Power and wavelength testing
Test the signal transmission strength and wavelength, ensure the signal decoding capability of the receiver, and maintain consistency in wavelength from the transmitter to the receiver.
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Product Overview
QDD-LR8-400G optical module (single mode, 1310nm, 10km, LC, DOM)
The QDD-LR8-400G optical module, featuring a duplex LC connector, can achieve a transmission distance of up to 10km over parallel single-mode fiber. This optical module complies with the IEEE 802.3bs protocol and the 400GAUI-8/CEI-56G-VSR-PAM4 standard.
The 400G Ethernet signal is transmitted through 8 wavelengths. The multiplexing and demultiplexing of these 8 wavelengths are managed internally within the device.
Product features
Equipped with an Inphi DSP chip, it boasts a maximum power consumption of 10W
Real-machine testing to ensure superior performance, quality, and reliability
Compliant with QSFP-DD MSA CMIS Rev4.1, OIF 56G PAM4 standards
Hot-swappable QSFP-DD package
Compliant with IEEE 802.3bs high-speed electrical port standard
8x50G PAM4 retiming 400G AUI-8 electrical interface
The QSFP-DD port supports backward compatibility with QSFP+, QSFP28, and QSFP56 optical modules
Complies with Class 1 laser safety and RoHS standards
Specifications
| Product model | QDD-LR8-400G | Brand | AndXe |
| Package form | QSFP-DD | Maximum transmission rate | 425Gbps |
| Wavelength | 1310nm | Maximum transmission distance | 10km |
| Interface | Duplex LC | Cable Type | Single-mode |
| Transmitter type | Fixed wavelength LWDM EML | Receiver type | PIN |
| Transmitting power | -2.8~5.3dBm | Minimum receiving power | -9.1dBm |
| Power budget | 6.3dB | Reception overload | 5.3dBm |
| Maximum power consumption | 10W | Extinction ratio | 3.5dB |
| DDM/DOM (Digital Diagnostics) | supports | a commercial-grade temperature range of | 0至70℃(32至158°F) |
| Modulation mode (electrical port) | 8x50G-PAM4 | Modulation mode (optical port) | 8x50G-PAM4 |
| DSP | TX and RX | built-in FEC | No |
| Fiber core size | G.652/9um | Packaging technology | box-type |
| Support protocol | IEEE 802.3bs,QSFP-DD MSA,CMIS 4.1 | Warranty | 3 years |
Test the signal transmission strength and wavelength, ensure the signal decoding capability of the receiver, and maintain consistency in wavelength from the transmitter to the receiver.
Test the bit error rate and packet loss rate, to make them meet the corresponding standards and ensure the performance of transceivers.
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.
Check the end face of the transceivers and keep them clean for more stable data transmission, better performance, and durability.
Every module is quality tested for compatibility in the multi-brand switches environment, guaranteeing flawless operations.