Optical transceivers are an integral part of fiber optic networks. Owing to the growing demand and quality requirements of the optical transceivers, most times manufacturers and suppliers ensure that each individual device has been tested properly. Thus, testing their performance is important. Fiber optics is a multi-parameter technology, so several factors must be considered while testing the optical transceivers. This is why multiple tests are performed by industry experts to inspect and analyze the quality and performance efficiency of optical transceivers. Read More
Industrial Ethernet networks often demand extended reach for data transmission. Industrial Ethernet networks consist of multiple data terminal equipment (DTE) and data communication equipment (DCEs) integrated together. To transmit data from the DTE to DCEs, Ethernet-compliant transmission media such as copper cables, fiber optics cables, etc are utilized. In modern industrial Ethernet networks, fiber optics has become a highly preferred choice due to its efficiency, data security, transmission speed, and higher bandwidth, etc. Read More
RJ45 is one of the popular Ethernet interfaces where RJ stands for registered jack. A registered jack (RJ) is basically a standardized telecommunication network interface. There are multiple types of registered jack (RJ) interfaces such as RJ45, RJ11, RJ14, RJ25, RJ45, etc. However, the RJ45 interface enables connection to local exchange carriers or long-distance carriers for voice and data transmission. In wired communication, the RJ45 interface is of great significance. It is most applicable in wired twisted-pair connections. There are different devices available that are compliant with the RJ45 jack interface such as RJ45 cables, switches with RJ45 connectors, etc. However, before utilizing or integrating these devices in your Ethernet network, it is essential to understand the RJ45 interface properly. This post offers insights into the RJ45 interface, its importance in Ethernet connections, and its related devices. Read More
The data between two computers is exchanged in either of the two transmission modes – serial or parallel. Although most of us use computers, laptops, and several network devices, we are largely unaware of these data transmission types. These types are similar and dissimilar in many ways. This post introduces you to these types and also compares them to help you understand their differences. Read More
A fiber optic network utilizes several equipment featuring components like transmitters and transponders. These components although not clearly visible or recognized by many, perform a very important role in the functioning of the network. Many times, fiber optic transponders and transceivers are perceived to be the same due to their similar names. However, they differ in terms of applications and designs. How do they differ? What purpose do they serve in fiber optic networks? Which is more important - an optical transceiver or an optical transponder? This post gives an overview of optical transceiver vs. transponder, thereby helping you find answers for all the above questions. Read More
Transceiver modules are an integral part of a network and play a crucial role in data transfer in telecom as well as video, audio, and text communication applications. These are used to connect to a switch or a cable in a network. There are various types of transceiver modules. SFP or Small Form Factor Pluggable modules are the most widely used. Most of these modules support 10/100/1000 Base T Ethernet as well as fiber ports. Some of these are interconvertible; for instance, SFP+ can be converted to QSFP as the latter is a newer version, and so on. This post discusses various methods of converting these transceiver modules. Read More
The fiber optics networks and hybrid (copper-fiber) networks feature multiple network switches. These switches are integrated with the transmission cables to direct the data to addressed receiving devices. The switches also act as pilot devices when it comes to terminating or forwarding the stream of data. Since the operation of the Ethernet networks is highly dependent on these switches, it is essential to have the switches updated to the best potential. Since the high-capacity networks rely on wireless networks, the switches commonly operate on IP protocols or Wi-Fi. No matter if the network switches are wired or wireless, it is essential to upgrade them for the best performance. That is why this post discusses different reasons to upgrade switches, demanded frequency of upgradation, and the process of replacement in terms of the network switch replacement cycle. Read More
PoE or Power over Ethernet is basically a technology wherein both electricity and data are transmitted over a same cable through separate lines. So, cables here actually perform a dual function of data and power transmission over the network. There are various PoE devices such as PoE injectors, PoE switches, PoE media converters, and so on which are installed especially in blended networks such as copper and fiber ones. PoE injectors and switches perform specific roles, and either of them can be used in a network. But, how to choose or differentiate between these two devices. This post discusses the details of injectors and switches as well as their differences. Read More
Ethernet technologies have evolved over the years. The term Fast Ethernet has been popular since 1995, when it was covered under IEEE802.3u standard. Fast Ethernet is designed to carry the traffic at the rate of 100 mbit/s at the physical layer in the local area networks (LANs). Based on this speed, the cables are termed as 100Base TX. For a long time, these cables were referred to as 100 Base-T cables. The 100Base TX cable has replaced the earlier versions of coaxial cables – 100Base-T and 100Base-2. Read More
Gaining an understanding of different serial communication protocols is important for industrial, commercial, and domestic users to mitigate challenges arising from increasing data transmission requirements. Over the years, various serial communication protocols have gained priority. RS232, RS423, RS422, and RS485 are few popular serial communication protocols widely used across the globe. Of these, R232 is the most popular protocol used for all major computers available today, and RS485 is one of the most versatile communication standards defined by the EIA. While a lot has been written about RS232, RS485 is sparingly discussed. This post focuses on RS-485 standards and their implementations. Read More
Fiber optic modems act as a bridge between an internet network and electronic devices. Unlike regular DSL modems, they use a fiber optic cable to transmit signals. This is why, these modems are being used in several applications like inter-network communication systems and data communication systems, wherein high speed data transfer and seamless connectivity are crucial. Depending upon the data transmission protocol, fiber optic modems are categorized into different types, and RS 232 is one among them. Read More
RS-232 connections are an integral part of serial to Ethernet networks. Most Ethernet networks are exposed to harsh environments and cater to high traffic data transmission demands. Being an active part of such networks, the RS-232 serial device and its connections are exposed to damaging parameters. As RS-232 is an essential part of modern serial to Ethernet networks, the vulnerabilities of RS-232 cables cannot be overlooked. It requires protection against power issues. If appropriate measures for the protection of RS-232 are not taken, the chances of electrical hazards, device damage, and abrupt failure of the network might be inevitable. That is why the protection of RS-232 cabling is essential. If you are unaware of ways to protect RS-232, then this post is for you. This post discusses different techniques of protection of RS-232 cabling in electronic devices or serial to Ethernet networks. Read More
HDMI or high definition multimedia interface is a proprietary data transfer standard technology which enables sending uncompressed video and audio files over a cable in a network. It is ideal for transmission of bulky high definition video files, 3D data, and Ethernet data over a single cable. However, it does require specific connectors. HDMI video systems are commonly used for cameras, surveillance, gaming consoles, television, and related applications. HDMI along with HD data transmission, facilitates inter-device communication on the network. It uses transition minimized differential signaling (TMDS) which prevents signal degradation as it is transmitted over a cable. It also facilitates encoding. This post discusses the details of HDMI, HDMI video systems, and the way to split the HDMI signal for sharing files between two monitors. Read More
With businesses both medium and large spreading their wings across the globe for newer and better prospects, resources, and customers, the need for optimally utilizing technological advancements has increased tremendously. Network and telecommunication have a huge role to play in this. High-speed internet connectivity and seamless communication over long geographical distances are aspects that businesses demand today as they are drivers of growth and productivity. Most legacy networks involving a twisted-pair copper cable running up to a few meters fall short in terms of transmission distance. This is where fiber optics is gaining traction, and it offers many benefits. This post discusses the benefits of fiber internet connectivity and how you can blend it with your existing network. Read More
Safety of human resources, critical data, as well as possessions is of utmost importance. With the increasing security and privacy risk, video surveillance systems are gaining momentum at residential and business levels. The importance of a surveillance system can’t be understated as it’s fundamentally important to ensure the overall safety of your business property. There are a variety of CCTV cameras available in the market along with the required accessories. So, the selection of a surveillance system depends upon the application requirement, the type of network you have, and its compatibility with the camera and other related devices. For instance, cameras you need for critical applications have different configurations than those required for a commercial setup. No matter what type of surveillance system you choose for your business, it is essential to pay attention to a few considerations before you buy them. Would you like to know what they are? This post discusses some important factors to consider before purchasing a video surveillance system for your business. So, stay tuned. Read More
The security and surveillance sector is centuries old; however, before the advent of technology, closed-circuit television units, and so on, places were guarded manually, mostly with some basic arms. While security guards are still there and have their own significance, installing a CCTV system adds a lot of value. Whether in an industrial unit, campus, or a gated community, installing a proper surveillance system is crucial considering the situation today, and this it globally applicable. Nowadays, surveillance systems have become complex and may be connected to a network mesh with an Ethernet cable. With fiber optics gaining momentum, legacy networks are either replaced or blended with this new and evolving technology. In fiber-optic or blended networks, you can opt for a fiber optic cable for CCTV connectivity with the network. This post discusses some pointers on using fiber optic cable for CCTV applications and more. Read More
Data center networks are rapidly adopting fiber optics technology. Multiple fiber optic devices are integrated to build a fiber-based network for data centers. The optical transceivers are of great significance in these high-capacity networks. Today, most modern data center networks demand high-capacity data transmission. Like all other devices, the optical transceivers are subjected to these data transmission challenges. Despite these challenges, optical transceivers continue to be highly popular in networking industries. Many industry studies on optical trends suggest that the demand and significance of optical transceivers are increasing by the day. If you are unaware of challenges for optical transceivers and optical transceiver trends, then this post is for you. This post discusses the challenges for optical transceivers in data centers and few forecasted market trends. Read More
​Video communication is prevalent across industries for a couple of decades since globalization, as more and more businesses have offices or clients across the globe. This is one effective way of communication, which has gained even more traction from the last year since the pandemic. With strict restrictions and regulations imposed on human mobility, everything from business summits to formal project meetings to e-learning and recruitment now mostly relies on video conferencing. There is no secret that video files are large as well as bandwidth-intensive. The increasing demand to stream both live and on-demand videos can have a significant impact on the network performance as well as user experience. Seamless delivery of videos over the network requires a combination of sophisticated technologies, and this is where a video distribution system make a significant difference. Read More
The CCTV & remote security systems are not a new trend in surveillance. Each security and surveillance network is integrated with CCTV cameras, IP cameras, etc. Since the need for long-distance surveillance, remote surveillance, etc is increasing, the security and surveillance networks are becoming more and more demanding. To improve CCTV & remote security surveillance, several ways can be adopted. However, in high-capacity surveillance networks, Long Reach PoE (LRP) has gained immense traction. For the wide-area surveillance networks, the public security authorities like law enforcement officials rely on CCTV networks with long-reach PoE switches. However, if you are unaware of long reach PoEs and their application in security and surveillance networks, this post is for you. It discusses what long reach PoEs are and how do they improve CCTV & remote security systems. Read More
Wavelength division multiplexing (WDM) has emerged as a popular term in recent years. WDM is further distinguished into CWDM and DWDM. Of these, CWDM stands for coarse wavelength division multiplexing and DWDM for dense wavelength division multiplexing. CWDM combines multiple laser beam signals of different wavelengths for fiber optic transmission on a single fiber. CWDM has fewer channels than DWDM and both these technologies are used to increase the bandwidth of fiber optic cables. The multiplexing is conducted using a suitable multiplexer such as CWDM multiplexer and DWDM multiplexer. Of these, the CWDM is a common multiplexing technology employed in telecom access, enterprise, and city networks. This technology is further distinguished into passive CWDM and active CWDM. How do these passive and active components differ? Read the post to know the answers. Read More
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