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Allied Telesis AT-QSFPSR4 QSFP+ Module - 40GBase-SR4 MPO Optical Fiber - Multi-mode Hot-swappable

SKU: AT-QSFPSR4
UPC: 767035206165
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MSRP: $1,851.99
$1,851.99
$1,467.99
Save: $384.00 (20.73%)
Warranty Information: 1 Year
Condition: New
Width: 1.23 (cm)
Height: 1.23 (cm)
Depth: 1.23 (cm)

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Product Features

Description

Product Overview

The Allied Telesis AT-QSFPSR4 is a QSFP+ optical transceiver module engineered for high-density 40 Gigabit Ethernet deployments in data centers and enterprise networks. This module implements the 40GBase-SR4 standard, delivering reliable 40 Gbps throughput over multi-mode fiber optic cabling.

Designed with a single MPO connector interface, the module supports parallel optics technology, making it suitable for short-reach optical links within racks or across adjacent equipment. Its hot-swappable form factor allows for tool-free installation and replacement without disrupting network operations, supporting agile infrastructure management.

This section brings together practical product details such as Application/Usage, Total Number of Ports, Connector Type, Interfaces/Ports Details, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.

Optics
40GbE
Link Speed
MPOOptical Fiber
Module Format & Speed
Form FactorQSFP+
Network Technology40GBase-SR4
Ethernet Speed40 Gigabit Ethernet
Connector & Media
Connector TypeMPO
Media TypeOptical Fiber
Fiber ModeMulti-mode
Compatibility & Support
CompatibilityMSA Compliant
Form FactorHot-swappable
Warranty1 Year Limited

Technical Overview

This transceiver operates on the 40GBase-SR4 protocol, which utilizes four parallel 10 Gbps lanes to achieve an aggregate data rate of 40 Gbps. It is optimized for use with OM3 or OM4 multi-mode fiber, supporting link distances appropriate for in-building and campus backbone applications.

The module is fully compliant with Multi-Source Agreement (MSA) specifications, ensuring interoperability with a wide range of QSFP+ switch and router ports from various vendors. This compliance reduces compatibility concerns and simplifies procurement for mixed-vendor environments.

This section brings together practical product details such as Application/Usage, Total Number of Ports, Connector Type, Interfaces/Ports Details, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.

Port Count1
Data Rate40 Gbps
Fiber TypeMulti-mode
MPO ConnectorHot-swappableMSA Compliant

Key Product Advantages

The AT-QSFPSR4 module provides a balance of high performance, reliability, and ease of integration for modern optical network upgrades.

High-Speed Connectivity

Delivers full 40 Gigabit Ethernet bandwidth, enabling efficient aggregation of server links, spine-leaf architectures, and storage network backbones without creating bottlenecks.

  • 40 Gbps aggregate throughput
  • Low-latency optical signaling
  • Minimizes power and CPU utilization per gigabit

Operational Flexibility

Hot-swappable design supports live insertion and removal, facilitating maintenance, upgrades, and reconfiguration without scheduled downtime.

  • Tool-free installation
  • Supports dynamic network changes
  • Reduces operational complexity

Deployment / Use Cases

This QSFP+ module is tailored for environments where high-bandwidth, short-reach optical connections are required. Its design addresses common scenarios in data-intensive networking.

In data center topologies, the module connects top-of-rack switches to aggregation or core switches using MPO-to-MPO trunk cables or MPO breakout harnesses. It is also effective for linking high-performance computing clusters, network-attached storage arrays, and virtualization hosts where 40GbE uplinks are standard.

Data Center Interconnect

Ideal for spine-leaf architectures, providing 40 Gbps links between leaf and spine switches over multi-mode fiber within a single data hall or between adjacent racks.

Enterprise Backbone

Suitable for building backbone networks, connecting distribution switches to core routers in campus environments where fiber infrastructure already exists.

[custom-highlights]

Highlights

  • 40 Gigabit Ethernet QSFP+ optical transceiver for high-speed data networking
  • Implements 40GBase-SR4 standard over multi-mode fiber optic cable
  • Single MPO connector interface supports parallel optics technology
  • Hot-swappable form factor enables tool-free installation and maintenance
  • MSA compliant for broad interoperability with QSFP+ switch and router ports
  • Optimized for short-reach optical links in data centers and enterprise networks
  • Supports durable performance with minimal signal loss over fiber
  • Environmentally friendly design and backed by a 1-year limited warranty
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerAllied Telesis, Inc
Manufacturer Part NumberAT-QSFPSR4
Brand NameAllied Telesis
Product ModelQSFPSR4
Product NameQSFP+ QSFPSR4 Module
Product TypeQSFP+
Technical Information
Application/UsageOptical Network,Data Networking
Interfaces/Ports
Total Number of Ports1
Connector TypeMPO
Interfaces/Ports Details1 x MPO 40GBase-SR4 Network
Media & Performance
Media Type SupportedOptical Fiber
Fiber Mode SupportedMulti-mode
Ethernet Technology40 Gigabit Ethernet
Network Technology40GBase-SR4
Physical Characteristics
Form FactorHot-swappable
Miscellaneous
CompatibilityMSA Compliant
Country of OriginChina
Environmentally FriendlyYes
Warranty
Limited Warranty1 Year
[/custom-specifications][custom-faq]

FAQ

What is the speed and technology of this QSFP+ module?

This Allied Telesis AT-QSFPSR4 module operates at 40 Gigabit Ethernet using the 40GBase-SR4 standard. It delivers an aggregate data rate of 40 Gbps by utilizing four parallel 10 Gbps lanes over multi-mode fiber, making it suitable for high-bandwidth network aggregation and backbone connections.

What type of connector and fiber does this module use?

The module features a single MPO connector, which is common for parallel optics applications in 40GbE. It is designed for use with multi-mode optical fiber, typically OM3 or OM4 grades, supporting short-reach distances appropriate for data center and campus deployments.

Is this transceiver hot-swappable and MSA compliant?

Yes, the AT-QSFPSR4 is hot-swappable, allowing for installation or replacement without powering down the networking equipment. It is also Multi-Source Agreement (MSA) compliant, ensuring interoperability with a wide range of QSFP+ ports from different vendors, which simplifies integration into existing network infrastructures.

What are typical use cases for this 40GBase-SR4 module?

This module is commonly deployed in data center spine-leaf architectures to connect leaf switches to spine switches, in high-performance computing clusters for fast interconnects, and in enterprise network backbones for aggregating traffic between distribution and core layers. It is ideal for environments requiring 40 Gbps optical links over multi-mode fiber within a building or campus.

Does this module support Digital Optical Monitoring (DOM)?

product details do not include details about Digital Optical Monitoring (DOM) or Digital Diagnostic Monitoring (DDM) support. For confirmation of real-time monitoring capabilities such as temperature, voltage, or optical power levels, refer to the manufacturer's datasheet or product documentation.

What warranty coverage is provided with this transceiver?

Allied Telesis backs this QSFP+ module with a 1-year limited warranty, covering defects in materials and workmanship under normal use. This warranty provides assurance of product reliability and support for the initial deployment period in your network environment.

[/custom-faq]
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Allied Telesis AT-QSFPSR4 QSFP+ Module - 40GBase-SR4 MPO Optical Fiber - Multi-mode Hot-swappable
MSRP: $1,851.99
$1,851.99
$1,467.99
Save: $384.00 (20.73%)
Out of stock