Transceivers Type
QSFP-DD Optical Transceiver
Specifications
Dell Compatible 400GBASE-FR4 QSFP-DD Transceiver (SMF, 1310nm, 2km, LC, DDM, 0 to 70C)
Dell Compatible QDD-400G-FR4-S delivers a max link length of 2km over single-mode fiber (SMF) with a duplex LC connector. The 400GBASE-FR4 transceiver is designed with a QSFP-DD form factor, which provides the industry's highest bandwidth of 400 Gigabit Ethernet (400GbE). The total 400G signal is carried over four CWDM grid optical wavelengths with a data rate of 106.25Gbps (PAM4) per channel. On the transmitter side, the FR4 converts the 8 lanes of 50G PAM4 electrical signals into 4 channels of CWDM optical signals, then Multiplex them into a single 400G signal. On the receiver side, the module will demultiplex the 400G input signal into 4 lanes of CWDM optical signals and convert them into 8 channels of 50G PAM4 electrical signal as output.
The QSFP-DD 400G modules are compliant with IEEE 802.3bs for 400GBASE-FR4 specification and 100G Lambda MSA, and 400GAUI-8/CEI-56G-VSR-PAM4 standards. This 400G QSFP-DD FR4 module has wide adoption in data center interconnect (DCI), 400G Ethernet, Infiniband interconnects, enterprise networking, etc.
Model Contrast Table
| Part Number |
FT-QSFP-DD-SR4 |
FT-QSFP-DD-SR8 |
FT-QSFP-DD-DR4 |
FT-QSFP-DD-DR4+ |
FT-QSFP-DD-FR4 |
| Center Wavelength |
850nm |
850nm |
1310nm |
1310nm |
1310nm |
| Connector |
MTP/MPO-12 |
MTP/MPO-16 |
MTP/MPO-12 |
MTP/MPO-12 |
Duplex LC |
| Cable Distance (Max.) |
100m |
100m |
500m |
2km |
2km |
| Modulation |
PAM4 |
PAM4 |
PAM4 |
PAM4 |
PAM4 |
| Transmitter + Receiver Type |
VCSEL 850nm + PIN |
VCSEL 850nm + PIN |
EML + PIN |
EML + PIN |
CWDM EML + PIN |
| TX Power |
-4.6~4.0dBm |
-6.5~4.0dBm |
-2.9~4.0dBm |
-3.1~4.0dBm |
-3.2~3.5dBm |
| Receiver Sensitivity |
<-6.3dBm |
<-8.4dBm |
<-5.9dBm |
<-7.1dBm |
<-7.3dBm |
| Power Consumption |
≤8W |
≤12W |
≤12W |
≤12W |
≤12W |
| Temperature |
0 to 70°C (32 to 158°F) |
0 to 70°C (32 to 158°F) |
0 to 70°C (32 to 158°F) |
0 to 70°C (32 to 158°F) |
0 to 70°C (32 to 158°F) |
| Application |
Data Center |
Data Center 400G to 2x200G Breakout 400G to 8x50G Breakout |
Data Center 400G to 4x100G Breakout 800G to 2x400G Breakout |
Data Center 400G to 4x100G Breakout 800G to 2x400G Breakout |
Data Center 800G to 2x400G Breakout |
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.
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Power and Wavelength Testing
Test the signal delivering strength and wavelength, to ensure the signal decoding capacity of the receiver, and the wavelength remains consistent from the transmitter to the receiver.
Traffic Testing
Test the bit error rate and packet loss rate, to make them meet the corresponding standards and ensure the performance of transceivers.
Optical Performance Testing
Test the transceivers' eye diagram situation, receiving sensitivity, extinction ratio, wavelength, light-emitting, light-receiving, current and voltage, to ensure the signal quality, stability and reliability of the transmission.
End Face Testing
Check the end face of the transceivers and keep them clean for more stable data transmission, better performance, and durability.
Various Switch Tests
Every module is quality tested for compatibility in the multi-brand switches environment, guaranteeing flawless operations.