The 400GBASE-DR4 module, MTP/MPO-12 connector, up to 500m over parallel single-mode fiber. It is compliant with QSFP-DD MSA, IEEE 802.3bs protocol and 400GAUI-8 standards.
The 400 Gigabit Ethernet signal is carried over four parallel lanes by one wavelength per lane. It can be used as 4x100G breakout to QSFP-DR-100G. It is a cost-effective and lower power consumption solution for 400GBASE data center.

Part Number: QDD-400G-DR4-S
Cisco QDD-400G-DR4-S Compatible 400GBASE-DR4 QSFP-DD PAM4 Transceiver Module (SMF, 1310nm, 500m, MTP/MPO, DOM)
Specifications
| Cisco Compatible | QDD-400G-DR4-S | Vendor Name | F-tone |
|---|---|---|---|
| Form Factor | QSFP-DD | Max Data Rate | 425Gbps (4×106.25Gb/s) |
| Wavelength | 1310nm | Max. Cable Distance | 500m |
| Connector | MPO-12/APC | Media | SMF |
| Modulation Format | PAM4 | Receiver Type | PIN |
| TX Power | -2.9~4.0dBm | Minimum Receiver Power | -5.9dBm |
| Power Budget | 3dB | Receiver Overload | 4.0dBm |
| Max. Power Consumption | 9W | Extinction Ratio | 3.5dB |
| DDM/DOM | Supported | Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| Modulation (Electrical) | 8×50G-PAM4 | Modulation (Optical) | 4×100G-PAM4 |
| BER | 1E-12 | Inbuilt FEC | No |
| Core Size | G.652/9um | Packaging Technology | COB |
| MTBF | 4928939 Hours (@40°C, 60%CL)
|
Application | 400G Ethernet |
| Protocols | QSFP-DD MSA HW Rev 5.1, QSFP-DD CMIS Rev 5.0, IEEE 802.3bs | Warranty | 5 Years |
This product belongs to F-tone Networks' optical components product line. For detailed specifications, please contact our sales team. Thank you!
Important Notice:
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.
