{"id":4366,"date":"2026-05-13T02:51:04","date_gmt":"2026-05-13T02:51:04","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/sfp-1g-zx-explained-80km-long-distance-connectivity\/"},"modified":"2026-05-26T02:38:00","modified_gmt":"2026-05-26T02:38:00","slug":"sfp-1g-zx-explained-80km-long-distance-connectivity","status":"publish","type":"post","link":"https:\/\/lp.szlogic.cn\/ru\/knowledge-center\/sfp-1g-zx-explained-80km-long-distance-connectivity","title":{"rendered":"The SFP-1G-ZX Transceiver: Your Ultimate Guide to 80km Long-Reach Connectivity"},"content":{"rendered":"
\"SFP-1G-ZX<\/figure>\n\n\n\n

In the vast world of fiber optic networking, reaching across great distances without sacrificing signal integrity is a constant challenge. Whether you’re connecting two corporate data centers across a city or linking a remote facility to your main network, you need a reliable, high-performance solution. Enter the SFP-1G-ZX<\/strong><\/a> transceiver\u2014a workhorse module designed for long-haul single-mode fiber connections<\/strong>.<\/p>\n\n\n\n

This guide will demystify the SFP-1G-ZX<\/strong>, exploring its technical specifications, primary use cases, and key advantages. We’ll also highlight how choosing a high-quality module, like the LINK-PP <\/strong>LS-SM551G-80C<\/strong><\/a>, is critical for network stability and performance.<\/p>\n\n\n\n

📝 What Exactly is an SFP-1G-ZX Module?<\/strong><\/h2>\n\n\n\n

The SFP-1G-ZX<\/strong> is a hot-swappable, <\/strong>1 Gigabit optical transceiver<\/strong><\/a> that operates on a single wavelength of 1550nm. The “ZX” in its name stands for “Extended Reach,” denoting its ability to transmit data up to 80 kilometers (approximately 50 miles)<\/strong> over single-mode fiber (SMF)<\/strong><\/a>. It’s a vital component for network administrators and ISPs looking to extend their network’s footprint far beyond the limits of standard copper or multi-mode fiber cables.<\/p>\n\n\n\n

Its compact SFP (Small Form-factor Pluggable)<\/strong> design allows for high port density in switches, routers, and media converters, making it a versatile and scalable solution.<\/p>\n\n\n\n

Key Technical Specifications & Performance Data<\/strong><\/h3>\n\n\n\n

To understand its capabilities, let’s break down the core technical specifications in a clear format.<\/p>\n\n\n\n

\n\n<\/colgroup>

Feature<\/strong><\/p><\/th>

Specification<\/strong><\/p><\/th>

Note<\/strong><\/p><\/th><\/tr>

Form Factor<\/strong><\/p><\/td>

SFP (MSA Compliant)<\/p><\/td>

Ensures broad compatibility<\/p><\/td><\/tr>

Data Rate<\/strong><\/p><\/td>

1.25Gbps (Gigabit Ethernet)<\/p><\/td>

Supports 1000BASE-ZX standard<\/p><\/td><\/tr>

Wavelength<\/strong><\/p><\/td>

1550nm<\/p><\/td>

Optimal for long-distance on SMF<\/p><\/td><\/tr>

Fiber Type<\/strong><\/p><\/td>

Single-Mode (SMF)<\/p><\/td>

OS1 or OS2<\/p><\/td><\/tr>

Max. Distance<\/strong><\/p><\/td>

Up to 80km<\/strong><\/p><\/td>

Dependent on fiber quality and conditions<\/p><\/td><\/tr>

Connector<\/strong><\/p><\/td>

LC Duplex<\/p><\/td>

Standard for SFP modules<\/p><\/td><\/tr>

Digital Diagnostic Monitoring <\/strong>(DDM)<\/strong><\/a><\/p><\/td>

Yes (Supported)<\/p><\/td>

Real-time monitoring of temperature, voltage, TX\/RX power<\/p><\/td><\/tr>

Operating Temperature<\/strong><\/p><\/td>

0\u00b0C to 70\u00b0C (Commercial)<\/p><\/td>

Standard range for most environments<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n

This table highlights why the 1G ZX SFP is a go-to for long-range single mode fiber applications<\/strong>. The inclusion of DDM is a crucial feature, allowing for proactive monitoring and simplified troubleshooting\u2014a must for maintaining a healthy fiber optic network<\/strong>.<\/p>\n\n\n\n

SFP-1G-ZX vs. Other Common SFP Types<\/strong><\/h3>\n\n\n\n

It’s easy to confuse the ZX with other common types. Here\u2019s a quick differentiation:<\/p>\n\n\n\n