Q28-100GFR-BCC | Dell Compatible 100G Single-Mode 2km (100GBASE-FR)

The Q28-100GFR-BCC is a drop-in compatible replacement for the Dell Q28-100GFR. This single-lambda QSFP28 transceiver delivers plug-and-play 100 Gigabit Ethernet connectivity over single-mode fibre using PAM4 modulation, ideal for data centre interconnects and enterprise network cores. - IEEE 802.3cd 100GBASE-FR and 100G Lambda MSA compliance ensures interoperability with standards-based equipment - QSFP28 form factor, 100 Gigabit Ethernet, 1310nm wavelength, 2km reach over single-mode fibre, duplex LC connector - Single wavelength at 1310nm using PAM4 modulation converts 4x25G NRZ electrical signals to 1x100G optical signal - Digital diagnostic monitoring (DDM) support provides real-time access to temperature, transmit/receive power, and supply voltage - Hot-swappable design enables field installation and maintenance without network downtime - Requires Forward Error Correction (FEC) enabled on host equipment for optimal link reliability

• IEEE 802.3cd 100GBASE-FR compliance guarantees interoperability with MSA-compliant 100G ports across vendor platforms, using single-lambda architecture that simplifies 400G-to-100G breakout scenarios without sacrificing bandwidth per port
• PAM4 modulation at 50 Gbaud on a single 1310nm wavelength achieves 100 Gbps throughput over standard G.652 single-mode fibre, eliminating the wavelength multiplexing complexity of LR4 while maintaining 2km reach with 4 dB link budget
• Electrical interface presents 4x 25.78 Gbps NRZ lanes compliant with OIF CEI-28G-VSR, with onboard DSP-based gearbox and Broadcom chipset converting to single-lane 100G PAM4 optical signal via cooled EML laser transmitter
• Requires Forward Error Correction (FEC) on host platform to meet bit error rate targets; module integrates FEC-aware logic to ensure compatibility with IEEE 802.3cd FEC requirements for 100GBASE-FR links
• Hot-swappable QSFP28 footprint supports tool-free insertion and removal during live operation, with duplex LC connector enabling straightforward fibre termination using standard single-mode patch cables
• Digital diagnostic monitoring (DDM) via I2C interface exposes real-time optical parameters including laser temperature, bias current, transmit power, receive power, and supply voltage per QSFP28 MSA specification

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