MSA Compliant 40 Gigabit Fiber QSFP+ Transceiver
Module - 40GBase-LR4 - SM LC - 10 km
Product ID: QSFP40LR4ST
This 40GBase-LR4 QSFP+ module delivers what you need most in your network connections: reliable
performance. It’s built to exacting MSA specifications and fully tested to ensure seamless compatibility.
The single-mode QSFP+ transceiver module offers a cost-effective way to add, replace or upgrade the
ports on your networking equipment, and it’s backed by a lifetime warranty.
Delivers 40 Gigabit Ethernet connections
With data transfer rates of up to 40Gbps and support for Digital Diagnostics Monitoring (DDM / DOM), this
QSFP+ module can be installed into fiber networking equipment with an MSA compliant port, using an LC
connector. It delivers dependable 40 Gigabit connectivity over single-mode fiber for 40GBase-LR4
compliant networks, with a maximum distance of up to 10 km (6.2 mi.) and 1270 nm to 1330 nm optical
wavelength.
www.startech.com
1 800 265 1844
Built for reliable network performance
This optical transceiver is engineered to meet or exceed the industry’s MSA (Multi-Source Agreement)
standards. StarTech.com brings its established reputation for high-quality connectivity solutions to SFP
transceivers, providing SFPs that match major OEM brands in performance and reliability. Committed to
the highest standards, StarTech.com provides an extensive range of networking products including copper
and fiber network cards, fiber media converters, Ethernet switches and wireless products.
Convenient and scalable
Delivering both convenience and scalability, this fiber transceiver is fully hot-pluggable, which enables you
to install it without interrupting network traffic or having to reboot your equipment. It provides a versatile
solution that’s compatible with a wide range of networking equipment, allowing you to expand your
network to remote segments cost-effectively.
You can count on QSFP40LR4ST for reliable performance, backed by a lifetime warranty and free lifetime
technical support.
www.startech.com
1 800 265 1844
Certifications, Reports
and Compatibility
Applications
• Replace defective or damaged QSFP+ modules in MSA compliant
equipment
• Ideal for deployment in network devices with multiple QSFP+ slots
• Expand your network to remote segments
Features
• Delivers reliable 40 Gigabit connections for 40GBase-LR4 compliant
networks
• Meets or exceeds MSA (Multi-Source Agreement) industry standards
• Backed by lifetime warranty and free lifetime technical support
• Supports single-mode fiber (LC connector)
• Maximum distance up to 10 km/6.2 mi.
• Maximum data rates up to 40Gbps
• 1270 nm - 1330 nm optical wavelength
• Digital Diagnostics Monitoring (DDM/DOM)
• Hot-pluggable
www.startech.com
1 800 265 1844
Warranty Lifetime
Hardware Industry Standards IEEE 802.3ba 40GBASE-LR4
Performance Compatible Networks 40 Gbps
DDM Yes
Fiber Operating Mode Full-Duplex
Fiber Type Single Mode
Max Transfer Distance 10 km (6.2 mi)
Maximum Data Transfer Rate 40 Gbps
MTBF 1,489,426 hours
Wavelength 1270nm to 1330nm
Connector(s) Local Unit Connectors 1 - Fiber Optic LC Duplex Female
Environmental Humidity 5~95% RH
Operating Temperature 0°C to 70°C (32°F to 158°F)
Storage Temperature -40°C to 85°C (-40°F to 185°F)
Physical
Characteristics
Color Silver
Enclosure Type Aluminum
Product Height 0.3 in [8.5 mm]
Product Length 2.8 in [72 mm]
Product Weight 1.4 oz [40 g]
Product Width 0.7 in [18.4 mm]
Packaging
Information
Shipping (Package) Weight 2.1 oz [60 g]
What's in the Box Included in Package 1 - QSFP+ transceiver
Product appearance and specifications are subject to change without notice.
www.startech.com
1 800 265 1844
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