• February 23. 2022

Cloud computing and big data are booming in my country. In order to provide enough bandwidth, many access switches have been developed to aggregation/core switches that can connect to 40G Ethernet. 40G networks have been widely used in data centers, and optical modules are one of the indispensable components for data center equipment interconnection, so ETU-LINK will give you an inventory of the t...

• May 31. 2022

AOC active optical cable refers to the communication cable that needs to use external energy to convert electrical signals and optical signals to each other in the communication process, and the optical transceivers at both ends of the optical cable provide photoelectric conversion and optical transmission functions. Today ETU-LINK will introduce the 40G AOC active optical cable.   The 4...

• July 29. 2022

Communication has existed since the primitive society. Beacon fires and flying pigeons were common communication methods in ancient times. Later, after the industrial revolution, telegraph and telephone appeared. Until the modern optical network, communication technology has been developing continuously. However, the three basic elements to complete the information transmission, namely the source,...

• August 11. 2022

40G QSFP+ optical module refers to the transmission rate of 40G, and the package of this optical module is QSFP+. 40G optical module has four independent full-duplex transceiver channels, each channel of the transceiver rate of 10G, thus forming a 40G transmission rate, ETU LINK Optical Communication (ETU-LINK) will introduce the 40G QSFP + optical module what types are there. IEEE organization fo...

• April 07. 2023

In this article, ETU-LINK will analyze common problems related to 40G QSFP+ optical modules, 40G QSFP+ AOC active optical cables, and 40G QSFP+ DAC high-speed cables. Q1：Can a 40G optical module be connected with a 10G optical module? A1: Not all 40G optical modules can be connected to 10G optical modules, only 4*10G parallel transmission optical modules can be connected to 10G optical modules, fo...

• April 11. 2023

Raisecom ISCOM3000X series 10-Gigabit switch is equipped with 1U standard chassis, small size, large capacity, 1.28T switching capacity, L2/L3 full line speed forwarding; 48 10 Gbit/s SFP+ downstream ports, four or six 40 Gbit/s QSFP+ upstream ports, QSFP+ ports can be used as four 10GE SFP+ ports, providing flexible networking capabilities and meeting the requirement for high-density access to 10...

• June 20. 2023

We all know that the multi-mode 40G SR4 optical module adopts 4-way 10G parallel technology and MPO interface, and can use MPO-LC multi-mode OM3 fiber jumper and 10G SR for access。So are there any 40G optical modules that can be connected to single-mode 10G LR optical modules?In this article, ETU-LINK will introduce the next 40G optical module that can be interconnected with 10G LR optical module ...

• June 25. 2023

With the continuous surge of traffic, major operators and data centers began to upgrade the network architecture economically, smoothly and reliably. At present, there are two 100G migration paths, namely 10G to 40G to 100G and 25G to 100G. Next, ETU-LINK will introduce the wiring schemes of these two paths.   1. 10G wiring The 10 Gigabit Ethernet technology defi...