• July 01. 2026

In the vast system of optical communication networks, we often focus on core equipment such as switches, routers, and optical modules, but overlook a seemingly small yet crucial component—the fiber optic patch cord. Like an "invisible bridge" in the network world, it traverses various scenarios such as computer rooms, data centers, and communication base stations, silently undertaking the task of ...

• December 01. 2025

ETU-LINK Optical Communication focuses on the field of optical communication. In the high-speed data transmission links between optical modules within data center racks, they deeply understand that MPO patch cords are an indispensable key connection carrier. MPO patch cords, with their unique performance, build stable channels for optical modules. Next, drawing on ETU-LINK industry experience, we ...

• June 04. 2025

In the optical fiber network system, the correct matching of optical modules and patch cord is very important, which is not only related to the stability of network connection, but also affects the efficiency and quality of data transmission. As a professional optical module manufacturer, ETU-LINK will introduce you to the comprehensive knowledge of optical module matching patch cords. Analysis of...

• July 12. 2022

The 100G QSFP28 SR4 optical module has a wavelength of 850 nm and uses a 4-channel 850 nm VCSEL laser array and a PIN photodetector array, and each channel can run at a rate of 25Gbps. The 100G QSFP28 SR4 optical module uses an MPO interface (12 cores) and has a transmission distance of 70m when used with OM3 multimode fiber and 100m when used with OM4 Multimode fiber. The 100G QSFP28 SR...

• November 19. 2021

In today's Internet era, both enterprise network deployment and data center construction are inseparable from optical transceivers and switches. Optical transceivers are mainly used to convert electrical and optical signals, while switches are used to forward photoelectric signals. Among many optical transceivers, the SFP+ optical transceiver is one of the most widely used optical transceivers. Wh...

• October 26. 2021

一. Introduction to MPO Patch cord The MPO fiber optic patch cord is composed of a hot-swappable MPO connector and a multi-mode/single-mode fiber optic cable. The MPO optical fiber connector includes optical fiber, sheath, coupling components, metal ring, pin, dust cap, etc., and the pin part is divided into two forms: male and female. The male connector has two PIN pins, while the female connector...

• October 23. 2021

This blog ETU-LINK takes everyone to understand the difference between optical fiber, copper cable and twisted pair. First of all, let’s understand the twisted pair. The twisted pair is made up of multiple groups of insulated copper wires intertwined. The internal medium of the twisted-pair cable is also copper wire, and the internal transmission is an electrical signal. According to the principle...

• October 19. 2021

The Fibre Channel switch originated from the Fibre Channel protocol. On the fourth layer of the Fibre Channel protocol, the Fibre Channel-based SCSI protocol for storage, the IP protocol for the network, and the virtual interface (VI) protocol for clusters mapped to the network architecture are established. Fibre Channel switches provide Fibre Channel switching for high-bandwidth and low-latency d...