FeaturesQSFP28 MSA package with simplex LC connectorCompliant to 100G Lamda MSA 100G-ER1 Optical SpecificationsLane signaling rate 53.125GBd with PAM4High speed I/O electrical interfaceTwo Wire Serial Interface with Digital Diagnostic MonitoringOperating case temperature range 0C to +70CSupport KP4 FEC inside the module and KP4 FEC shutdownReaches up to 40km on SMFMaximum power consumption 4.5W3.3V power supply voltagecompliant to RoHS2.0Class 1 LaserApplications100 Gigabit EthernetData Center
USource 100G BiDi QSFP28 transceiver supports 100GBASE-BX throughput up to 10km, 20km, and 40km over single-mode fiber. This QSFP28 utilizes 1270nmTX/1310nmRX，1309nmTX/1304nmRX wavelength and simplex LC connector.These bidirectional QSFP28s must be paired with another transceiver or network device operating on a complementary wavelength. This 100G BiDi transceiver is suitable for fiber optic connectivity in data centers, high-performance computing networks, enterprise core and service provider applications.
| Part No. | Form | Data rate | Wavelength | Reach | Receptacle | Operating Temp |
| QSFP28-100G-BD10-A | QSFP28 | 100G | TX1271nm/RX1331nm | 10km | LC | 0 to 70 °C |
| QSFP28-100G-BD10-B | QSFP28 | 100G | TX1331nm/RX1271nm | 10km | LC | 0 to 70 °C |
| QSFP28-100G-BD20-A | QSFP28 | 100G | TX1271nm/RX1331nm | 20km | LC | 0 to 70 °C |
| QSFP28-100G-BD20-B | QSFP28 | 100G | TX1331nm/RX1271nm | 20km | LC | 0 to 70 °C |
| QSFP28-100G-BD40-A | QSFP28 | 100G | TX1304nm/RX1309nm | 40km | LC | 0 to 70 °C |
| QSFP28-100G-BD40-B | QSFP28 | 100G | TX1309nm/RX1304nm | 40km | LC | 0 to 70 °C |
has been concentrating on fiber optics industry since its foundation in 2006 year. for 12 years and is committed to full line of fiber optical products from optical sub-assmeblies to transceivers, and to sub-system; vertical integration from active components to passive modules that cover all of networking demands. USource owns two factory total area of 4,000 square meter and more than 200 employees, 4 marketing offices, forming a sales network covering more than 60 overseas countries and regions. Main factory specializes in optical active products, including optical components, modules and sub-system. Another factory focus on optical passive products, including fiber Multiplexer, fiber splitter and cable assemblies. USource fiber optics products and optical networking solution are widely used in Data Center, FTTX, Ethernet, Video Transmission, Metro Network, Base Station, etc.
