QDD-400G-LR4-S
400G QSFP-DD Transceiver, 400G-LR4, Duplex LC, 10km Duplex SMF
Cisco 400GbE QSFP-DD transceiver module, supports links up to 10km over SMF. Compliant to 400GBASE-LR4 using 4 x 100Gbps lanes with CWDM wavelengths multiplexed over single fiber pair.
QDD-400G-LR4-S Overview
The Cisco QDD-400G-LR4-S module is a 400G QSFP-DD transceiver designed for long reach data center interconnects over single mode fiber. Utilizing advanced PAM4 modulation and 4 wavelengths multiplexed together, this module supports 400GbE links up to 10km over SMF.
A duplex LC connector handles the single pair of fibers carrying the 4 multiplexed wavelengths internal to the module. Support for long reach 400GbE connectivity allows an easy upgrade path from 100GbE switches using QSFP28 modules to 400G platforms.
Overall, the Cisco QDD-400G-LR4-S provides 400GbE connectivity up to 10km over SMF in a pluggable QSFP-DD form factor, enabling high density long reach 400G links between data center switches.
Key Features
- 400GBASE-LR4-6 compliant with extended 10km reach
- Supports 400GbE links up to 10km over SMF
- Duplex LC connector for single fiber pair
- Supported on Cisco 400G switch platforms
QDD-400G-LR4-S Compatibility
| Product | Description |
|---|---|
| Cisco® QSFP-DD transceiver module, 400G-LR4 | |
| Cisco Nexus 9000 Series Switches | Works with this module for 400GBase-LR4 connections |
| Cisco Nexus 7000 Series Switches | Compatible with this module for 400GBase-LR4 connections |
| Cisco ASR 9000 Series Routers | Utilizes this module for 400GBase-LR4 connections |
| Cisco MDS 9000 Series Storage Switches | Can integrate this module for 400GBase-LR4 connections |
Specifications
| Parameter | Value |
|---|---|
| Data Rate | 400GbE |
| Interface | 4x100Gbps, CWDM SM |
| Fiber Type | SMF |
| Connector | Duplex LC |
| Link Length | 10km on SMF |
| BER | 2.4×10^-4 (pre-FEC BER) |
| Power Budget | 6.3dB |
Installation
The QDD-400G-LR4-S module is hot-swappable and plugs directly into any Cisco QSFP-DD port. Mate the duplex LC connector with a compatible SMF cable to a 400GbE port on another switch.
Ordering Information
Product ID: QDD-400G-LR4-S
Description: 400G QSFP-DD Transceiver, 400G-LR4, Duplex LC, 10km Duplex SMF
Brand
Cisco Systems
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