QSFP+ 40Gb/s Transceiver

Product Introduction

The QSFP+ 40Gb/s Transceiver is a compact high-speed optical module designed for 40Gb/s Ethernet, InfiniBand, OTN, data center and telecom applications. It integrates four independently addressable channels in one QSFP+ interface, providing high port density and efficient 40G connectivity.

The product family offers multiple transmission distances, optical technologies, fiber types and connector options. Available models support short-reach multimode fiber links and long-distance single-mode fiber transmission up to 100 km.

Key Features

• 40Gb/s high-speed optical transmission

• QSFP+ hot-pluggable form factor

• Four independent transmit and receive channels

• Single 3.3V power supply

• QSFP+ MSA and SFF-8436 compatible

• LC and MPO connector options

• Multimode and single-mode fiber support

• Digital Diagnostics Monitoring (DDM)

• Supports 40G Ethernet and InfiniBand

• Supports InfiniBand SDR, DDR and QDR

• Supports OTN OTU3, OTU3e1 and OTU3e2

• Standard and industrial temperature options

• RoHS compliant

• Transmission distances from 150 m to 100 km

Main Product Specifications

Short-Reach 40G Transceivers

QSFP-40G-SRBD provides 40GBASE-SR-BiDi connectivity over multimode fiber with an LC interface and up to 150 m reach.

QSFP-40G-CSR uses SWDM4 technology and supports transmission up to 300 m. For parallel optical connections, QSFP-40G-SR4-MM850 and QSFP-40G-eSR4-MM850 provide 150 m and 300 m reach through MPO connectors.

These modules are suitable for switches, routers, servers and short-distance data center connections where high port density is required.

Single-Mode Fiber Solutions

For longer network links, the QSFP+ 40Gb/s Transceiver portfolio includes PSM4, PLR4, LX4, IR4, LR4, eLR4, ER4 and ZR4 solutions.

Typical transmission distances include:

• PSM4: 2 km

• PLR4: 10 km

• LX4: 500 m

• IR4: 2 km

• LR4: 10 km

• eLR4: 20 km

• ER4: 40 km

• ZR4: 80 km

• ZR4L: 100 km

LC connector versions are available for many single-mode fiber applications, providing flexible solutions for enterprise, telecom and data center networks.

40G BiDi Transceivers

The QSFP-40G-BX60U and QSFP-40G-BX60D are 40G BiDi optical transceivers designed for up to 60 km over single-mode fiber.

They use complementary wavelength configurations and simplex LC connectivity, making them suitable for applications where fiber utilization and infrastructure efficiency are important.

Industrial Temperature Options

Selected models are available in industrial-grade versions for demanding operating environments, including:

• QSFP-40G-LR4-SM1310-I

• QSFP-40G-eLR4-SM1310-I

• QSFP-40G-ER4-SM1310-I

• QSFP-40G-ZR4-SM1310-I

Standard models support typical 0°C to 70°C operation, while selected industrial versions support wider temperature ranges. Please confirm the exact temperature specification for the required model.

Typical Applications

The QSFP+ 40Gb/s Transceiver is suitable for:

• Data center networks

• 40G Ethernet

• Enterprise networks

• Network switches

• Routers

• Server-to-switch connections

• High-performance computing

• InfiniBand networks

• OTN networks

• Telecom infrastructure

• Data center interconnects

• Long-distance fiber links

40G QSFP+ to SFP+ Adapter

CVR-QSFP-SFP10G is a 40G QSFP+ to 10G SFP+ adapter module designed for compatible network equipment requiring interface conversion.

It provides an additional connectivity option when integrating 40G QSFP+ equipment with 10G SFP+ network infrastructure.

Selection Guide

When selecting a 40G QSFP+ transceiver, consider:

• Transmission distance

• Multimode or single-mode fiber

• LC or MPO connector

• Optical wavelength

• Network equipment compatibility

• Operating temperature

• Required optical link budget

• Ethernet, InfiniBand or OTN application

• Standard or BiDi architecture

SR4 and SRBD models are suitable for short-distance data center links. PSM4 and CWDM4 models are suitable for medium-distance connections, while LR4, ER4 and ZR4 models are designed for longer single-mode fiber transmission.

B2B Product Advantages

For optical communication equipment manufacturers, data center operators, telecom companies, system integrators and distributors, the QSFP+ 40Gb/s Transceiver portfolio provides flexible 40G networking solutions.

Main advantages include:

• Multiple transmission distances

• Compact QSFP+ design

• High port density

• Hot-pluggable installation

• LC and MPO interfaces

• MMF and SMF support

• Multiple optical technologies

• DDM monitoring

• Industrial-grade options

• Long-distance transmission up to 100 km

• BiDi solutions

• QSFP+ to SFP+ adapter options

Supplier Information

Infinol Technology (Shenzhen) Co., Ltd. provides optical transceiver solutions for data communication, Ethernet, telecom and data center applications.

The 40G QSFP+ portfolio covers short-reach, medium-distance and long-distance networking requirements, allowing B2B buyers to select modules according to transmission distance, fiber type, connector and operating environment.

FAQ

Q1: What is a QSFP+ 40G transceiver?
It is a compact optical module designed for 40Gb/s network transmission and integrates four optical channels in one QSFP+ interface.

Q2: What transmission distances are available?
Different models support approximately 150 m to 100 km, depending on the optical technology and fiber type.

Q3: Are LC and MPO versions available?
Yes. Different models are available with LC or MPO connectors.

Q4: Are industrial-temperature models available?
Yes. Selected LR4, eLR4, ER4 and ZR4 models are available in industrial-grade versions.

Product Summary

The QSFP+ 40Gb/s Transceiver provides compact, high-density 40G connectivity for data centers, Ethernet, InfiniBand, OTN and telecom networks. With options from 150 m to 100 km, LC and MPO interfaces, MMF and SMF support, multiple optical technologies and industrial-grade models, it can meet diverse network requirements. Infinol Technology (Shenzhen) Co., Ltd. supplies flexible 40G optical transceiver solutions for B2B networking applications.