QSFP28-100G-ZR4

The insatiable demand for bandwidth continues to push the boundaries of data center and telecom networks. As 100 Gigabit Ethernet (100GbE) becomes the standard for high-speed interconnects, the challenge shifts from mere speed to achieving greater reach without sacrificing performance or efficiency. Enter the QSFP28-100G-ZR4 transceiver – a powerhouse module designed to bridge vast distances with clarity and reliability.

In this guide, we'll demystify this critical piece of optical technology, explore its inner workings, and show you how to leverage it for your network's success.

πŸ“ Key Takeaways

  • The QSFP28-100G-ZR4 transceiver helps connect devices far away. It can reach up to 80km using single-mode fiber.

  • This module is small and easy to swap. You can change it without turning off your network. This saves time and keeps your network working.

  • The QSFP28-100G-ZR4 uses LAN-WDM technology. It sends many signals through one fiber. This makes your network bigger without adding more cables.

  • The QSFP28-100G-ZR4 has advanced sensors. These sensors make the signal better. They help send data quickly and safely, even far away.

  • This transceiver works with most new switches and routers. It is simple to add to different network setups.

πŸ“ What is a QSFP28-100G-ZR4 Module?

The QSFP28-100G-ZR4 is a hot-pluggable, 100G optical transceiver built in the QSFP28 form factor. Its name breaks down its core function:

  • QSFP28: The quad small form-factor pluggable design that supports 100G rates.

  • 100G: Its data rate of 100 gigabits per second.

  • ZR: Stands for ZeRo Reach Extended, a term from the 100G ZR Coherent Optics standard, indicating its capability for very long-haul transmission.

  • 4: It uses 4 wavelengths (lanes) of light to transmit and receive data.

Unlike its SR4 and LR4 cousins designed for short and medium distances, the ZR4 is the marathon runner, built for long-haul applications.

πŸ“ How Does It Work? The Magic of Coherent Optics

The key differentiator of the 100G ZR4 module is its use of coherent optical technology. Traditional direct-detection modules (like SR4/LR4) simply turn a laser on and off. Coherent modules are far more sophisticated. They manipulate three properties of the light wave: amplitude, phase, and polarization (a technique known as DP-QPSK modulation).

This allows the transceiver to:

  • Pack significantly more data into a single light wave.

  • Be highly resistant to signal degradation and noise over long distances.

  • Amplify the signal effectively using standard EDFA (Erbium-Doped Fiber Amplifier) units found in telecom networks.

πŸ“ Key Specifications & Applications

Feature

Specification

Benefit

Form Factor

QSFP28

Standardized, high-density design

Data Rate

100Gbps

High-speed backbone connectivity

Wavelength

4 x LAN-WDM

Efficient use of fiber capacity

Max Reach

~80 km (over single-mode fiber)

Solves long-distance challenges

Fiber Type

Single-Mode (SMF)

Required for long-haul transmission

Modulation

Coherent (DP-QPSK)

Superior signal integrity and reach

Connector

Duplex LC

Common and easy to manage

Primary Applications:

  • Data Center Interconnect (DCI): Linking geographically separated data centers over a metropolitan area.

  • Telecom Backbone Networks: Extending 100G services across a service provider's network.

  • Cable TV Infrastructure: Modernizing headend and hub interconnections for high-bandwidth video and data.

  • Enterprise Networks: For large campus environments or organizations with facilities spread across a city.

πŸ“ Why Choose the LINK-PP QSFP28-100G-ZR4?

QSFP28-100G-ZR4

Not all transceivers are created equal. When your network's performance over long distances is critical, you need a module you can trust. The LINK-PP LQ-LW100-ZR4C stands out by offering:

  • Full MSA Compliance: Guaranteed interoperability with major switch and router brands like Cisco, Juniper, Arista, and others.

  • Superior Performance: Meticulously engineered to deliver stable, error-free transmission up to 80km, even under demanding conditions.

  • Rigorous Testing: Every unit undergoes extensive testing to ensure low power consumption and high reliability, giving you peace of mind.

  • Cost-Effectiveness: Provides a compelling data center interconnect solution that is more affordable than proprietary OEM modules, without compromising on quality.

Integrating the LINK-PP QSFP28 100G ZR4 transceiver into your infrastructure is a strategic move for future-proofing your optical network and ensuring scalable, long-haul capacity.

πŸ“ QSFP28 ZR4 vs. Other 100G Transceivers: A Quick Comparison

Transceiver Type

Technology

Reach

Fiber Type

Best For

QSFP28-100G-SR4

Parallel VCSEL

100m

OM4 MMF

Short-range data center racks

QSFP28-100G-LR4

LWDM4

10km

SMF

Medium-range DCI & campus links

QSFP28-100G-ER4

LWDM4

40km

SMF

Long-range links (non-coherent)

QSFP28-100G-ZR4

Coherent

80km

SMF

Extended long-haul & metro networks

πŸ“ Conclusion: Bridging the Distance with Confidence

The QSFP28-100G-ZR4 optical transceiver is more than just a transceiver; it's a gateway to expanding your network's reach. Its advanced coherent optics technology makes 80km 100G optical links not just possible, but practical and reliable. For network architects and engineers, understanding and utilizing this technology is key to building robust, high-capacity backbones.

When selecting a module, prioritize quality and compatibility. The LINK-PP LQ-LW100-ZR4C embodies the precision and performance required for such a critical role in your network infrastructure.

πŸ“ž Ready to Extend Your 100G Network?

Unlock seamless long-haul connectivity with confidence. Contact our experts today to discuss your project needs and discover why the LINK-PP LQ-LW100-ZR4C is the ideal 100G coherent pluggable solution for your application. Let us help you bridge the gap.

[Contact Us Today] | [Explore More 100G Transceivers] | [Request a Quote]

πŸ“ FAQ

What fiber type do you need for QSFP28-100G-ZR4?

You need single-mode fiber (SMF) for this transceiver. SMF lets you send data up to 80km. You get strong and clear signals over long distances.

Can you hot-swap the QSFP28-100G-ZR4 module?

Yes, you can hot-swap this module. You do not need to turn off your equipment. This feature helps you upgrade or replace modules quickly.

Which devices work with QSFP28-100G-ZR4?

Most modern switches and routers with QSFP28 ports work with this module. You do not need special adapters. You get easy installation and wide compatibility.

How does LAN-WDM help your network?

LAN-WDM sends each data lane at a different wavelength. You use one fiber for more data. This technology boosts your network’s capacity and efficiency.

What is the maximum reach of QSFP28-100G-ZR4?

You can connect devices up to 80km apart. This long reach makes the module perfect for data centers, metro networks, and long-haul links.