Direct Attach Cable (DAC) Overview: A Simple Guide
Direct attach cables (DAC) are interconnect solutions that are widely used in data centers and network environments. This article will explore what DACs are, how to use them (advantages and disadvantages), the classification of DACs and their comparisons to other optical transceivers’ connectivity solutions, and the common data-rate types of DACs. What is a […]
100G LR4 vs CWDM4 vs PSM4 Transceiver：Explore the Differences
100G LR4, CWDM4, and PSM4 are three common types of 100Gbps optical transceivers, and they are all important components of data center and telecom networks. What are the differences? This article will explore the main differences between these Optical Modules and help you choose the right one. Overview of 100G LR4, CWDM4 and […]
NRZ vs. PAM4: What are their differences?
With the rapid increase in data transmission demand, to improve the transmission efficiency and rate, there are different modulation methods. Among these modulation methods, NRZ and PAM4 are the two most widely used coding methods. This article will discuss the NRZ and PAM4 modulation modes in optical modules, including their definitions and comparisons. Definition […]
Finned-top and Flat-top Design in 400G/800G Optical Transceivers
Finned top and flat top designs refer to different ways of thermal design of optical modules. This will directly affect the transmission stability and overall performance of the module. This article will explain what they are and how to choose them. Finned top vs. Flat top Finned top refers to the top of the optical […]
InfiniBand vs. Ethernet: What Are They and Their Differences?
InfiniBand and Ethernet are both high-speed network interconnection technologies, which have their own characteristics and are constantly evolving in different application fields. Here’s what they are and how they differ. What is the InfiniBand Network InfiniBand is a high-speed network interconnection technology designed for high-performance computing (HPC), data centers, and more. InfiniBand is widely used in […]
NVIDIA Spectrum-X Ethernet Arithmetic Knowledge Points
What is NVIDIA Spectrum X NVIDIA Spectrum-X Ethernet is NVIDIA’s Ethernet networking platform for AI. Spectrum-X delivers a 1.6x increase in generative AI networking performance over traditional Ethernet networking platforms. Equipped with NVIDIA Spectrum SN5600 Ethernet switches and NVIDIA BlueField®-3 SuperNICs, Spectrum-X is an end-to-end platform that combines the high performance and cloud capabilities required […]
DAC vs ACC: what are they and their differences
Many connection schemes can be used to switch networks and achieve high-speed connections in different scenarios. Include Optical Module + Fiber, Active Optical Cable (AOC) and Direct Attach Cable (DAC). Direct Attach Cable can be further classified into Active ACC, AEC, and Passive DAC. Below we will explore what DAC and ACC are and what […]
Differences: sfp vs qsfp vs qsfpdd vs osfp
SFP+, SFP28, QSFP+, QSFP28, QSFP-DD vs OSFP are the different Form Factors of the Optical Transceiver Module, these Hot-Pullage Optical Modules are mainly used in Data Centers and Telecommunications to realize High-Speed Data Transmission. What are their differences? We will explore the main differences between these Optical Modules and help you choose the right one […]
