400G QSFP-DD LR4 10km
- Using hot-pluggable QSFP-DD package
- Full-duplex integrated transceiver module
- EML transmitter and PIN receiver
- Compliant with IEEE 802.3bs, SFF-8636, SFF-8679, and QSFP-DD MSA Ethernet standards
- Maximum power consumption less than 12W
- Built-in Digital Diagnostics Monitoring (DDM)
- Power supply voltage 3.3V
- Compliant with RoHS environmental standards (lead-free)
- Class 1/1M compliant product, meets 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 | QDD-400G-LR4 | Vendor Name | Fiberolink |
| Form Factor | QSFP-DD | Data Rate | 425Gbps |
| Wavelength | 1310nm | Distance | 10km |
| Connector | LC Duplex | Cable Type | SMF |
| Transmitter Type | EML | Detector Types | PIN |
| TX Power | -2.8~4dBm | Receiver Sensitivity | < -9.1dBm |
| Power Consumption | ≤12W | Operation Temperature | 0~70°C |
| DDM | Support | EMC | Support |
| Modulation | PAM4 | CDR | TX & RX with built-in CDR |
| Protocols | IEEE 802.3bs、SFF-8636、SFF-8679、 QSFP-DD MSA、CPRI, eCPRI | ||
Q: What is a 400G QSFP-DD optical module?
A: A 400G optical module refers to optical module products with a transmission rate of up to 400Gbps. Currently, the mainstream packaging types are QSFP-DD and OSFP. QSFP-DD is a high-speed optical module interface specification, an upgraded version of the QSFP interface, supporting high-speed transmission at 400Gbps. It uses optical fiber as the signal transmission medium, converting electrical signals into optical signals for transmission through the fiber.
Q: What are the common types of 400G QSFP-DD optical modules in the market?
A: Common types of 400G QSFP-DD optical modules in the market include QSFP-DD SR8, QSFP-DD DR4, QSFP-DD FR4, QSFP-DD FR8, QSFP-DD LR4, QSFP-DD LR8, and QSFP-DD ER8 optical modules.
Q: How do QSFP-DD and OSFP optical modules differ?
A: QSFP-DD has a smaller size, making it more suitable for data center applications and representing the mainstream development direction. OSFP, on the other hand, has a slightly larger form factor and higher power consumption, making it more suitable for telecom applications. Compared to OSFP, QSFP-DD interfaces provide four channels in a smaller form factor and double the port density. Currently, QSFP-DD’s excellent compatibility and perfect support for 400G make it the preferred choice in the market.
Q: What is the transmission distance of 400G QSFP-DD optical modules?
A: The transmission distance of 400G QSFP-DD optical modules depends on the type of fiber used and the specifications of the optical module. Generally, it can support transmission distances ranging from 100 meters to 40 kilometers.
Q: What is the maximum power consumption of 400G modules?
A: Fiberolink’s 400G modules have a maximum power consumption of approximately 14W, but there are also low-power modules available with power consumption around 12W.
Q: What interface types do 400G modules have?
A: The interface types include:
- Duplex LC interface, similar to modules like 100G-CWDM4 and 40G-LR4. LR4, ER4, ER8 modules use duplex LC interfaces.
- MPO12 interface (APC), similar to modules like 100G-SR4 and 100G-PSM4. 400G-DR4, XDR4, PLR4 modules use MPO12 interfaces.
- MPO16 interface (APC), used by 400G-FR4/400G-SR8 modules, which transmit through eight fibers and receive through another set of eight fibers, totaling 16 fibers for 400G transmission.
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