RealSea's 400GE QSFP-DD LR8 is a series of pluggable optical transceiver modules designed for data center 400GBASE-LR8 Ethernet links reach up to 10km over dual SMF with FEC.
Hot-pluggable QSFP-DD form factor
8 channels full-duplex transceiver module
Data rate up to 425Gbps
8x 53Gb/s PAM4 EML LWDM cooling transmitter and PIN receiver
Retimed 400GAUI-8 electrical interface
Power consumption < 12.5W
Reach up to 10km over SMF with FEC
Duplex LC receptacles
Built-in digital diagnostic functions
Commercial operating case temperature range: 0℃ to 70℃
3.3V power supply voltage
Compliant with QSFP-DD MSA
Compliant with IEEE 802.3bs
Compliant with 400GBASE-LR8
Compliant with RoHS
General Specifications
Parameter | Symbol | Min | Typ | Max | Unit |
Data Rate | DR | 26.5625 | Gb/s | ||
Bit Error Rate | BER | 10−12 | |||
Operating Temperature | Tc | 0 | 70 | ◦C | |
Storage Temperature | TSTO | -40 | 85 | ◦C | |
Input Voltage | Vcc | 3.14 | 3.30 | 3.46 | V |
Maximum Voltage | VMAX | -0.5 | 4 | V |
Product attributes | |||
Brand | Realsea Technology | RX Sensitivity : | < -8.4dBm |
Part Number | QSFPDD-LR8-400G | Power dissipation : | ≤3.5w |
Data Rate | 400 Gbps | DDM/DOM : | Supported |
Connector Type | QSFP-DD | EMC : | Supported |
Wavelength : | LWDM4 | Commercial Temperature : | 0 to 70°C (32 to 158°F) |
Transmission Distance : | 10KM | MTBF : | 1,000,000 Hours |
Connector : | LC | Receiver Overload : | 4dBm |
TX output Power : | -0.5~4dBm | Extinction Ratio : | >4.5dB |
Transmitter Type : | DML | Warranty : | 3 year |
RX Type : | 4 x PIN ROSA |