400G QSFP-DD DR4

400G QSFP-DD DR4 optical transceiver module is suitable for 500 meters optical communication. It converts 8 channels of 50Gb/s (PAM4) electrical input data to 4 channels of parallel optical signals, each capable of 100Gb/s operation for an aggregate data rate of 400Gb/s. On the receiver side, the module converts 4 channels of parallel optical signals of 100Gb/s each channel for an aggregate data rate of 400Gb/s into 8 channels of 50Gb/s (PAM4) electrical output data. Host FEC is required to support 500 meters fiber transmission.

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Product Highlight

Compliant to QSFP-DD MSA
Utilizes 56G silicon photonics chip with CW laser and 16nm DSP
Compliant with 400G-DR4 optical specifications
Operate at 106.25Gb/s (PAM4) per channel
IEEE 802.3bs 400GBASE-DR4 specification compliant
Up to 500m transmission on single mode Fiber (SMF) with FEC
MTP/MPO-12 connector
Supports receiver signal strength indicator (RSSI) and transmitter output power monitoring (TOPM)

Application

400G Ethernet
InfiniBand Interconnects
Data Center Interconnects
Enterprise Networking

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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