Fs.com QSFP-100G-LR4-S, 100GBASE-LR4 QSFP28 1310nm 10km SMF Transceiver Module

Network bottlenecks can cripple your data centre, especially when you need to move massive amounts of traffic over long distances. The Fs.com QSFP-100G-LR4-S, 100GBASE-LR4 QSFP28 1310nm 10km SMF Transceiver Module delivers reliable 100 Gbps connectivity across up to 10 km of single-mode fibre, giving you the speed and reach required for modern cloud, AI and high-performance computing workloads.

Fs.com QSFP-100G-LR4-S, 100GBASE-LR4 QSFP28 1310nm 10km SMF Transceiver Module - solving long-haul bandwidth challenges

You may be struggling with outdated optics that cannot keep up with the data rates demanded by your servers and switches. This shortfall leads to latency, packet loss and costly downtime. The Fs.com QSFP-100G-LR4-S, 100GBASE-LR4 QSFP28 1310nm 10km SMF Transceiver Module solves the problem by providing a Cisco-compatible, QSFP28 form factor that supports 103.125 Gbps aggregate throughput. Its 1310 nm wavelength and 10 km reach over SMF ensure you can extend your network without adding repeaters, while built-in CDR and DDM/DOM support keep the link stable and easy to monitor.

Usages

Ideal for high-speed backbone links, this transceiver can be deployed in:

• Data centre spine-to-leaf connections where 100 Gbps is required.
• Inter-building fibre links within campus networks.
• Cloud provider aggregation points handling multi-tenant traffic.
• High-performance computing clusters needing low-latency, long-reach links.
• Enterprise WAN extensions connecting remote sites over single-mode fibre.

Key Features

• Vendor Name: FS - reputable supplier of optical components.
• Form Factor: QSFP28 - fits modern 100 Gbps ports.
• Max. Data Rate: 103.125Gbps (4x 25.78Gbps) - delivers full 100 Gbps performance.
• Wavelength: 1310nm - optimal for long-reach SMF.
• Max. Cable Distance: 10km - extends network without repeaters.
• Connector: Duplex LC/UPC - standard, easy to install.
• Media: SMF - single-mode fibre for low loss.
• Transmitter Type: 4 x LAN WDM EML - high-quality laser source.
• Receiver Type: PIN - reliable detection.
• TX Power: -4.3~4.5dBm - strong output across the link.
• Minimum Receiver Power: -10.6dBm - sensitive enough for long runs.
• Power Budget: 6.3dB - sufficient margin for 10 km.
• Receiver Overload: 4.5dBm - protects against signal spikes.
• Max. Power Consumption: 3.5W - energy-efficient operation.
• Extinction Ratio: >4dB - clear signal distinction.
• DDM/DOM: Supported - real-time monitoring of temperature, voltage and optical power.
• Commercial Temperature Range: 0 to 70°C (32 to 158°F) - works in most data-centre environments.
• Modulation (Electrical): 4x 25G-NRZ - standard non-return-to-zero signalling.
• Modulation (Optical): 4x 25G-NRZ - matches electrical modulation.
• CDR (Clock and Data Recovery): TX & RX Built-in CDR - stabilises timing.
• Packaging Technology: BOX Packaging - protects the module during shipping.
• MTBF: 8,340,283 Hours - extremely reliable over years of service.
• Bit Error Ratio (BER): 1E-12 - ultra-low error rate for critical data.
• Protocols: QSFP28 MSA, SFF-8636, IEEE 802.3-2012, PSM4 MSA, CAUI-4 - broad compatibility with industry standards.

Specifications