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-2LR4-800G optical module (single mode, 1310nm, 10km, 2× duplex LC/UPC, DOM)
The QDD-2LR4-800G QSFP-DD optical module is specifically designed for 800GBASE Ethernet throughput, enabling a transmission distance of 10km over 8 pairs of single-mode fibers through two duplex LC/UPC connectors. This optical module complies with IEEE 802.3cu and CMIS Rev 5.0 standards.
This optical module is equipped with two duplex LC connectors, enabling each 800G optical module to support two independent 400G LR4 links without the need for branching cables. It is suitable for 800G and 400G Ethernet, data centers, and 2x 400G LR4 branching applications.
Product features
Equipped with a Broadcom 7nm DSP chip, it boasts a maximum power consumption of 18W
Dual-interface design enables flexible 2x 400G packet networking
8×106.25G PAM4 re-timing 2x 400GAUI-4 C2M electrical interface
Complies with IEEE802.3-2020, IEEE 802.3df-2024, and CMIS Rev 5.0 high-speed connectivity standards
Compliant with hot-plug QSFP-DD MSA standard
Complies with Class 1 laser safety and RoHS standards
Parameter testing to ensure excellent performance, quality, and reliability
Specifications
| Compatible model name | QDD-800G-2LR4 | Brand | AndXe |
| Package | QSFP-DD | Maximum transmission rate | 850Gbps (8×106.25Gbps) |
| Wavelengths | 1271nm,1291nm,1311nm和1331nm | Maximum transmission distance | 10km |
| Interface | 2×双工LC/UPC | Fiber Type | Single Mode |
| Emitter type | EML | Receiver type | PIN |
| Transmitting power | -2.7-5.1dBm | Minimum receiving power | -9dBm |
| Power budget | 6.3dB | Receive overload | 5.1dBm |
| Maximum power consumption | 18W | Extinction ratio | 3.5dB |
| Modulation (electrical port) | 8x100G-PAM4 | Modulation (optical port) | 8x100G-PAM4 |
| Packaging technology | COB (Chip On Board) packaging | DSP | Broadcom |
| Built-in FEC | is | a technical protocol | CMIS Rev 5.0,IEEE 802.3cu-2021,100G Lambda MSA- 400G-LR4-10,QSFP-DD MSA HW Rev 6.01 |
| 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.