• July 23. 2026

The optical communication industry boasts a comprehensive and professional technical terminology system, with numerous abbreviations and professional terms, posing a significant cognitive barrier for newcomers. Having accumulated extensive industry experience and understanding the inefficiency of rote memorization, this article systematically compiles frequently occurring core terms in optical com...

• March 27. 2026

100G BIDI 80km ZR4 Optical Transceiver: The Revolutionary Solution for Long-Distance Transmission Ⅰ.Market Overview: Rising Demand and Maturing Technology Drive Adoption Driven by data center interconnections, 5G network deployment, and metropolitan backbone network upgrades, demand for 100G BIDI 80km ZR4 optical modules continues to grow. Its core advantage lies in its single-fiber bidirectional ...

• March 09. 2026

In the procurement of optical modules, customers often face a trade-off between budget control and long-term reliability. Although second-hand products attract attention with their low prices, brand-new optical modules remain the better solution for critical business scenarios in terms of performance stability, after-sales guarantee, technical support , and delivery certainty. Ⅰ. Performance Stabi...

• October 24. 2025

In 100G optical communication networks, QSFP28 (Quad Small Form-Factor Pluggable 28) is the mainstream packaging standard. It is key to high-speed interconnection in data centers and telecommunications networks, and directly affects the deployment efficiency of optical modules and network performance. I. Core Design of QSFP28 Packaging 1. Compact size: approximately 18.3mm×56.5mm×8.5mm, only 1/5 o...

• October 17. 2025

In mid-to-high-speed optical communication scenarios, the 25G SFP28 Optical Module has become mainstream due to its characteristic of "balancing speed and cost". ETU-Link has been deeply engaged in this category and has created cost-effective products that are suitable for multiple scenarios, covering core needs such as data centers, enterprise parks, and 5G edge computing. I. Product Features: Co...

• September 11. 2025

Did you know? In the world of optical transceivers, there's a subtle yet crucial role: the gold finger. Don't underestimate these glittering golden contacts at the end of an optical module; each one carries the weight of a "bridge for data transmission." When an optical module is inserted into a device, the gold finger engages directly with the connector, ensuring reliable transmission of electric...

• February 20. 2025

Although data centers have developed to 400G / 800G optical modules, 10G Ethernet is still one of the main products in many schools, institutions, telecommunications transmission and enterprise computer rooms. Therefore, for 10G data transmission, 10G SFP+ optical modules and 10G XFP optical modules are still in high demand. Here, we will introduce the 10G SFP+/XFP dual-fiber long-distance transmi...

• February 13. 2025

100G Ethernet optical module originated from the urgent need for high-capacity data transmission. It can provide high-speed 100Gb/s transmission rate to meet the needs of Internet applications, cloud computing, big data and high-definition video. Among them, 100G QSFP28 ER4 optical modules are widely used in long-distance transmission scenarios. For 40KM application scenarios, 100G ER4 optical mod...