50G QSFP28 PAM4 ER 1310nm 10km
- Adopts hot-pluggable QSFP28 package
- Full-duplex transceiver module
- DFB transmitter and PIN receiver
- Complies with IEEE 802.3cd, SFF-8636, SFF-8679, and QSFP28 MSA Ethernet standards
- Maximum power consumption less than 4.0W
- Built-in Digital Diagnostic Monitoring (DDM)
- Power supply voltage 3.3V
- RoHS compliant (lead-free)
- Class 1/1M product, compliant with IEC60825-1 requirements
- Meets Telcordia (Bellcore) GR-468-CORE reliability requirements
- Meets EMI and ESD requirements
Warranty : 30-Day Free Return, 3-Year Free Replacement, 5-Year Warranty, Lifetime After-sales Technical Support.
| Product Model | QSFP-50G-LR | Vendor Name | Walsun |
| Form Factor | QSFP28 | Data Rate | 53.2Gbps |
| Wavelength | 1310nm | Distance | 10km |
| Connector | LC Duplex | Cable Type | SMF |
| Transmitter Type | DFB | Detector Types | PIN |
| TX Power | -4~4.2dBm | Receiver Sensitivity | < -8.8dBm |
| Power Consumption | ≤4.0W | Operation Temperature | 0~70°C |
| DDM | Support | EMC | Support |
| Protocols | IEEE 802.3cd, SFF-8636, SFF-8679, QSFP28 MSA, CPRI, eCPRI | ||
Q: What are the differences between 50G QSFP28 optical modules and QSFP+ optical modules?
A: The primary difference lies in the data rate, with 50G and 40Gbps respectively, and the QSFP28 package being smaller than QSFP+, making it more suitable for high-density applications. QSFP28 also supports more advanced modulation techniques such as PAM4.
Q: PAM4 technology in 50G QSFP28 optical modules
A: PAM4 technology refers to Pulse Amplitude Modulation, which enables the transmission of four signal levels per clock cycle, thereby achieving higher data rates on a single channel, and is a pivotal technology for realizing 50Gbps speeds.
Q: Hot-pluggable feature of 50G QSFP28 optical modules
A: The hot-pluggable support allows for module replacement without system shutdown, enhancing maintenance flexibility and system availability.
Q: Digital diagnostic capabilities of 50G QSFP28 optical modules
A: Offers digital diagnostic functions via the I2C interface, monitoring parameters such as temperature, voltage, optical power, etc., facilitating remote fault detection.
Q: Application of 50G QSFP28 optical modules in data centers
A: Widely used in intra-data center connectivity, including leaf-spine architectures, storage networks, server connections, and cloud services, providing high-bandwidth and low-latency links.
Q: 50G QSFP28 optical modules and future trends
A: Moving towards even higher speeds such as 100G/200G/400G, with optimizations for energy efficiency, lower costs, smaller sizes, enhanced compatibility, and richer intelligent management functionalities.
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