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400G QSFP112 DR4 PAM4 1310nm 500m MTP/MPO-12 with KP4 FEC Optical Transceiver

400G QSFP112 DR4 PAM4 1310nm 500m MTP/MPO-12 with KP4 FEC Optical Transceiver

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Part Number: QSFP112-400G-DR4-FM

400G QSFP112 DR4 PAM4 Optical Transceiver Module (1310nm MTP/MPO12 SMF 500m with KP4 FEC DDM)

F-tone QSFP112 4x100Gbps transceiver module is designed for 400G Ethernet links over 500m of single-mode fiber. The module contains 4 parallel channels at a center wavelength of 1310nm, each operating at 106.25G. On the receiver path, 4 photodiodes and a 4-channel TIA array are used, along with PAM4 re-timers.

Product Details

F-tone P/N QSFP112-400G-DR4 Vendor Name F-tone
Form Factor QSFP112 Max Data Rate 425Gbps
Wavelength 1310nm Max Distance 500m
Modulation Format PAM4 Host Required FEC
Connector MTP/MPO-12 Voltage Supply 3.3V
Cable Type SMF DDM Support ?Yes
Transmitter Type 1310nm EML Receiver Type ?PIN
TX Power -2.9~+4.0dBm Receiver Sensitivity <>
Operation Temperature ?0 to 70~C (32 to 158~F) Maximum Power <>
Protocols QSFP112 MSA, IEEE 802.3bs Application 400G Ethernet, Data Center Interconnect, Infiniband Interconnects


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.

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.

Power and Wavelength Testing

Traffic Testing

Test the bit error rate and packet loss rate, to make them meet the corresponding standards and ensure the performance of transceivers.

Traffic Testing

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.

Optical Performance Testing

End Face Testing

Check the end face of the transceivers and keep them clean for more stable data transmission, better performance, and durability.

End Face Testing

Various Switch Tests

Every module is quality tested for compatibility in the multi-brand switches environment, guaranteeing flawless operations.

Various Switch Tests

About F-tone Networks

F-tone Networks is now a world leader in development of optical transceivers and provide a wide range of high-speed optical solutions for optical communication networking, especially for AI, Data Center, enterprise data networking, Industry, aerospace, mining, shipbuilding, railway, metro, long haul transport networking, and mobile access networking applications
F-tone Networks invested in foundational photonics technologies and extensive product development and engineering with global presence in many area also.