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The LINK-PP LQ-BL8591100SR2C is a high-performance 100G QSFP28 BiDi optical transceiver module designed for short-reach multi-mode fiber networks. Operating with 850nm and 910nm dual wavelengths over duplex LC patch cords, this hot-pluggable optical transceiver integrates internal KP4 FEC circuits, complies with IEEE 802.3cm-2020 and QSFP28 MSA standards, and consumes under 4W of power.
| LINK-PP Part Number | LQ-BL8591100SR2C | Vendor Name | LINK-PP |
| Form Factor | QSFP28 | Max Data Rate | 103.125 Gbps |
| Wavelength | 850nm-TX/910nm-RX | Max Cable Distance | 70m@OM3/100m@OM4 |
| Connector | Duplex LC | Media | MMF |
| Transmitter Type | VCSEL | Receiver Type | PIN |
| DDM/DOM | Supported | Operating Temperature Range | 0°C to +70°C |
| Modulation (Electrical) | 4x 25G-NRZ | Modulation (Optical) | 2x 50G-PAM4 |
| Protocols | QSFP28 MSA and IEEE 802.3bm CAUI-4 | Warranty | 5 Years |
The LINK-PP LQ-BL8591100SR2C optical transceiver module features a 2x50G PAM4 optical architecture converting 4x25G NRZ host electrical inputs seamlessly. It delivers bi-directional 100Gbps bandwidth, energy-efficient power consumption below 4W, built-in digital optical monitoring, and hot-pluggable QSFP28 form factor compatibility across enterprise networks.
Engineered for 100G Ethernet applications, the LINK-PP LQ-BL8591100SR2C optical module utilizes advanced VCSEL transmitters and PIN photodetectors to deliver dependable 100Gbps transmission with robust PAM4 modulation and minimal signal distortion across high-speed data communications.
The LQ-BL8591100SR2C optical transceiver provides scalable 100G connectivity for enterprise campus networks and core-to-distribution layers. It enables high-bandwidth aggregation across core switches and servers without overhauling existing duplex multimode optical cabling plants.
Featuring dual-wavelength bidirectional transmission, the LQ-BL8591100SR2C transceiver uses 850nm and 910nm channels to transmit and receive simultaneously on a single strand, doubling aggregate fiber bandwidth efficiency in modern high-density optical links.
The LQ-BL8591100SR2C transceiver supports reach distances up to 70 meters over OM3 multimode fiber and 100 meters over OM4 multimode fiber, making it ideal for intra-datacenter interconnects and rack-to-rack computing architectures.
Equipped with a standard duplex LC optical connector, the LQ-BL8591100SR2C transceiver enables straightforward 100G migration using existing 10G and 40G duplex LC multimode fiber infrastructure, significantly reducing datacenter upgrade cabling costs.
With integrated Digital Optical Monitoring (DOM) accessible via the I2C interface, the LQ-BL8591100SR2C transceiver allows real-time tracking of operating temperature, supply voltage, laser bias current, and optical transmit/receive power levels.
The LINK-PP LQ-BL8591100SR2C 100G QSFP28 transceiver satisfies strict international compliance standards, featuring CE, FCC, UKCA, UL, REACH, and RoHS certifications to guarantee safe, eco-friendly, and ultra-reliable enterprise network deployment.
Every LQ-BL8591100SR2C optical module undergoes rigorous multi-stage quality assurance testing, validating spectral purity, signal integrity, transmission latency, and thermal resilience under heavy network traffic conditions.
Certified under globally recognized safety and environmental directives including CE, FCC, UL, and RoHS, the LQ-BL8591100SR2C ensures exceptional manufacturing consistency, electromagnetic safety, and compliant green telecommunication operations.
The LQ-BL8591100SR2C optical module undergoes exhaustive inter-vendor interoperability tests on major switch and router platforms, ensuring seamless plug-and-play host-device compatibility and error-free network transmission.
LINK-PP subjects each QSFP28 module to end-to-end parametric testing, ensuring rock-solid stability and zero-packet-drop performance across complex high-density datacenters.
Laser spectrum testing verifies central wavelengths at 850nm and 910nm, ensuring minimal chromatic dispersion.
Comprehensive PAM4 optical eye diagram evaluation confirms optimal signal-to-noise ratio and clean eye opening.
Pre-FEC and post-FEC BER verification guarantees flawless, error-free 100G data transmission under full payload.
Thermal stress testing from 0°C to 70°C ensures reliable commercial-grade case temperature operational stability.
LINK-PP delivers the LQ-BL8591100SR2C 100G QSFP28 optical module with industry-grade protective packaging and expedited global shipping channels worldwide.
Custom ESD-safe clamshell packaging prevents electrostatic discharge damage during handling and transport.
Durable cushioned outer cartons absorb mechanical vibrations and impact during transit.
Optimized warehouse inventory management ensures same-day dispatch for urgent transceiver deployments.
Reliable worldwide express courier partnerships ensure prompt, tracked international delivery directly to your door.
Installing the LINK-PP LQ-BL8591100SR2C 100G QSFP28 transceiver is straightforward: insert the hot-pluggable module firmly into the switch QSFP28 port until latched, connect a standard duplex LC multimode patch cord, and verify link activity via DDM diagnostics.
LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.
Professional technical guidance to help customers select the most suitable LQ-BL8591100SR2C modules based on network architecture and application requirements.
Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.
Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.
Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.
LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.
15-day no-reason return and refund
Free replacement for dead-on-arrival (DOA) or defective items within the initial period
Free repair services for manufacturing defects throughout the warranty period
Warranty exclusions and conditions apply
Compatible | LINK-PP | LINK-PP | LINK-PP | LINK-PP |
Data Rate (Max) | 103.125 Gbps | 103.125Gbps (4x 25.78Gbps) | 103.125Gbps | 103.125Gbps |
Wavelength | 850nm-TX/910nm-RX | 1271nm, 1291nm, 1311nm and 1331nm | 1295.56nm, 1300.05nm, 1304.58nm, 1309.14nm | 1294.53nm, 1299.02nm, 1303.54nm and 1308.09nm |
Connector | Duplex LC | Duplex LC | Duplex LC | Duplex LC |
Cable Distance (Max) | 70m | 10km | 100km | 80km |
Cable Type | MMF | SMF | SMF | SMF |
Operating Temperature | 0°C to +70°C | 0°C to +70°C | 0°C to +70°C | -40°C to +85°C |
Form Factor | QSFP28 | QSFP28 | QSFP28 | QSFP28 |
Transmitter Type | VCSEL | DFB | EML | LAN WDM EML |
Receiver Type | PIN | PIN | PIN | SOA+PIN |
DDM/DOM | Supported | Supported | Supported | Supported |
Modulation (Electrical) | 4x 25G-NRZ | 4x 25G-NRZ | 4x 25G-NRZ | 4x 25G-NRZ |
Modulation (Optical) | 2x 50G-PAM4 | 4x 25G-NRZ | 4x 25G-NRZ | 4x 25G-NRZ |
Protocols | QSFP28 MSA and IEEE 802.3bm CAUI-4 | QSFP28 MSA Compliant | QSFP28 MSA, IEEE 802.3, RoHS 10, SFF-8636 | IEEE 802.3ba, QSFP28 MSA |
Warranty | 5 Years | 5 Years | 5 Years | 5 Years |
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