Transceivers Type
QSFP-DD Optical Transceiver
Specifications
Dell Compatible 400GBASE-ER8 400G QSFP-DD-ER8 PAM4 1310nm 40km DOM Optical Transceiver Module (SMF, 1310nm, 40km, LC Connector, DOM)
The Dell 400GBASE-ER8 compatible optical transceiver module is designed with duplex LC connectors, reaching a link up to 40km over a standard pair of G.652 single-mode fiber(OS2). F-tone manufactured 400GBASE-ER8 QSFP-DD transceiver module is compliant with IEEE 802.3cn protocol and 400GAUI-8, QSFP-DD HW Rev 5.0 and QSFP-DD CMIS Rev 4.0 standard. Besides, 400G ER8 is designed based on PAM4 (Pulse Amplitude Modulation 4-level) modulation technology, DSP (Digital Signal Processing) chip, and QSFP-DD form factor. With these features, this 400G QSFP-DD transceiver is widely applied in 400G telecom connections, DCI, metro network, long-haul, and high-performance computing networks application.
Model Contrast Table
| Part Number |
FT-QSFP-DD-FR4 |
FT-QSFP-DD-LR4 |
FT-QSFP-DD-PLR4 |
FT-QSFP-DD-LR8 |
FT-QSFP-DD-ER8 |
| Center Wavelength |
1310nm |
1310nm |
1310nm |
1310nm |
1310nm |
| Connector |
Duplex LC |
Duplex LC |
MTP/MPO-12 |
Duplex LC |
Duplex LC |
| Cable Distance (Max.) |
2km |
10km |
10km |
10km |
40km |
| Modulation |
PAM4 |
PAM4 |
PAM4 |
PAM4 |
PAM4 |
| Transmitter + Receiver Type |
CWDM EML + PIN |
CWDM EML + PIN |
EML + PIN |
LWDM EML + PIN |
LWDM EML + APD |
| TX Power |
-3.2~3.5dBm |
-2.7~1.5dBm |
-1.9~4.8dBm |
-2.8~5.3dBm |
-0.6~5.6dBm |
| Receiver Sensitivity |
<-7.3dBm |
<-9.0dBm |
<-8.2dBm |
<-9.1dBm |
<-16.1dBm (SECQ–17.5dBm) |
| Power Consumption |
≤12W |
≤12W |
≤12W |
≤13W |
≤15.4W |
| Temperature |
0 to 70°C (32 to 158°F) |
0℃ to 70℃ |
0℃ to 70℃ |
0℃ to 70℃ |
0℃ to 70℃ |
| Application |
Data Center 800G to 2x400G Breakout |
Data Center |
Data Center 400G to 4x100G Breakout |
Data Center |
Data Center |
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.