400G QSFP-DD SR8

400G QSFP-DD SR8 optical transceiver module offers MMF connections up to 100m via MTP/MPO-16 connectors. With eight 50G PAM4-coded channels, it achieves a 400G data rate. Compatible with IEEE 802.3bs and 400GAUI-8/CEI-56G-VSR-PAM4 standards, it integrates wavelength multiplexing/demultiplexing for smooth 400G server-to-switch transmission.

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Product Highlight

QSFP-DD MSA compliant
Electrical interface compliant with 400GAUI-8 and CEI-56G-VSR-PAM4
Bi-directional operation: 8 x Tx, and 8 x Rx at 53.125Gb/s with 26.5625G PAM4 modulation scheme
Built in DSP
Enabled by 850nm VCSEL
MTP/MPO-16 connector
Power consumption 9.5W per end
Transmission distance up to 100m with OM3 fiber

Application

Switch & Router Connections
400Gb Ethernet interconnect
High performance computing

Specification

P/N	Rate	Wavelength	TX Laser	RX Laser	Distance	Output Power	Sensitivity	Interface	Temperature
FX-QDD-400GE-SR8	425G	850	VCSEL	PIN	100m	-6.5~4 dBm	≤-7.9 dBm	MPO-16	0 ~ 70 °C
FX-QDD-400GE-DR4	425G	1310	EML	PIN	500m	-2.4~4 dBm	≤-6.4 dBm	MPO-12	0 ~ 70 °C
FX-QDD-400GE-FR4	425G	1310	EML	PIN	2km	-3.3~3.5 dBm	≤-7.3 dBm	LC DX	0 ~ 70 °C
FX-QDD-400GE-LR4	425G	1310	EML	PIN	10km	-2.8~4 dBm	≤-9.1 dBm	LC DX	0 ~ 70 °C

Note: Industrial grade -40 to 85 °C is available.

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