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It is believed that everyone should be very familiar with the packaging of optical modules after reading the previous articles of ETU-LINK. So how much do you know about the packaging of optical components in optical modules? In this article, ETU-LINK will take you to understand the packaging process of optical devices. At present, the common optical device packages include Box, COB, TO-CAN...
In this blog, ETU-LINK will talk about the 50G SFP56 SR optical module using PAM4 modulation technology. Since the PAM4 signal has four level values, the PAM4 signal can be used in the same physical bandwidth of the channel. Downlink transmission is twice the amount of information compared to NRZ signals, enabling single-channel 50G applications. Therefore, PAM4 signal modulation has become t...
As data centers and telecom operators require higher transmission rates for optical modules, what technologies do optical module manufacturers use to achieve higher transmission rates? This article ETU-LINK will reveal the answer for you. 1. Increase the baud rate. The baud rate refers to the modulation rate of the data signal to the carrier. This method is mostly used for low rate optical modules...
H3C S10500 series switch products are core switching products specially designed and developed by H3C for cloud computing data center core, next-generation campus network core and metropolitan area network aggregation.Using advanced CLOS multi-level and multi-plane switching architecture,it can provide continuous bandwidth upgrade capability, support data center large two-layer technology TRILL,ve...
Cisco catalyst ® 9400 series switches are Cisco's main modular enterprise exchange access, distribution and core platform for security, Internet of things and cloud. This series of switches is the basic component of Cisco's leading enterprise architecture sd-access. The platform adopts a chassis architecture that supports up to 9 TBPs system bandwidth, and has a powerful po...
When we start to learn fiber patch cord, may be many partners do not know what simplex and duplex exactly stand for? This blog ETU-LINK will analyze what is simplex, duplex. In fact, the optical fiber patch cord simplex and duplex refer to the working mode of the interface. Simplex and duplex are the two modes of communication channel in the telecommunication computer network. Simplex refers to th...
What is OM5 fiber patch cord? Where can it be used? As we know that OM3 and OM4 multimode fibers are mainly used to connect optical modules in the 850nm band. However, with the continuous improvement of the transmission rate of optical modules, since the parallel transmission technology uses multiple single-channel parallel transmissions, more dense fiber cabling is required, management and mainte...
Winner in the data center space–10G DAC high-speed cable This blog, ETU-LINK Optical Communication will share you about the transmission cable commonly used in data centers - 10G DAC high-speed cables, because the data center not only has to consider high density, high capacity, but also take into account the cost control, so it is very important to choose a reasonable data center wiring prod...
With the continuous surge in data center traffic, the market demand for 100G optical modules is also further increasing. Common 100G optical modules include SR4, LR4, ER4, etc. However, in practical applications, due to the length of the optical fiber link. Several types of optical modules alone cannot meet the most cost-effective optical network transmission solutions in data centers. Therefore, ...
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...
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,...
In the construction of metropolitan area network, wavelength division multiplexing equipment is an important part, mainly including CWDM coarse wavelength division multiplexing equipment and DWDM dense wavelength division multiplexing equipment, so what is the difference between the two? In this article, ETU-LINK will tell you the difference between CWDM equipment and DWDM equipment. 1.&nbs...
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