Network Availability

The module supports hot swappable functionality, allowing installation or removal without interrupting network operations. This ensures continuous service availability and minimizes downtime during maintenance or upgrades in mission critical environments. It enhances operational efficiency and supports high availability network architectures.

Compact Design for Hyperscale Data Center

The QSFP+ compact design enables efficient deployment in hyperscale environments where maximizing port density and minimizing space usage are essential. This supports scalable infrastructure growth without increasing physical footprint. It improves hardware efficiency and supports long term network scalability.

Juniper Networking Platforms for Seamless Integration

The Juniper 740-057315 module is fully compatible with a wide range of Juniper networking platforms, ensuring seamless integration into existing network infrastructures. This compatibility simplifies deployment and ensures consistent performance across supported devices in enterprise and carrier environments. The plug and play design enables rapid deployment without complex configuration requirements.

Functionality for Simplified Network Expansion

The module supports plug and play functionality, allowing automatic detection by compatible systems. This reduces deployment time and simplifies network expansion processes for IT administrators managing large scale infrastructures. It enhances operational efficiency and reduces configuration overhead.

Stable Performance Across Switching and Routing Platforms

The transceiver delivers stable performance across supported switching and routing platforms, ensuring reliable connectivity in diverse deployment scenarios. This ensures predictable network behavior and consistent communication quality across infrastructure components. It supports dependable operation in enterprise and carrier grade environments.

Integration with WAN Technologies

The Juniper 740-057315 module complements WAN technologies and enterprise routing systems such as HWIC-4SHDSL by providing high speed optical Ethernet connectivity that enhances both internal and external communication. This integration enables organizations to build unified networking architectures combining optical transport with WAN connectivity for distributed enterprise environments. It ensures seamless data flow across multiple network layers and supports efficient enterprise networking strategies.

Scalable Infrastructure for Expanding Enterprise Networking Requirements

The integration of optical modules with WAN connectivity solutions provides a scalable infrastructure that allows organizations to expand their network capabilities as business needs evolve. This ensures long term adaptability and supports continuous improvement of enterprise networking systems. It provides a future ready foundation for modern digital enterprise environments.

Enterprise Grade Reliability and High Availability

The Juniper Networks 740-057315 QSFP+ 40GBASE Optical Transceiver Module is built to deliver enterprise grade reliability, ensuring consistent performance in mission critical environments where uptime is essential. Its robust optical design minimizes downtime and supports continuous operation in high performance networking infrastructures. The module is suitable for data centers, enterprise networks, and service provider environments that require dependable long reach 40 Gigabit Ethernet connectivity.

High Availability Optical Design for Continuous Network Operation

The module supports high availability network design by ensuring stable optical connections that maintain continuous data transmission even under heavy workloads and demanding traffic conditions. This enhances network resilience and supports uninterrupted business operations. It ensures reliable performance for critical enterprise applications.