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Juniper Networks QDD-400G-DR4 QSFP-DD 400GBASE-DR4/4X100GBASE-DR SMF 500m MPO-12 connector

Mfr. Part #: QDD-400G-DR4
Brand: Juniper
Condition: New
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QDD-400G-DR4

Juniper Networks QDD-400G-DR4 QSFP-DD 400GBASE-DR4/4X100GBASE-DR SMF 500m MPO-12 connector

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overview
specifications
faqs
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overview

QDD-400G-DR4 Overview

Juniper Networks QDD-400G-DR4 Qsfp-dd 400gbase-dr4/4x100gbase-dr Smf 500m Mpo-12 Connector

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specifications

Specifications

Overview

Condition New
Brand Juniper
Stock In Stock

Specifications

Speed 4 X 100 Gigabit Ethernet, 400 Gigabit Ethernet
Breakout Capable Yes
Form Factor Qsfp-dd
Product Type Optical Transceiver
Connector Mpo-12/apc
Monitoring Available Yes
Digital Optical Monitoring Yes
Standard 400g Dr4 And 100g Dr

Signaling Rate Each Lane

- Host Lane 26.5625 Gbd Pam4 +/-100 Ppm
- Media Lane 53.125 Gbd Pam4 +/-100 Ppm
Transmitter Fibers 8
Transmitter Wavelengths (range) 1304.5 Nm To 1317.5 Nm
Receive Lane Wavelengths (range) 1304.5 Nm To 1317.5 Nm
Transmitter Output Power Each Lane (minimum) -2.9 Dbm
Transmitter Output Power Each Lane (maximum) 4 Dbm
Receiver Input Power Each Lane (minimum) -5.9 Dbm
Receiver Input Power Each Lane (maximum) 4 Dbm
Receiver Sensitivity (oma) Each Lane (maximum) Max (-3.9, Secq -5.3) Dbm
Stressed Receiver Sensitivity (oma) Each Lane (maximum) -1.9 Dbm
Cable Type Smf
Core Size/cladding 9/125 Μm
Distance 500 M
Maximum Power Consumption (w) 12 W
Operating Temperature (range) 0c To 70c
Storage Temperature – 40 C To 85 C

Typical Weight & Dimensions

- Weight 0.2 Kg
- Height 13.5 Mm
- Width 18.35 Mm
- Depth 93.26 Mm
faqs

Frequently Asked Questions

What is the primary use case for the Juniper QDD-400G-DR4 transceiver? +
The QDD-400G-DR4 is designed for high-density 400GbE data center interconnects and spine-leaf architectures. It utilizes parallel single-mode fiber to support reach up to 500 meters, making it an ideal solution for short-to-medium distance optical links within large-scale campus environments or between adjacent data center rows requiring low latency and high bandwidth.
Does the QDD-400G-DR4 support breakout applications? +
Yes, the DR4 form factor is specifically engineered to support 4x100GbE breakout configurations. By using an MPO-12 connector, this module allows network administrators to split a single 400G port into four discrete 100G signals, offering significant flexibility for interconnecting high-density core switches with 100G-enabled leaf switches or server network interface cards.
What type of optical interface does this Juniper module utilize? +
This module features an MPO-12 optical interface designed for use with single-mode fiber (SMF). It leverages 1310nm wavelength technology to provide a high-performance, cost-effective interconnect solution. Ensure that your fiber plant uses MPO-12 cabling to maintain proper signal integrity and compatibility with the module's optical lane alignment.
How does the QDD-400G-DR4 achieve 400Gbps transmission speeds? +
The module achieves 400Gbps throughput by utilizing four parallel lanes, each operating at 100Gbps using PAM4 modulation. This advanced signaling technique packs more data into the optical signal compared to traditional NRZ modulation, allowing for high-speed transmission over single-mode fiber while maintaining compatibility with standard QSFP-DD port architectures.
Is the Juniper QDD-400G-DR4 compatible with standard QSFP-DD ports? +
The QDD-400G-DR4 strictly follows the QSFP-DD (Quad Small Form-factor Pluggable Double Density) multi-source agreement. It is electrically and physically compatible with any standard QSFP-DD host port. However, you should always verify your specific Juniper hardware platform’s software release notes to ensure the module is supported by the installed firmware version for seamless integration.
What is the maximum power consumption of this 400G transceiver? +
While power draw can fluctuate based on port configuration and traffic load, the QDD-400G-DR4 is engineered for efficiency within the standard power envelopes defined for QSFP-DD modules. It is optimized to balance high-speed signal processing with thermal output, ensuring stable operation even in densely populated high-performance network switches.
How do I ensure the fiber connection remains clean for this transceiver? +
Given the sensitivity of 400G PAM4 signals, maintaining pristine fiber end-faces is critical. Use standard MPO-12 optical cleaning tools to remove dust or contaminants before insertion. Regularly inspecting connector ferrules with a fiber scope is a best practice to prevent signal loss and potential damage to the laser components within the transceiver.
Does this module require specific management software to monitor performance? +
The QDD-400G-DR4 supports standard Digital Optical Monitoring (DOM) features. Through your Juniper switch's CLI or management interface, you can retrieve real-time telemetry data, including laser bias current, transmit/receive optical power, and internal module temperature. This allows for proactive troubleshooting and performance monitoring to ensure your network links remain healthy and within operating specifications.
How can I obtain a bulk quote for multiple Juniper QDD-400G-DR4 units? +
For large volume orders or recurring procurement needs, our sales team is ready to assist with competitive bulk pricing. Simply navigate to the 'Request a Quote' section on BuyRouterSwitch.com or contact our sales department directly. We specialize in enterprise-scale hardware acquisition and can provide tailored pricing based on your project size and specific quantity requirements.
Why should I purchase my Juniper networking hardware from BuyRouterSwitch.com? +
BuyRouterSwitch.com is a dedicated provider of high-performance networking equipment, focusing on delivering authentic, high-quality components to enterprise clients. When you buy from us, you benefit from a streamlined procurement process, expert product matching, and a commitment to ensuring that every transceiver meets rigorous industry standards. We prioritize secure handling and efficient processing to keep your infrastructure projects on schedule.
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