NVIDIA MMS1V90-WR Compatible 400GBASE-LR4 QSFP-DD PAM4 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module


NVIDIA/Mellanox Ethernet MMS1V90-WR Compatible 400GBASE-LR4 QSFP-DD PAM4 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module; uses a high-quality EML Laser transmitter operating at 1271, 1291, 1311, 1331 nm nominal wavelength

The QSFPDD-400G-LR4 is a 400Gb/s Quad Small Form Factor Pluggable-double density (also name as QSFP56-DD) optical module designed for 10km optical communication applications. The module converts 8 channels of 50Gb/s (PAM4) electrical input data to 4 channels of CWDM optical signals, and multiplexes them into a single channel for 400Gb/s optical transmission. Reversely, on the receiver side, the module optically de-multiplexes a 400Gb/s optical input into 4 channels of CWDM optical signals and converts them to 8 channels of 50Gb/s (PAM4) electrical output data.

The central wavelengths of the 4 CWDM channels are 1271, 1291, 1311 and 1331 nm as members of the CWDM wavelength grid defined in ITU-T G.694.2. The QSFPDD-400G-LR4 contains a duplex LC connector for the optical interface and a 76-pin connector for the electrical interface. To minimize the optical dispersion in the long-haul system, single-mode fiber (SMF) has to be applied in this module. Host FEC is required to support up to 10km fiber transmission

The product is designed with form factor, optical/electrical connection and digital diagnostic interface according to the QSFP-DD Multi-Source Agreement (MSA) Type 2. It has been designed to meet the harshest external operating conditions including temperature, humidity and EMI interference.

Product Specifications

P/N QDD-400G-LR4 Vendor Name LightOptics
Form Factor QSFP-DD Max Data Rate 425Gbps
Wavelength 1271nm, 1291nm, 1311nm, 1331nm Max Distance 10km
Modulation Format PAM4 Host Required FEC
Connector Duplex LC Voltage Supply 3.3V
Cable Type SMF DDM Support Yes
Transmitter Type CWDM EML Receiver Type PIN
TX Power -3.3~+3.5dBm Receiver Sensitivity < -7.7dBm
Operation Temperature 0 to 70°C (32 to 158°F) Maximum Power < 10W
Protocols QSFP-DD MSA,
100G Lambda MSA 400G-LR4
Application 400G Ethernet, Data Center Interconnect, Infiniband Interconnects

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NVIDIA MMS1V90-WR Compatible 400GBASE-LR4 QSFP-DD PAM4 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module
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