QSFP28-ZR4 100GBASE-ZR4 80km Optical Transceiver
The QSFP28-ZR4 is a high-performance 100GBASE-ZR4 optical transceiver engineered for enterprise data centers and long-reach networking applications requiring ultra-reliable 100 Gigabit Ethernet connectivity. This QSFP28 transceiver delivers exceptional performance over extended distances up to 80km on single-mode fiber (SMF), making it ideal for campus interconnects, metropolitan area networks, and carrier-class deployments. Built to IEEE 802.3bm-2015 standards with host-enabled KR4 FEC, the QSFP28-ZR4 provides a hot-pluggable, future-proof solution that integrates seamlessly into existing network infrastructure while maintaining backward compatibility with QSFP28 MSA specifications.
Key Features
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100 Gigabit Ethernet Performance — 100GBASE-ZR4 standard delivers maximum throughput for bandwidth-intensive applications
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Extended 80km Reach — Single-mode fiber connectivity enables long-distance data center and metropolitan networking
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Hot-Pluggable Design — QSFP28 form factor allows field installation without system downtime
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Host-Enabled KR4 FEC — Forward Error Correction ensures signal integrity over extended distances
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Low Power Consumption — Single 3.3V power supply reduces operational costs and cooling requirements
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Duplex LC Connector — Industry-standard interface for reliable fiber connections
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IEEE 802.3bm Compliant — Meets stringent standards for interoperability and performance
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QSFP28 MSA Certified — Guaranteed compatibility with multi-source agreement specifications
Technical Specifications
| Specification |
Detail |
| Manufacturer |
LEGRAND DAT |
| Part Number |
AN-QSFP28-ZR4 |
| Product Type |
QSFP28 Optical Transceiver |
| Standard |
100GBASE-ZR4 (IEEE 802.3bm-2015) |
| Data Rate |
100 Gigabit Ethernet |
| Maximum Distance |
80 km over single-mode fiber |
| Fiber Type |
Single-Mode Fiber (SMF) |
| Connector Type |
Duplex LC |
| Power Supply |
3.3V DC |
| Form Factor |
QSFP28 (SFF-8661, SFF-8636) |
| FEC Support |
Host-Enabled KR4 Forward Error Correction |
| Compliance |
QSFP28 MSA, IEEE 802.3bm-2015 |
| Installation |
Hot-Pluggable |
Frequently Asked Questions
What is a QSFP28-ZR4 transceiver used for?
The QSFP28-ZR4 is designed for high-speed 100 Gigabit Ethernet links in data center interconnects, campus networks, and metropolitan area networks. It enables long-distance fiber connectivity up to 80km, making it ideal for connecting remote facilities or scaling enterprise networks without signal degradation.
How far can the 100GBASE-ZR4 transceiver transmit?
The 100GBASE-ZR4 optical transceiver supports transmission distances up to 80 kilometers over single-mode fiber, significantly extending network reach compared to shorter-distance QSFP28 modules. This extended range eliminates the need for intermediate repeaters in many enterprise deployments.
Is the QSFP28-ZR4 hot-pluggable?
Yes, the QSFP28-ZR4 features a hot-pluggable design, allowing installation and removal without powering down your network equipment. This minimizes downtime during upgrades, maintenance, or network reconfiguration.
What fiber type does the QSFP28-ZR4 require?
The QSFP28-ZR4 operates exclusively over single-mode fiber (SMF) to achieve its 80km transmission distance. Single-mode fiber provides superior performance for long-reach applications compared to multimode alternatives.
