Optical Transceiver

In the computer networking world, the three most ubiquitous pieces of equipment are Ethernet switch, router and modem. These are applied everywhere from data center to network connections in your own home. However, despite the importance of these three pieces of equipment, some people are oblivious or confused to their internal functions and connection mode. So in this article, we will attempt to explain the difference between each piece of equipment and introduce the common way to connect Ethernet switch, router and modem. What Is the Difference Between Ethernet Switch, Router and Modem From a physical perspective, a modem, router and Ethernet switch look very similar. Nevertheless, there are key differences between them internally and functionally with relevant purposes on a network. Switch: Bridge Your Devices in a Network An Ethernet switch is commonly referred to as a multi-port network bridge that processes and routes data on a data link layer (layer 2) and sometimes...

With further enhancement of safety consciousness from general public, IP cameras are widely used in areas like schools, enterprises, public areas and even families. Using a PoE switch for IP security cameras to ensure the safety of people and business is a common and popular behavior nowadays. In this article we will intend to explore the advantages of using a PoE switch and help you choose a proper PoE switch for IP cameras as well. Figure1: PoE switch application Benefits of PoE Switch for IP Cameras When talking about PoE technology, some users may think that it is dispensable to buy a PoE switch with a relatively high price since a PoE injector can also achieve power supply and even space saving for IP cameras. But the reality is that if you have many PoE-enabled devices like 10 IP cameras, it is the optimal choice to use a PoE switch. In addition, it also provide the following benefits for IP cameras: Easy Management and Low Cost A PoE managed switch allows the po...

Patch panel is intensively applied in the Ethernet cabling installation and regarded as a critical component in the entire cabling systems. Typically, patch panels are available in various port densities from 12 port to 48 port. Among those different ports, the 24 port patch panel is the most fashionable choice to connect gigabit switch for small LAN cable management. This article will focus on the advantages and wiring for using a 24 port patch panel to a 24 port switch. Why We Need a 24 Port Patch Panel for a 24 Port Switch Some people may ask that, is it necessary to use a patch panel or is it possible to replace the 24 port patch panel by a 24 port switch? Actually, it is better to use a 24 port patch panel to a 24 port switch. The reasons include below aspects: Identification As the network grows, more ports are becoming a trend to accommodate ever-expanding demand. Therefore, cable management has become a necessity. When there is a need for testing or disconnecting a...

With the decrease of total expenses in 10GbE network market, there is a dramatic growth in sales volume of 10Gb switch. In the midst of various 10G Ethernet switches, a 48-port 10Gb switch is regarded as an optimal solution which offers proper port density and great scalability potential for a relatively larger network. In this article, we are going to recommend several cheap 48-port 10Gb switches and provide a reference for your selection of 48-port 10GbE switch. Why Do I Need a 48-Port 10Gb Switch? As for an enterprise with a 10G network core, they can avoid network congestion at busy times, improve the productivity of employee and then shorten the response time to customers. 10G SFP switch has been becoming the choice for latency sensitive application with enhanced reliability and network performance. 10Gb switch comes into a variety of port configurations, 48-port 10Gb switch of which is the most future-proofing one with abundant applications in business oriented network. It i...

It is generally known that Power over Ethernet (PoE) technology is developed to satisfy the needs of connectivity to network devices like IP cameras, VoIP phones and Wireless Access Points (WAP). As a consequence, PoE switch is required to be capable of supporting PoE devices. There are 8 port, 24 port and 48 port PoE switches in the market. And for each type, managed PoE switch and unmanaged PoE switch are available. 8 port and 24 port PoE switches have been explained in previous posts. So today’s topic is about 48 port PoE switch managed vs unmanaged. 48 Port PoE Switch: Why Choosing Managed Over Unmanaged? 48 port managed PoE switch can expand the long-range flexibility of your network and adapt to changing environments. With organization grows, your business needs will continue to increase. So it is wise to deploy 48 port PoE switch which can respond to your dynamic business demands. 48 port PoE switch managed can be configured and it can prioritize LAN traffic to make the ...

The large amount of devices used by industrial applications such as transportation, public facility and manufacturing automation will give rise to the cables in a condition of disorder. With industrial devices becoming more power-hungry, the PoE technology wins a good reputation among users with the capability to provide higher power and reduce the number of cables required. In this article we will discuss what is PoE switch and what is a PoE switch used for. What Is PoE Switch? PoE switch is a network switch which applies Power over Ethernet technology. When connected with multiple network devices, PoE switch can support power and data transmission over one Ethernet cable at the same time which dramatically simplify the cabling process and cut network cost. PoE switch can be classified into many types, such as 8/12/24/48 port PoE switch, or unmanaged and managed PoE switch. PoE Switch Applications PoE switch is mainly used with IP cameras, VoIP phon...

With the passage of time and the development of information era by leaps and bounds, the demand for more bandwidth and data transmission to satisfy the ever-increasing number of operating systems and applications is becoming a cumulatively common trend. As the media types of transmitting signals, the popularization of SFP cable and Ethernet cable/twisted pair cable have been the tendency towards data center interconnection applications and can be ascribed to the domination of Cat5e copper cabling and 1000BASE-T over the years. So in this article, we will concentrate on the brief introduction to the cables: twinax vs twisted pair and their corresponding application considerations. Twinax vs Twisted Pair: What Is SFP Twinax Cable? Twinax vs twisted pair: how to understand the concept? SFP cable, sometimes called as 10G SFP+ cable, SFP+ DAC twinax cable, is a kind of high speed cable with Small Form Factor Pluggable Plus on either end. SFP twinax cable which displaces two optical mod...