Shipping included*
Exclusions
Additional shipping fees may apply in rare circumstances for deliveries outside standard service areas. In most cases, this only potentially affects shipments to the Northwest Territories and Yukon, as well as certain heavy or oversized items.
Allied Telesis AT-QSFPSR4 QSFP+ Module - 40GBase-SR4 MPO Optical Fiber - Multi-mode Hot-swappable
Business volume discounts
Technical guidance
Preparation & staging
QC · ON · AB · BC
Product Features
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.
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.
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
Specifications
| Specifications | |
|---|---|
| Manufacturer | Allied Telesis, Inc |
| Manufacturer Part Number | AT-QSFPSR4 |
| Brand Name | Allied Telesis |
| Product Model | QSFPSR4 |
| Product Name | QSFP+ QSFPSR4 Module |
| Product Type | QSFP+ |
| Technical Information | |
| Application/Usage | Optical Network,Data Networking |
| Interfaces/Ports | |
| Total Number of Ports | 1 |
| Connector Type | MPO |
| Interfaces/Ports Details | 1 x MPO 40GBase-SR4 Network |
| Media & Performance | |
| Media Type Supported | Optical Fiber |
| Fiber Mode Supported | Multi-mode |
| Ethernet Technology | 40 Gigabit Ethernet |
| Network Technology | 40GBase-SR4 |
| Physical Characteristics | |
| Form Factor | Hot-swappable |
| Miscellaneous | |
| Compatibility | MSA Compliant |
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Warranty | |
| Limited Warranty | 1 Year |
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.