QDD-400G-LR8-S Cisco 400Gbps 400GBase-LR8 Transceiver Module
QDD-400G-LR8-S Overview
The Cisco QDD-400G-LR8-S is a cutting-edge 400GBase-LR8 QSFP-DD transceiver built for ultra-high-speed, long-range optical connectivity. Designed to transmit eight parallel 50Gbps channels using PAM4 modulation over single-mode fiber, it delivers an aggregate throughput of 400Gbps at distances up to 10 kilometers. Its duplex LC interface ensures compatibility with standard SMF infrastructure, while the QSFP-DD form factor enables high-density port configurations in modern switches and routers. Ideal for data center interconnects, large-scale enterprise backbones, and carrier-grade metro links, this module offers exceptional performance, scalability, and reliability for next-generation networking demands.
QDD-400G-LR8-S Technical Specifications
Cisco 400Gbps 400GBase-LR8 Single-Mode Fiber 10km Duplex LC Connector QSFP Transceiver Module
Manufacturer: Cisco
Manufacture Part Number: QDD-400G-LR8-S
Product Type: QSFP-DD Optical Transceiver Module
Data Rate: 400Gbps
Transmission Standard: 400GBase-LR8 (Long Range)
Fiber Type: Single-Mode Fiber (SMF)
Connector Type: Duplex LC
Wavelengths: 8-channel WDM in the 1310nm range
Maximum Distance: Up to 10km over SMF
Form Factor: QSFP-DD (Quad Small Form-factor Pluggable Double Density)
Hot-Pluggable: Yes
Modulation: PAM4
Application: High-capacity data center, enterprise backbone, and metro network links
Compliance: IEEE 802.3bs, QSFP-DD MSA, RoHS
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