Featured products
Providing Quality Products&Solutions For You
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1 10/100/1000TX and 1 1000FX | Industrial Media Converter JHA-IG11H
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2 10/100/1000TX and 1 1000X SFP Slot | Industrial Media Converter JHA-IGS12H
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5 10/100/1000TX | Unmanaged Industrial Ethernet Switch JHA-IG05H
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4 10/100/1000TX And 2 1000FX | Unmanaged Industrial Ethernet Switch JHA-IG24H
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6 10/100TX and 2 100FX | Unmanaged Industrial Ethernet Switch JHA-IF26H
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1 10/100/1000TX and 4 10/100TX | Unmanaged Industrial Ethernet Switch JHA-IG1F8H
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16 10/100/1000TX | Unmanaged Industrial Ethernet Switch JHA-IG016H
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24 10/100/1000TX | Unmanaged Industrial Ethernet Switch JHA-IG024H
Telecom/Datacom Systems
JHA Technologies is a premier supplier of standard or tailored digital fiber optic transmission products and solutions of video, audio, data, contact closure and Ethernet for mission critical applications in the security and surveillance industry.
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Intelligent Transportation system
In the field of Intelligent Transportation system, the distance between equipment is far, and the environment is harsh. JHA provided high performance and tailor-made industrial Ethernet products with special, wide temperature and high protection level.
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Smart City
In the field of Intelligent Transportation system, the distance between equipment is far, and the environment is harsh. JHA Technologies offers a complete and comprehensive line of fiber optic transmission products to meet the unique requirements of flexibilities and scalabilities of the intelligent transportation systems (ITS) including subways, railways, tunnels harbors and airports.
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Energy
Typical applications for energy and utility industries include:Electric Power,oil & gas, marine, and wind power. JHA Technologies offers industrial Ethernet products specially designed with high standards of safety, reliability and durability for most harsh or hazardous applications of energy industries.
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About us
Shenzhen JHA Technology Co., Ltd is one of the leading manufacturers of hardened Ethernet, PoE, and fiber connectivity products specifically designed for harsh and demanding environments. Founded in 2007 in Shenzhen China, JHA Tech specializes in the design and manufacture of industrial Ethernet switches, media converters, SFP transceiver and power over Ethernet products for applications where connectivity is crucial. With our core focus on Ethernet connectivity for extreme environments with stringent requirements product reliability and quality are top priority.
Our advantage
Our Footprint
Shenzhen JHA Technology Co. Ltd, founded in 2007 in Shenzhen China,so far with 2 SMT lines, 2 DIP lines, 2 assembling lines, 2 packaging lines, and 4 testing lines. Overseas OEM/ODM customers have exceeded 200.
News Center
The common choice of fitness enthusiasts
Fanless design, silent switch, is it worth buying?
What are the advantages of using fanless switches in industrial? JHA Tech will explain to you. All-aluminum alloy closed chassis, metal panel for heat dissipation, dustproof, anti-vibration, moisture-proof, anti-electromagnetic interference, and resistant to high and low temperature working envir...
One device to keep your network stable from thu...
Network management during the rainy season is a challenging task, especially in areas prone to thunderstorms and extreme weather environments. The combination of heavy rainfall and thunderstorms can pose a significant threat to the stability of network equipment.However, network and device stabil...
How to improve your network stability&mana...
A managed switch is a manageable switch that not only forwards data like an ordinary switch, but also monitors and configures the network through management software to manage and optimize the network.
In industrial automation production lines, the stability of network communication is particul...
Are you looking for a small size industrial fib...
Introducing the JHA-IFS11C, an advanced, rugged industrial media converter that revolutionizes the way critical environments manage their networking needs. This truly small device is designed to meet the needs of outdoor camera enclosures with limited space, making it the perfect solution for app...
Securika Moscow 2024 Invitation–from JHA ...
Shenzhen JHA Technology Co., Ltd. is pleased to announce its participation in the upcoming Securika exhibition. As one of the leading manufacturers of hardened Ethernet, PoE and fiber optic connectivity products designed for harsh and demanding environments, we are eager to showcase our innovativ...
Introducing our latest product JHA-MIWS4GS2400H
JHA-MIWS4GS2400H a rugged and reliable industrial Ethernet switch designed to meet the demanding requirements of harsh environments. Featuring industrial-grade materials and a 19-inch rack design, the switch can withstand a wide temperature range and offers dual power supply redundancy for increa...
Why Choose JHA?
Shenzhen JHA Technology Co., Ltd, a 15 years’ experienced global provider of industrial data communication solutions, is revolutionizing the network switch industry with their latest product, the JHA-MIW4G024H. This high-performance, cost-effective high-end managed industrial Ethernet switc...
Happy New Year from JHA TECH
In an era where technology is changing rapidly and the need for reliable network connections is greater than ever, Shenzhen JHA Technology Co., Ltd. proudly launches JHA-MIWS6GS2408H, a high-performance, cost-effective high-end managed industrial Ethernet switch. Designed for harsh and demanding ...
PoE Switch for CCTV System: Advancing Efficienc...
Introduction:
In today’s age of increased surveillance demands, CCTV cameras have become a popular choice due to their flexibility and convenience. The integration of PoE switches within the CCTV system allows for seamless transmission of data and power, making the installation process more...
Why choose us?Benefits of using JHA-MIGS28H-WEB...
In today’s digital age, having a reliable, efficient network infrastructure is critical for businesses to thrive and stay competitive. One of the key components of a robust network system is an industrial Ethernet switch. These switches play a vital role in relaying data from the network to...
Ethernet switches: Learn about their features a...
In today’s digital age, Ethernet switches play a vital role in establishing and maintaining seamless network connections. Understanding their features and benefits is crucial, especially for individuals seeking to optimize network performance. This article aims to provide a comprehensive g...
Can a PoE switch be used as a regular switch?
A PoE switch acts as a switch, and of course can also be used as a regular switch. However, when used as a general switch, the value of the PoE switch is not maximized, and the powerful functions of the PoE switch are wasted. Therefore, there are cases where there is no need to supply DC power to...
What do you know about PoE Switch?
PoE switch is a new type of multi-function switch. Due to the widespread application of PoE switches, people have some understanding of PoE switches. However, many people think that PoE switches can generate power on their own, which is not true. A power supply PoE switch usually refers to a PoE ...
The difference between industrial switches and ...
1.Sturdiness
Industrial switches are designed and manufactured using industrial-grade components. These components are specifically selected to withstand harsh environments and provide superior performance even under demanding conditions. The use of industrial-grade components ensures a longer l...
How to distinguish standard POE switches from n...
Power over Ethernet (POE) technology has revolutionized the way we power our devices, providing convenience, efficiency and cost savings. By integrating power and data transmission on an Ethernet cable, POE eliminates the need for a separate power cord, making it ideal for a variety of applicatio...
JHA Web Smart Series Compact Industrial Etherne...
Introducing the latest cutting-edge network technology, the JHA Web Smart Series compact Ethernet switches. These space-saving and cost-effective switches are designed to meet the growing needs of Industrial Ethernet.
JHA Web Smart Series compact switches feature Gigabit and Fast Ethernet bandw...
New product recommendation–Introduction t...
Shenzhen JHA Technology Co., Ltd. (JHA) was established in 2007 and is headquartered in Shenzhen, China. It is a leading manufacturer of optical fiber communications and secure transmission products. JHA focuses on industrial and commercial-grade fiber optic Ethernet switches, PoE switches and f...
How much do you know about network switches?
In this article, we will discuss the basics of network switches and explore key terms such as Bandwidth, Mpps, Full Duplex, Management, Spanning Tree, and Latency. Whether you are a networking beginner or someone looking to expand your knowledge, this article is designed to help you gain a compre...
What is a POE switch?
In today’s fast-paced world, technology is evolving at a rapid pace. As people’s demand for efficient and convenient network connections continues to grow, equipment such as POE switches have become essential. So what exactly is a POE switch and what benefits does it have for us?
A P...
Intersec Saudi Arabia Exhibition–Shenzhen...
Intersec Saudi Arabia is one of the largest security exhibitions in Saudi Arabia, providing a platform for the security industry to showcase the latest technologies and solutions. The exhibition is held annually and attracts exhibitors and visitors from all over the world.
Intersec Saudi Arabia...
JHA TECH at SMART NATION EXPO 2023
SMART NATION EXPO 2023 was grandly held at Kompleks MITEC. The exhibition involves smart energy, environment, information technology, construction, health care, 5G networks, smart cards and other fields. The exhibition also held a number of forums, seminars, and products. and technology conferenc...
Let’s see you at SMART NATION EXPO 2023
We are participating in SMART NATION EXPO 2023, which is Southeast Asia’s largest 5G, smart city, IR4.0, emerging technology and application technology event. We sincerely invite all our valued customers and partners to visit our booth and discover the latest innovative products we offer.
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Celebrate the Successful Conclusion of the Secu...
On July 19, 2023, the Secutech Vietnam exhibition came as scheduled. Hundreds of security and fire protection manufacturers gathered in Hanoi. This was the first time for JHA to participate in the Vietnam exhibition, and the exhibition ended successfully on the 21st. The Vietnamese government gav...
How to distinguish non-standard POE from standa...
1. Non-standard PoE and standard PoE
For the standard PoE that complies with IEEE 802.3af/at/bt standards and has a handshake protocol. Non-standard PoE does not have a handshake protocol, and provides 12V, 24V or fixed 48V DC power supply.
The standard PoE power supply switch has a PoE control c...
You Need a New Outdoor Gigabit PoE Extender
In today’s digital age, reliable network connectivity is crucial, especially in outdoor environments. However, Ethernet and Power over Ethernet (PoE) connections often limit cable distances to a maximum of 100 meters between network ports. To overcome this distance limitation, our company h...
Introducing Our New Industrial Ethernet Switch ...
We are thrilled to announce the launch of our latest product, the Industrial Ethernet Switch–JHA-MIW8SH. As a leading networking solutions provider, we understand the importance of reliable connectivity in industrial environments. Our new switch can offer advanced features and robust perfor...
Join Us at Secutech Vietnam 2023 – Booth ...
We are excited to announce our participation in the upcoming Secutech Vietnam 2023 exhibition, one of the leading events in the security and safety industry. We cordially invite all our valued customers and partners to visit our booth and discover the latest innovations we have to offer. Mark you...
What should be paid attention to when choosing ...
The optical module is the core accessory of the optical communication system and plays a vital role in optical fiber communication. It mainly completes the photoelectric conversion function. The quality of the optical module determines the transmission quality of the optical network. Inferior opt...
What is the difference between a POE switch and...
1. Different reliability:
POE switches are switches that support power supply to network cables. Compared with ordinary switches, power-receiving terminals (such as APs, digital cameras, etc.) do not need to perform power wiring, and are more reliable for the entire network.
2. Different function...
When purchasing a switch, what is the appropria...
The protection level of industrial switches is drafted by IEC (International Electrotechnical Association). It is represented by IP, and IP refers to “ingress protection. So, when we buy industrial switches, what is the appropriate IP level of industrial switches?
Classify electrical appli...
Upgrade — Managed 8-port industrial Ether...
In order to meet the needs of our customers, we have upgraded the 8-port managed industrial switch, and the size of the product has become smaller, which can reduce transportation costs and save space;
The following are the key features of the product:
*Support 2 1000Base-FX fiber port and 8 10...
What are the management methods of switches?
There are two types of switch management methods:
1. Management of the switch through the console port of the switch belongs to out-of-band management, which is characterized by no need to occupy the network interface of the switch, but the cable is special and the configuration distance is short...
How to choose the right switch correctly?
At present, there are many types of switches on the market, and the quality is uneven, so what indicators should we pay attention to when purchasing?
1. Backplane bandwidth; Layer 2/3 switching throughput;
2. VLAN type and quantity;
3. Number and type of switch ports;
4. Support protocols and me...
What is the difference between a Layer 2 switch...
The essential difference between a layer-2 switch and a layer-3 switch is that the working protocol layer is different. A layer-2 switch works at the data link layer, and a layer-3 switch works at the network layer.
It can be simply understood as a layer 2 switch. You can think that it only has t...
What are the differences between electrical por...
The copper port module is a module that converts an optical port into an electrical port. Its function is to convert optical signals into electrical signals, and its interface type is RJ45.
The optical-to-electrical module is a module that supports hot swapping, and the package types include SFP,...
Can Industrial Ethernet Switches from Different...
As an important data communication product, industrial Ethernet switches must be open and compatible with products from multiple manufacturers to ensure long-term stable and safe operation of the system. If you only rely on a certain manufacturer, the risk is extremely high. Therefore, based on s...
How to Choose a Security Switch?
Security switches, also known as PoE switches, are designed for simple network environments such as homes, school dormitories, offices, and small monitoring.
First, it is wrong to use the capacity of the switch to calculate the number of cameras with cameras. It is still necessary to refer to the...
What is a Layer 3 switch?
With the general development and application of network technology, the development of switches has also undergone great changes. The earliest switches developed from very simple switches to layer 2 switches, and then from layer 2 switches to layer 3 switches. So, what is a Layer 3 switch?
...
How to Install the Din-rail Industrial Switch?
There are various classifications of industrial switches, which can be divided into manageable industrial switches and unmanaged switches. According to the installation method, they can be divided into rail-mounted industrial switches and rack-mounted industrial switches. So how are rail-mounted ...
What are the 5 common advantages of industrial ...
With the continuous development of technology, more and more industria switches have gradually replaced ordinary switches. It is because industrial switches have advantages that ordinary switches do not have. So, what are the five common points of industrial switches?
1. Super anti-interference
I...
Summary of common problems in the use of indust...
About the power supply distance of POE switches
The PoE power supply distance is determined by the data signal and transmission distance, and the transmission distance of the data signal is determined by the network cable.
1. Network cable requirements The lower the impedance of the network cable...
What are the Key Features of 10G 8 Port Industr...
With the rapid development of the economy, Gigabit switches can no longer meet the needs of the industry, and 10 Gigabit switches came into being. The 10G industrial switches recently developed by our company solve the urgent needs of industries such as electric power, petrochemical, and new ener...
What are the application scenarios for the 8-po...
8-port POE power supply network switch “Never burn devices” intelligent POE switch, the advanced self-awareness algorithm only supplies power to IEEE 802.3af terminal equipment, so there is no need to worry about damaging private standard PoE or non-PoE equipment. Intelligent power su...
Why Use Industrial Ethernet Switches?
Ethernet technology has been greatly improved and accepted by corporate and university offices, and is now gradually expanding into more demanding industrial environments. The appeal of industrial Ethernet switches includes the ability to monitor data transmissions, existing utilities used to bui...
How to choose the right PoE switch?
Switches are commonly used in weak current projects, especially POE switches. POE is also called a local area network-based power supply system (POL, Power over LAN) or Active Ethernet (Active Ethernet), sometimes referred to as Power over Ethernet. This is the latest standard specification for s...
What are the reasons for the failure of the opt...
The optical module is mainly used to convert the electrical signal in the device (generally refers to the switch or router device) into an optical signal, and then transmit it through an optical fiber (realized by the transmitting end of the optical module), and can receive an external optical fi...
New Arrival Management 16 Port 10G Industrial E...
In order to meet the needs of customers, we independently developed and produced a management 10G industrial switch, the optical port is backward compatible with Gigabit, cost-effective, stable performance, and supports 16 10/100/1000Base-T adaptive RJ45 ports + 4 10G SFP slot. In full compliance...
Industrial switches are so expensive, why are s...
Industrial switches feature carrier-grade performance to withstand harsh operating environments. Rich product series and flexible port configuration can meet the needs of various industrial fields. So the price is relatively more expensive than commercial switches, so why do many customers still ...
Will you really purchase industrial-grade fiber...
Industrial-grade media converter is an industrial switch that can extend the transmission distance. It has the advantages of convenience, simple maintenance, strong anti-interference performance, powerful performance, and stable operation. The product design conforms to the Ethernet standard, and...
Why are the prices of industrial switches diffe...
Recently, many customers have asked: Why is there such a big difference in price because they are all industrial switches? Next, the JHA manufacturer will analyze the difference for you:
Firstly,the Casing is Different
There are three types of shells for industrial switches on the market: iron sh...
The Introduce of New Arrival Managed Industrial...
JHA-MIWS08H is an cost-effective,high performance managed industrial Ethernet switch. The switch supports 8 10G SFP+ Slot and also support WEB, CLI, Telnet/serial console, Windows utility, and SNMP management of a variety of ways, rich QoS features for data traffic control and management, support...
Can industrial switches and commercial switches...
With the popularity of industrial switches, many people will ask, can industrial switches be used in corporate offices? Can it replace commercial switches? The answer is: yes. As long as commercial switches are used, industrial switches can be used instead, but the cost will be relatively higher,...
What is 4 port unmanaged industrial Ethernet sw...
With the rapid development of smart cities and intelligent transportation, industrial Ethernet switches have gradually come into view, and are used in various scenarios such as subways, electric power, rail transit, energy, petrochemical industries and so on.
JHA-IG14H is a 5-port Unmanaged Indus...
What is 8-port Unmanaged Industrial Ethernet Sw...
JHA-IG08H is an unmanaged gigabit industrial plug-and-play Ethernet switch,which is 8 10/100/1000Base-T(X) full/half duplex, MDI/MDI-X auto-adaptation RJ45 Ethernet port.It is IP40 rated and DIN-rail/Wall mountable,supports DC10-58V redundancy power and wide working temperature range(-40 °C to 8...
What is 5-port Unmanaged Industrial Ethernet Sw...
What is 5-port Unmanaged Industrial Ethernet Switch?How to Use It?
JHA-IG05H is a plug-and-play unmanged gigabit industrial Ethernet switch,which has 5 10/100/1000Base-T(X) full/half duplex, MDI/MDI-X auto-adaptation RJ45 Ethernet port.It is IP40 rated and DIN-rail/Wall mountable,supports DC10-5...
Super Mini PoE Injector from JHA TECH
Product Description:
JHA Mini PoE Injector Power into a Non-POE signal and output a signal with POE. It fully complies with IEEE 802.3at/af standards, can work with all IEEE 802.3at/af POE Compliant device, such as IP camera, IP phone, wireless AP and etc.
Key Features:
1. Chip: XS2180. Compati...
What is a fiber patch cord? How to classify it?
Fiber patch cords are used to make patch cords from equipment to fiber optic cabling links. There is a thicker protective layer, which is generally used for the connection between the optical transceiver and the terminal box. Optical fiber jumpers (also known as optical fiber connectors) refer to...
Classification and working principle of protoco...
Classification of Protocol Converters
Protocol converters are divided into two types: GE and GV. Simply put, GE is to convert 2M to RJ45 Ethernet interface; GV is to convert 2M to V35 interface, so as to connect with the router.
How Protocol Converters Work？
There are many kinds of protocol conv...
What is the difference between an optical trans...
The difference between optical transceiver and fiber optic transceiver:
The transceiver only performs photoelectric conversion, does not change the code, and does not perform other processing on the data. The transceiver is for Ethernet, runs the 802.3 protocol, and is only used for point-to-poin...
What is a protocol converter?
The protocol converter is referred to as the protocol converter, also known as the interface converter. It enables the hosts on the communication network that use different high-level protocols to cooperate with each other to complete various distributed applications. It works at the transport la...
What is the role of a protocol converter?
The protocol converter can generally be completed with an ASIC chip, which is low in cost and small in size. It can perform mutual conversion between the Ethernet or V.35 data interface of the IEEE802.3 protocol and the 2M interface of the standard G.703 protocol. It can also be converted between...
Current Situation and Development Prospects of ...
1. Industrial switches are also called industrial Ethernet switches. Under the current situation, with the continuous and rapid development and advancement of network technology, the demand for networks in the industrial field, especially in the field of industrial control, has become more and mo...
A few points about fiber switch parameters
Switching Capacity
The switching capacity of the switch, also known as the backplane bandwidth or switching bandwidth, is the maximum amount of data that can be handled between the switch interface processor or interface card and the data bus. The exchange capacity indicates the total data exchan...
How does a router work?
A router is a layer 3 network device. The hub works on the first layer ( the physical layer) and has no intelligent processing capabilities. When the current of one port is passed to the hub, it simply transmits the current to other ports, and does not care whether the computers connected to othe...
How are optical transceivers divided according ...
Optical transceivers can be divided into 3 categories according to technology: PDH, SPDH, SDH, HD-CVI.
PDH optical transceiver:
PDH (Plesiochronous Digital Hierarchy, quasi-synchronous digital series) optical transceiver is a small-capacity optical transceiver, which is generally used in pairs, a...
What does the optical transceiver 2M mean, and ...
Optical transceiver is a device that converts multiple E1 signals into optical signals. Optical transceiver is also called optical transmission equipment. Optical transceivers have different prices according to the number of E1 (that is, 2M) ports transmitted. Generally, the smallest optical tran...
Analysis of fiber switch types
Access Layer Switch
Usually, the part of the network that is directly connected to users or accesses the network is called the access layer, and the part between the access layer and the core layer is called the distribution layer or the convergence layer. Access switches are generally used to di...
What is Cat5e/Cat6/Cat7 Cable?
What is the difference between Ca5e, Cat6, and Cat7?
Category Five (CAT5): The transmission frequency is 100MHz, used for voice transmission and data transmission with a maximum transmission rate of 100Mbps, mainly used in 100BASE-T and 10BASE-T networks. This is the most commonly used Ethernet c...
What is 1*9 optical module?
The 1*9 packaged optical module product was first produced in 1999. It is a fixed optical module product. It is usually directly cured (soldered) on the circuit board of the communication equipment and used as a fixed optical module. Sometimes it is also called a 9-pin or 9PIN optical module. .
A...
What is the difference between Layer 2 and Laye...
1. Different working levels:
Layer 2 switches work at the data link layer, and Layer 3 switches work at the network layer. Layer 3 switches not only achieve high-speed forwarding of data packets, but also achieve optimal network performance according to different network conditions.
2. The prin...
How to use fiber optic transceivers?
The function of fiber optic transceivers is to convert between optical signals and electrical signals. The optical signal is input from the optical port, and the electrical signal is output from the electrical port, and vice versa. The process is roughly as follows: convert the electrical signal ...
How Managed Ring Switches Work?
With the development of the communication industry and the informatization of the national economy, the managed ring network switch market has grown steadily. It is cost-effective, highly flexible, relatively simple and easy to implement. Ethernet technology has become an important LAN network te...
The development of telephone optical transceiver
Our country’s telephone optical transceivers have developed rapidly with the development of the monitoring industry. From analog to digital, and then from digital to high-definition, they are constantly advancing. After years of technical accumulation, they have developed to a very mature s...
What is IEEE 802.3&Subnet Mask?
What is IEEE 802.3?
IEEE 802.3 is a working group that wrote the Institute of Electrical and Electronics Engineers (IEEE) standard set , which defines medium access control (MAC) at both the physical and data link layers of wired Ethernet. This is usually a local area network (LAN) technology wi...
What is the difference between a switch and a f...
Optical fiber transceiver is a very cost-effective and flexible device. The common use is to convert electrical signals in twisted pairs into optical signals. It is generally used in Ethernet copper cables that cannot be covered and must use optical fibers to extend the transmission distance. In ...
What is Ring network redundancy& IP protocol?
What is Ring network redundancy?
A ring network uses a continuous ring to connect each device together. It ensures that the signal sent by one device can be seen by all other devices on the ring. The ring network redundancy refers to whether the switch supports the network when the cable connecti...
What is Network Topology&TCP/IP?
What is Network Topology
Network topology refers to the physical layout features such as the physical connection of various transmission media, network cables, and abstractly discusses the interaction of various endpoints in a network system by borrowing the two most basic graphic elements in geo...
What is STP and what is What is OSI?
What is STP?
STP (Spanning Tree Protocol ) is a communication protocol that works on the second layer (data link layer) in the OSI network model. Its basic application is to prevent loops caused by redundant links in switches. It is used to ensure that there is no loop in Ethernet. The logical to...
What is a managed switch&SNMP?
What is a managed switch?
The task of a managed switch is to keep all network resources in good condition. The network management switch products provide various network management methods based on the terminal control port (Console), based on the Web page and supporting Telnet to log in to the n...
What is a Optical fiber transceiver?
Optical fiber transceiver is an Ethernet transmission media conversion unit that interchanges short-distance twisted-pair electrical signals and long-distance optical signals. It is also called a fiber converter in many places. The product is generally used in the actual network environment where...
What is a broadcast storm&Ethernet ring?
What is a broadcast storm?
A broadcast storm simply means that when the broadcast data floods the network and cannot be processed, it occupies a large amount of network bandwidth, resulting in the inability of normal services to run, or even complete paralysis, and a “broadcast storm”...
Main features of GPON technology
(1) Unprecedented high bandwidth. The rate of GPON is as high as 2.5 Gbps, which can provide a large enough bandwidth to meet the growing demand for high bandwidth in future networks, and its asymmetric characteristics can better adapt to the broadband data service market.
(2) Full-service access...
What is GPON&EPON?
What is Gpon?
GPON (Gigabit-Capable PON) technology is the latest generation of broadband passive optical integrated access technology based on the ITU-TG.984.x standard. It has many advantages such as high bandwidth, high efficiency, large coverage, and rich user interfaces. Most operators rega...
What is a PoE switch? The difference between Po...
PoE switch is a widely used device in the security industry today, because it is a switch that provides power and data transmission for remote switches (such as IP phones or cameras), and plays a very important role. When using PoE switches, some PoE switches are marked with PoE, and some are mar...
What is a DVI optical transceiver? What are the...
The DVI optical transceiver is composed of a DVI transmitter (DVI-T) and a DVI receiver (DVI-R), which transmit DVI, VGA, Audip, and RS232 signals through a single-core single-mode fiber.
What is a DVI optical transceiver?
DVI optical transceiver is a terminal device for DVI optical signal...
Four precautions for the use of fiber optic tra...
In network construction and application, since the maximum transmission distance of the network cable is generally 100 meters, it is necessary to use relay equipment such as optical fiber transceivers when deploying a long-distance transmission network. Optical fiber transceivers are generally us...
What are the common faults and solutions of HDM...
HDMI optical transceiver is a terminal device for optical signal transmission. In a wide range of applications, it is often necessary to transmit the HDMI signal source to a distance for processing. The most prominent problems are: color cast and blur of the signal received at a distance, ghostin...
What is the maximum transmission distance of th...
To know the maximum transmission distance of PoE, we must first figure out what are the key factors that determine the maximum distance. In fact, using standard Ethernet cables (twisted pair) to transmit DC power can be carried over a long distance, which is far greater than the transmission dist...
What is an optical module?
The optical module is composed of optoelectronic devices, functional circuits and optical interfaces. The optoelectronic device includes two parts: transmitting and receiving. Simply put, the function of the optical module is to convert the electrical signal into an optical signal at the sending ...
The trends for China’s network equipment ...
New technologies and new applications continue to catalyze the high growth trend of data traffic, which is expected to drive the network equipment market to exceed expected growth.
With the growth of global data traffic, the number of Internet devices is also increasing rapidly. At the same time,...
What is the difference between an Ethernet swit...
Although both are used for network switching, there are differences in function.
Difference 1: The load and subnetting are different. There can only be one path between Ethernet switches, so that information is concentrated on one communication link and cannot be dynamically allocated to balance...
Optical transceiver type & interface type
Optical transceiver is the terminal equipment for optical signal transmission.
1. Optical transceiver type:
Optical transceiver is a device that converts multiple E1 (a data transmission standard for trunk lines, usually at a rate of 2.048Mbps, this standard is used in China and Europe) into opti...
Transmitter? Receiver? Can the A/B end of the f...
For optical fiber transceivers, the main function of the transceiver is to extend the network transmission distance, which can alleviate the defect that the network cable cannot transmit long-distance to a certain extent, and bring convenience to the last kilometer transmission, but for those who...
Which fiber media converter transmits and which...
When we transmit over long distances, we usually use optical fibers to transmit. Because the transmission distance of optical fiber is very long, in general, the transmission distance of single-mode fiber is more than 20 kilometers, and the transmission distance of multi-mode fiber can reach up t...
What is the difference between AOC and DAC? how...
Generally speaking, active optical cable(AOC) and direct attach cable (DAC)have the following differences:
① Different power consumption: the power consumption of AOC is higher than that of DAC;
②Different transmission distances: In theory, the longest transmission distance of AOC can reach 100M,...
What is the role of fiber media converter?
The fiber media converter is a necessary product equipment for the optical communication system. Its main function is the Ethernet transmission media conversion unit that exchanges short-distance twisted-pair electrical signals and long-distance optical signals. fiber media converter products are...
When purchasing a switch, what is the appropria...
The protection level of industrial switches is drafted by IEC (International Electrotechnical Association). It is represented by IP, and IP refers to “ingress protection. So, when we buy industrial switches, what is the appropriate IP level of industrial switches?
Classify electrical applia...
What is the difference between a POE switch and...
1. Different reliability:
POE switches are switches that support power supply to network cables. Compared with ordinary switches, power-receiving terminals (such as APs, digital cameras, etc.) do not need to perform power wiring, and are more reliable for the entire network.
2. Different function...
What are the precautions for industrial switche...
What are the precautions for industrial switches in daily use?
(1) Do not place the device in a place close to water or damp;
(2) Do not put anything on the power cable, keep it out of reach;
(3) In order to avoid fire, do not knot or wrap the cable;
(4) The power connector and other equipment co...
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