Upgrade Your Network One Site at a Time
Upgrade just one site to 400G gear, and still connect it to the existing 100G sites.
- Connect New 400G Sites to Legacy 100G Sites
- Full Utilize Your 400G Port Bandwidth
- Re-use 100G Optics in New 400G Ports

Juniper Networks QDD-400G-DR4 Compatible 400GBASE-DR4 QSFP-DD 8 x 50G PAM4 1310nm 500m MPO-12/APC SMF Transceiver Module, Product Specification:Juniper Compatible - QDD-400G-DR4 , Vendor Name - FS , Form Factor - QSFP-DD , Max Data Rate - 425Gbps (4x106.25Gb/s), Wavelength - 1310nm, Max. Cable Distance - 500m
| Juniper Compatible | QDD-400G-DR4 |
| Vendor Name | FS |
| Form Factor | QSFP-DD |
| Max Data Rate | 425Gbps (4x106.25Gb/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) | 8x50G-PAM4 |
| Modulation (Optical) | 4x100G-PAM4 |
| BER | 1E-12 |
| Inbuilt FEC | No |
| Core Size | G.652/9um |
| Packaging Technology | COB |
| Protocols | QSFP-DD MSA HW Rev 5.1, QSFP-DD CMIS Rev 5.0, IEEE 802.3bs<br/> |
| Warranty | 5 Years |
Upgrade just one site to 400G gear, and still connect it to the existing 100G sites.
The FS 400G QSFP-DD DR4 modules are tested on Junuper original devices to ensure the perfect blend of product performance and reliability. Including hardware compatibility (plugging, unplugging, rebooting), software compatibility (connectivity, parametres).
Every unit is quality tested for compatibility in the targeted switch environment, which guarantees flawless operations. Check compatibility with our <a href="/de-en/tool/compatibility-tool-h0026">Optics-to-Device Compatibility Tool</a>.<br/>
Qualified through a rigorous process with advanced equipments to ensure you get the high quality and reliable optics.
Reconfiguring the transceiver to work with different brands, <a href="/de-en/products/156801.html" >FS BOX</a> offers flexibility in stock costs.