Hot-pluggable QSFP-DD form factor
8 CWDM lanes MUX/DEMUX design
Duplex LC connector
Compliant to QSFP-DD MSA
8x53.125Gb/s electrical interface (400GAUI-8)
Up to 10km transmission on single mode fiber (SMF) with FEC
Digital diagnostics functions are available via the I2C interface
Single 3.3V Power Supply and Power Dissipation < 10W
Operating Case Temperature: 0℃~+70℃
QDD-400G-LR8 Compatible 400GBASE-LR8 QSFP-DD PAM4 10KM
Product Highlights
Built-in Inphi DSP Chip, Max. Power Consumption 10W
Tested in Targeted Switches for Superior Performance, Quality, and Reliability
Compliant with QSFP-DD MSA CMIS Rev4.1, OIF 56G PAM4
Hot Pluggable QSFP-DD Form Factor
High-speed Electrical Compliant to IEEE 802.3bs
8x 50G PAM4 Retimed 400GAUI-8 Electrical Interface
QSFP-DD Port is Backward Compatible with QSFP+, QSFP28 and QSFP56 Modules
Class 1 Laser Safety and RoHS Compliant
Optical Transceiver Module (SMF, 1310nm, 10km, LC, DOM)
The 400GBASE-LR8 module, Duplex LC connector, up to 10km over parallel single-mode fiber. It is compliant to IEEE 802.3bs protocol and 400GAUI-8/CEI-56G-VSR-PAM4 standard.
The 400 Gigabit Ethernet signal is carried over eight wavelengths. Multiplexing and demultiplexing of the eight wavelengths are managed within the device.
Specifications
|
Cisco Compatible |
QDD-400G-LR8-S |
Protocols |
IEEE 802.3bs, QSFP-DD MSA, CMIS 4.1 |
|
Form Factor |
QSFP-DD |
Max Data Rate |
425Gbps |
|
Wavelength |
1310nm |
Max Cable Distance |
10km |
|
Connector |
Duplex LC (UPC) |
Media |
SMF |
|
Transmitter Type |
LWDM EML |
Receiver Type |
PIN |
|
TX Power |
-2.8~5.3dBm |
RX Power |
-9.1~5.3dBm |
|
Power budget |
6.3dB |
Modulation |
8x 50G PAM4 |
|
Power Consumption |
≤10W |
Extinction Ratio |
3.5dB |
|
DDM/DOM |
Supported |
Commercial Temperature Range |
0 to 70°C (32 to 158°F) |
|
DSP |
TX and RX |
Inbuilt FEC |
No |
|
Core Size |
G.652/9um |
Packaging Technology |
BOX |

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