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FS.com QSFP-LR4-40G transceiver with blue pull-tab and LC/UPC ports
FS.com QSFP-LR4-40G transceiver with blue pull-tab and LC/UPC ports
Top view of QSFP-LR4-40G 40GBASE-LR4 module showing label and gold contacts
Rear view of FS.com QSFP-LR4-40G highlighting the metal housing and connector
Fs.com QSFP-LR4-40G transceiver angled view showing gold edge connector and red LR4 label

Fs.com QSFP-LR4-40G, 40GBASE-LR4 QSFP+ 1310nm 10km Duplex LC/UPC SMF Transceiver


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Product Code: OPTT-077

MPN #: QSFP-LR4-40G

Network bottlenecks can cripple your data centre, especially when you need to move massive files over long distances without latency spikes. The Fs.com QSFP-LR4-40G, 40GBASE-LR4 QSFP+ 1310nm 10km Duplex LC/UPC SMF Transceiver delivers reliable 40 Gbps connectivity over up to 10 km of single-mode fibre, ensuring your high-speed applications stay online and perform at peak efficiency.

Fs.com QSFP-LR4-40G, 40GBASE-LR4 QSFP+ 1310nm 10km Duplex LC/UPC SMF Transceiver - solving long-haul bandwidth challenges

When your network must span campus-wide or inter-building links, signal loss and incompatibility become major concerns. This transceiver tackles those issues head-on by offering a dedicated 1310 nm wavelength that maintains strong signal integrity over 10 km of SMF. It fits seamlessly into QSFP+ slots, supporting a range of protocols such as 40G Ethernet and Fibre Channel, so you can upgrade your infrastructure without replacing existing hardware.

Usages of Fs.com QSFP-LR4-40G, 40GBASE-LR4 QSFP+ 1310nm 10km Duplex LC/UPC SMF Transceiver

Ideal for extending high-speed links in modern data environments:

  • Campus networks connecting multiple buildings
  • Inter-rack connections in large data centres
  • Storage area networks requiring 40 Gbps Fibre Channel
  • High-performance computing clusters with 40G Ethernet
  • Telemetry links for remote monitoring stations

 

Key Features of Fs.com QSFP-LR4-40G, 40GBASE-LR4 QSFP+ 1310nm 10km Duplex LC/UPC SMF Transceiver
  • FS Compatible: QSFP-40GE-LR4 - ensures full compatibility with FS product lines.
  • Vendor Name: FS - trusted manufacturer with a reputation for quality.
  • Form Factor: QSFP+ - fits standard 40 Gbps ports.
  • Max. Data Rate: 44.6Gbps (4x 11.2Gbps) - delivers ample bandwidth for demanding applications.
  • Wavelength: 1310nm - optimised for long-reach single-mode fibre.
  • Max. Transmission Distance: 10km - covers extensive campus or inter-building runs.
  • Connector: Duplex LC - reliable, industry-standard interface.
  • Media: SMF - single-mode fibre for low attenuation.
  • Transmitter Type: DFB CWDM - provides stable, narrow-linewidth output.
  • Receiver Type: PIN - offers high sensitivity and low noise.
  • TX Power: -7~2.3dBm - flexible output power for varied link budgets.
  • Receiver Sensitivity: < -11dBm - detects weak signals reliably.
  • Power Budget: 4dB - sufficient margin for long distances.
  • Receiver Overload: 2.3dBm - protects against excessive input power.
  • Max. Power Consumption: ≤3.5W - energy-efficient operation.
  • Core Size: 9um - high-performance laser cavity.
  • Extinction Ratio: >3.5dB - clear signal distinction.
  • Modulation: NRZ - simple, robust data encoding.
  • Host FEC: Supported - error correction for improved reliability.
  • Bit Error Ratio (BER): 1E-12 - ultra-low error rate.
  • Operating Temperature: 0 to 70°C (32 to 158°F) - works in diverse environments.
  • Protocols: OTN OTU3, 40G Ethernet, Fibre Channel, SATA/SAS3, MSA Compliant - versatile protocol support.

 

Benefits of Fs.com QSFP-LR4-40G, 40GBASE-LR4 QSFP+ 1310nm 10km Duplex LC/UPC SMF Transceiver

You gain a future-proof solution that extends 40 Gbps links up to 10 km, eliminating the need for costly repeaters. The low power draw reduces your rack’s energy budget while maintaining high performance. Robust error-correction and a BER of 1E-12 keep data integrity intact, even over long distances. Compatibility with multiple protocols means you can consolidate network equipment, simplifying management and lowering total cost of ownership. Finally, the durable LC connector and wide operating temperature range ensure reliable operation in demanding data-centre or campus environments.

 

Specifications
FS Compatible QSFP-40GE-LR4
Vendor Name FS
Form Factor QSFP+
Max. Data Rate 44.6Gbps (4x 11.2Gbps)
Wavelength 1310nm
Max. Transmission Distance 10km
Connector Duplex LC
Media SMF
Transimitter Type DFB CWDM
Receiver Type PIN
TX Power -7~2.3dBm
Receiver Sensitivity <-11dBm
Power Budget 4dB
Receiver Overload 2.3dBm
Max. Power Consumption ≤3.5W
Core Size 9um
Extinction Ratio >3.5dB
Modulation NRZ
Host FEC Supported
Bit Error Ratio (BER) 1E-12
Operating Temperature 0 to 70°C (32 to 158°F)
Protocols OTN OTU3, 40G Ethernet, Fiber Channel, SATA/SAS3, MSA Compliant

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