100G-LR Single Lambda QSFP28 10km Transceiver: 100G-QSFP28-SL10

The EDGEOPTIC 100G-QSFP28-SL10 is a multi-vendor compatible 100GBASE-LR single lambda QSFP28 optical transceiver designed for 100 Gigabit Ethernet applications over single-mode fiber. Compliant with IEEE 802.3cu and the 100G Lambda MSA, this module utilizes PAM4 (Pulse Amplitude Modulation 4-level) encoding on a single optical lane at 106.25 Gbps for metro network interconnects and extended-reach campus deployments.

The 100G-QSFP28-SL10 operates in the 1304.5-1317.5nm wavelength range using single lambda PAM4 modulation, replacing NRZ-based 4×25G 100GBASE-LR4 architectures. The 100GBASE-LR QSFP28 transceiver uses an EML (Electro-absorption Modulated Laser) transmitter and PIN photodiode receiver, with integrated CDR (Clock and Data Recovery) circuitry to maintain signal integrity at PAM4 data rates. This single-lane architecture delivers 100G capacity over a standard duplex fiber pair, eliminating the wavelength multiplexing components required by LR4 solutions.

The 100GBASE-LR transceiver provides a 6.3 dB optical link budget, supporting transmission distances up to 10km over standard single-mode fiber with FEC enabled. Maximum reach depends on actual fiber plant attenuation, splice losses, and connector insertion losses across the link. At typical installed fiber attenuation of 0.35 dB/km at 1310nm, the 6.3 dB budget accommodates 10km of fiber with margin for connectors and aging. The single lambda LR specification has equivalent reach to 100GBASE-LR4 while reducing optical component count.

100G-QSFP28-SL10 compatible 100G-LR module is a hot-pluggable QSFP28 with dual LC/UPC connectors as the optical interface. The electrical interface conforms to SFF-8636 and SFF-8665 MSA (Multi-Source Agreement) specifications, ensuring compatibility with standard QSFP28 host systems supporting multiple vendor equipment platforms. Our 100G-LR QSFP28 transceiver can be encoded to be compatible and successfully operate in different 80+ brands of equipment.

The module incorporates DDM/DOM (Digital Diagnostic Monitoring) functionality providing real-time information including transmitted and received optical power levels, module temperature, bias current, and supply voltage. The module features Built-in FEC (Forward Error Correction) which is essential for PAM4 modulation to detect and correct bit errors, ensuring reliable transmission across the full 10km reach. The module operates within a 0 to 70°C temperature range with maximum power consumption of 4.5W, with appropriate thermal considerations for sustained operation in controlled data center environments.

Standards compliance includes 100G Lambda MSA and QSFP28 MSA specifications. The transceiver achieves multi-vendor interoperability through adherence to industry MSA standards, though equipment with vendor-specific module validation may require custom EEPROM programming for compatibility. Our 100G-LR QSFP28 transceiver is CE/RoHS certified, Class 1 FDA and IEC60825-1 Laser Safety Compliant.

Typical applications include data center site interconnections, metro network connections, Internet Service Provider aggregation networks, and enterprise campus backbone deployments. The single lambda PAM4 design offers a simplified alternative to traditional 4-wavelength LR4 solutions while providing equivalent reach capability with reduced optical component complexity.

Because our focus is providing top quality service, we are performing serious quality checks before delivery of our products. As a result, we do optical parameter measurements, connector cleanliness tests and QSFP28 transceiver EEPROM memory data validation tests.