400G-ER4 QSFP-DD PAM4 LWDM4 40km DOM Transceiver Module (SMF, LWDM4, 40km, LC, DOM)
The 400G QSFP-DD ER4 optical transceiver supports transmission distances of up to 40km over single-mode fiber (SMF) via a duplex LC connector. It is compliant with QSFP-DD MSA, IEEE 802.3bs, and 400GAUI-8 standards. The module transmits 400 Gigabit Ethernet signals over 4 LWDM optical wavelengths, with wavelength multiplexing and demultiplexing integrated within the transceiver.
| Part Number | QDD-400G-ER4 | Vendor Name | Connlight |
| Form Factor | QSFP-DD | Max Data Rate | 400Gbps |
| Wavelength | 1295.56nm, 1300.05nm, 1304.58nm, 1309.14nm | Max Cable Distance | 40km |
| Connector | LC Duplex | Modulation Format | PAM4 |
| Transmitter Type | EML LWDM | Receiver Type | APD |
| Electric Signal | 8x50G | Optical Signal | 4x100G |
| Media | SMF | DDM/DOM | Supported |
| TX Power | +1.5~+7.1dBm | Minimum Receiver Power | -16.2dBm |
| Power Consumption | <12W | Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| Protocols | QSFP-DD MSA Compliant | Application | 400GBASE Ethernet |
Quality Assurance
Excellent quality is the foundation of Connlight’ s survival and development. Our operation team are experts with many years’ experiences in optical communication industry. Our manufacturers are first-class manufacturers in the industry. Many of them have the qualification of OEM for first-class system equipment manufacturers.
Quality Certification
We control the quality of our products, including our strict qualification of manufacturers, quality control process and production technology, and compliance with certification and safety standards. At present, our products meet the industry standards and mainstream quality certification, such as ISO 9001, CE, RoHS, FCC, etc.
Comprehensive Testing
Every module is qualified through rigorous procedures and advanced equipment to ensure high-quality and reliable optical devices for you.
