• January 07. 2022

TOR (Top of Rack) is a data center routing mode.In this article,ETU-LINK will introduce the application of 40 Gigabit DAC high-speed cable in data center TOR wiring. The 40 Gigabit data center TOR wiring mode is to use a standard 42U server cabinet, and then put a 40 Gigabit switch above the server cabinet. The server in the server cabinet is connected to the switch at the upper end through t...

• October 30. 2021

DAC high-speed cable is a low-cost and short-distance connection solution for data center equipment. It consists of a cable and optical fiber transceiver devices at both ends of the cable. Because of the high cost performance, the interconnection application between short-distance network equipment is widely welcomed. At present, there are many specifications of DAC high-speed cables on the market...

• September 14. 2021

In this article, ETU-LINK will introduce to you, what is the difference between active optical cable(AOC) and direct attach cable(DAC)? First, the AOC is composed of integrated optoelectronic devices. The signal transmission process is that the A terminal module converts the electrical signal into an optical signal, the optical signal is transmitted to the B terminal module by an optical fiber pat...

• July 21. 2021

As we all know, DAC active cable is mainly used for interconnection between cabinets. Due to the limitation of passive copper cable DAC transmission distance due to material, high frequency loss of connector and other factors, the maximum length of passive copper cable DAC with transmission rate of 10G/25G can only reach 7m, and the maximum length of passive copper cable DAC with transmission rate...

• July 06. 2021

High speed cable and active optical cable are commonly used short-distance interconnection products in data center and enterprise computer room, but they have their own advantages and disadvantages. In this article, ETU-LINK will show you how to choose high-speed cable and active optical cable in data center computer room and how to compare their advantages?   First of all, let's ta...

• April 30. 2021

10G SFP+ direct attach cable is a common cable for data center overhead cabling, which is used to connect small access switches and servers. 10G SFP+ direct attach cable is a low cost solution instead of optical module and AOC active optical cable. It has the advantages of low power consumption and low cost. It is an ideal choice for the connection between server and switch to ...

• October 13. 2020

With the trend of higher transmission rate, higher density and lower power consumption, 200G Ethernet has become the favorite in the market, and 200G optical module, 200G AOC and 200G DAC are the most important parts. Now there are a variety of 200g data center optical interconnection solutions on the market, including 200G optical module, 200G AOC, 200G DAC. The following etu-link of Yitian optic...

• September 22. 2020

40G QSFP+ high speed cable (DAC) adopts copper cable as transmission medium, which has two kinds of passive and active. The 40G QSFP+ passive high-speed cable does not need power supply, and its power consumption is low, but the transmission distance is also short; the transmission distance of 40G QSFP+ active high-speed cable is longer. According to the different connectors at both ends of copper...

• September 04. 2020

The 25G direct attach cable is composed of a copper cable and a transceiver module at both ends. It adopts silver plated conductor and foam insulated core wire. It has excellent attenuation performance and low delay performance, which makes the signal transmission correct and can also improve the transmission speed. It is a short-distance connection solution that replaces optical modules. The conn...

• January 18. 2020

With the rapid development of the network, the demand of the market for high bandwidth and high reliability is also increasing, so the high-speed interconnection solution of DAC high-speed cable comes into being from time to time. Today ETU-Link will introduce 100G QSFP28 DAC high-speed cable. What is DAC cable? DAC is short for Direct Attach Cable. It is usually a cable component purchased with f...