(1) process flow and equipment layout of production
Production workshop of equipment must be according to the requirement of products and reasonable process emissions, the half finished product of each stage, orderly transfer. Device configuration to consider differences in the production capacity of the production efficiency of the balance, some devices may be configured to two or more, to make the production line's production capacity to balance. Thus the reasonable selection of equipment combination and production site layout, must to balance considering according to products and production capacity.
(2) the organization of production management
Production organization and management must be reasonable and scientific, strict and meticulous, careful and accurate, the operator must be strict in one's demands, according to the requirement of process execution, any link problems, will affect the process smooth, affecting the quality of products and delivery. Especially in multi core hdmi dvi cable , a line on the basic unit of length or shorter, or quality problems, then the whole cable will be insufficient length, scrap. Conversely, if a unit length is too long, it must be off the waste.
(3) quality management
The mode of production of large length of continuous superposition and combination, so that the production process of any link, instantaneous point problem, affect the whole cable quality will. Quality defects occurred in the inner layer, but not found in time to stop production, so the loss caused by the. Because the wire and RCA audio cable production is different from the assembled products, can be disassembled and replaced the other; any part or process quality problems of wires and cables, is almost unable to restore and remedy for this cable. After the treatment is very negative, not cut short is degraded, or scrap the whole cable. It can not be opened again.
Wire and cable quality management, must run through the entire production process. Quality management and inspection department to the whole production process of tour inspection, operation self checking, process under the mutual inspection, this is to ensure the product quality, an important guarantee to improve the economic efficiency of enterprises and measures.
cat6 patch panel management subsystem is the most important component is to achieve vertical lines and two horizontal cabling subsystem cross-connect hub. MDF is usually installed in a cabinet or on the wall, commonly used in network engineering twisted pair patch panels and fiber optic patch panels patch panels.
12 port patch panel
2015年1月28日星期三
2015年1月24日星期六
The introduction of fixed head
Cable sealing sleeve is a suitable connection cable power supply, also can protect the cable, so it won't escape. Cable sealing device is placed in different categories,depending on whether the glands for general processing industry or in need of protection, prevent the risk is too high or the explosion temperature. Into the armored cate5e network cable glands or no armoring layer and a different type of gland will be required for each variety. The gland itself, can be made of metal, such as copper or aluminum, or plastic, the material is useful in different environments.
When the electrical work is completed, it may be no cable sealing, to ensure theelectrical equipment wire, but there are several reasons, this is a bad idea. Glandsprovide sealing power, so as to ensure that the RCA audio cable will not slip during operation.Security is also provided, because the mini displayport cable gland to ensure that electricity can not attached to anyone nearby, causing bodily harm. Glands usually provide other safety features, such as the earth wire or insulated cable.
To have two categories: Industrial and hazardous for RCA video cable sealing. Industrial cablesealing joint is a general use of the gland, in order to meet the requirements ofgeneral risk, so it is useful or dangerous explosion in high-temperature environments.If the environment is harmful substances, the use of dangerous gland, because these glands to meet additional requirements necessary. They are fortified with extra, so that they can resist common glands cannot withstand the temperature and external forces.
Two types of cables can be sealed sleeve is classified as armored or unarmoredcable into, which will play glands work will rebound. Armored cat6 ethernet cable will need a gland,can clip into the wire, and the ability to terminate the energy from the armor part. Nonarmoured line does not require termination, but the glands need highly protected andpreserved, in order to maintain the safety of wire.
Most cable gland cell is made from brass, which is considered, as a general materialis resistant to corrosion and electrical conductivity. In the aluminum and the presence of moisture at the same time, the corrosion of brass can start. Brass is often associated with other metal plating, to make the gland is stronger, better corrosion.Plastic is often used as an alternative to metal glands.
When the electrical work is completed, it may be no cable sealing, to ensure theelectrical equipment wire, but there are several reasons, this is a bad idea. Glandsprovide sealing power, so as to ensure that the RCA audio cable will not slip during operation.Security is also provided, because the mini displayport cable gland to ensure that electricity can not attached to anyone nearby, causing bodily harm. Glands usually provide other safety features, such as the earth wire or insulated cable.
To have two categories: Industrial and hazardous for RCA video cable sealing. Industrial cablesealing joint is a general use of the gland, in order to meet the requirements ofgeneral risk, so it is useful or dangerous explosion in high-temperature environments.If the environment is harmful substances, the use of dangerous gland, because these glands to meet additional requirements necessary. They are fortified with extra, so that they can resist common glands cannot withstand the temperature and external forces.
Two types of cables can be sealed sleeve is classified as armored or unarmoredcable into, which will play glands work will rebound. Armored cat6 ethernet cable will need a gland,can clip into the wire, and the ability to terminate the energy from the armor part. Nonarmoured line does not require termination, but the glands need highly protected andpreserved, in order to maintain the safety of wire.
Most cable gland cell is made from brass, which is considered, as a general materialis resistant to corrosion and electrical conductivity. In the aluminum and the presence of moisture at the same time, the corrosion of brass can start. Brass is often associated with other metal plating, to make the gland is stronger, better corrosion.Plastic is often used as an alternative to metal glands.
2015年1月20日星期二
Cable industry prospects
With the wire and mini usb cable industry competition intensified, large wire and cable enterprises merging and capital operation is becoming more frequent, the domestic wire and cable production enterprises outstanding more and more research and attention to the industry market, especially the thorough research to the enterprise development environment and customer demand trend change. Because of this, a large number of outstanding domestic wire and cable brand rapidly, gradually become a leader in the wire and cable industry!
Wire and cable industry report mainly analyzes the operation situation and Prospect Forecast of electric wire and mini HDMI cable industry; power cable products market demand forecasting and purchasing; communication cable products market demand forecasting and purchasing; electrical equipment market condition of the cable; bare wires and wire winding market; competition pattern and competitor wire cable enterprises; development status and the planning of industrial base of wire and cable; construction trend of wire and cable industry base project; the wire and cable industry analysis and solve problems existing measures and suggestions. At the same time, accompanied by the whole industry for nearly 5 years the comprehensive detailed hand continuous market data, market trends and the development trend of lets you fully, accurately grasp the wire and cable industry. Although the Chinese wire and cable industry has experienced more than 20 years, has made considerable development, but still not out of the big and not strong cycle, are still a big gap compared with world class companies. The existence of industry concentration is low, a large number of enterprises and small scale, the scale economy is far from enough, lack of the capability of independent innovation and product structural contradiction and so on many questions. Despite these problems, but the Chinese wire and cable industry is facing new opportunities that the rapid take-off, enhance their core competitiveness opportunities in development. With the changing of world economic pattern, Chinese cable industry is also bound to face restructuring and reshuffle. Especially in Chinese economic development in recent years is facing the problem of bottleneck of energy, electric power shortage, the state has continued to increase power investment, the industry entered a period of leap forward development. To implement the central decision-making deployment of the construction of infrastructure, stimulating domestic demand, the China State Grid Corp plans to increase investment, accelerate the pace of construction of power grids, it is expected that in the next 2 to 3 years the scale of investment will exceed 1 yuan, of which rural city and the main power grid construction and transformation of investment 790000000000 yuan. The construction scale of 110 (66) kV and above transmission line 260000 km, 13.5 million KVA substation capacity.
Wire and cable industry report mainly analyzes the operation situation and Prospect Forecast of electric wire and mini HDMI cable industry; power cable products market demand forecasting and purchasing; communication cable products market demand forecasting and purchasing; electrical equipment market condition of the cable; bare wires and wire winding market; competition pattern and competitor wire cable enterprises; development status and the planning of industrial base of wire and cable; construction trend of wire and cable industry base project; the wire and cable industry analysis and solve problems existing measures and suggestions. At the same time, accompanied by the whole industry for nearly 5 years the comprehensive detailed hand continuous market data, market trends and the development trend of lets you fully, accurately grasp the wire and cable industry. Although the Chinese wire and cable industry has experienced more than 20 years, has made considerable development, but still not out of the big and not strong cycle, are still a big gap compared with world class companies. The existence of industry concentration is low, a large number of enterprises and small scale, the scale economy is far from enough, lack of the capability of independent innovation and product structural contradiction and so on many questions. Despite these problems, but the Chinese wire and cable industry is facing new opportunities that the rapid take-off, enhance their core competitiveness opportunities in development. With the changing of world economic pattern, Chinese cable industry is also bound to face restructuring and reshuffle. Especially in Chinese economic development in recent years is facing the problem of bottleneck of energy, electric power shortage, the state has continued to increase power investment, the industry entered a period of leap forward development. To implement the central decision-making deployment of the construction of infrastructure, stimulating domestic demand, the China State Grid Corp plans to increase investment, accelerate the pace of construction of power grids, it is expected that in the next 2 to 3 years the scale of investment will exceed 1 yuan, of which rural city and the main power grid construction and transformation of investment 790000000000 yuan. The construction scale of 110 (66) kV and above transmission line 260000 km, 13.5 million KVA substation capacity.
2015年1月16日星期五
Function of mini hdmi cable
Mini hdmi cable not only meet the highest quality 1080P resolution, but also support DVD Audio, the most advanced digital audio formats, support for eight-channel stereo 96kHz or 192kHz digital audio transmission, but with only one HDMI cable, eliminating the digital audio cable. Meanwhile HDMI standard has extra space can be used in future upgrades of audio and video formats. Sufficient to meet a 1080p video and an 8-channel audio signals. And because a 1080p video and 8-channel audio signal is less than the demand for a 4Gbps, HDMI therefore there is a great margin. This allows it to be connected with a DVD player, cable receiver and PRR. Alsomicro usb cable supports EDID, DDC2B, and therefore has a HDMI device has a "plug and play" feature, automatically "consultation" between the source and display devices, automatically selects the most appropriate video / audio formats.
HDMI and DVI interfaces, compared with DVI Mini HDMI cable nterface, smaller volume, and can simultaneously transmit audio and video signals. dvi cable ength can not exceed 8 meters, otherwise it will affect the picture quality, but HDMI can transmit as far as 15 meters. As long as a mini hdmi cable can replace up to 13 analog transmission line, a home entertainment system can effectively solve the tangled mess behind the connection problem.
HDMI and DVI interfaces, compared with DVI Mini HDMI cable nterface, smaller volume, and can simultaneously transmit audio and video signals. dvi cable ength can not exceed 8 meters, otherwise it will affect the picture quality, but HDMI can transmit as far as 15 meters. As long as a mini hdmi cable can replace up to 13 analog transmission line, a home entertainment system can effectively solve the tangled mess behind the connection problem.
2015年1月12日星期一
How do use hdmi cable?
Hdmi cable is used to connect the computer and the TV. That is, the computer's video and audio into a digital signal is played out through the TV. Television became the equivalent of a large LCD display. We usually use this feature to download the movie to see, as well as broadcast did not have time to watch some of the TV programs.
mini HDMI cable seems to be independent of the set-top box. STB has its own audio and video cable with TV.
If you use an hdmi extension cable you can not control the computer with the TV remote control. Starting a computer mouse or keyboard control, we bought a wireless mouse and keyboard, you can control the computer on the couch.
Note that the Hdmi cable connection, select the connection mode using the remote control is HDMI mode, not PC mode.
mini HDMI cable seems to be independent of the set-top box. STB has its own audio and video cable with TV.
If you use an hdmi extension cable you can not control the computer with the TV remote control. Starting a computer mouse or keyboard control, we bought a wireless mouse and keyboard, you can control the computer on the couch.
Note that the Hdmi cable connection, select the connection mode using the remote control is HDMI mode, not PC mode.
2015年1月8日星期四
The main features of micro hdmi cable
High Speed HDMI to micro hdmi cable enables you to use mini usb connector to display / device with a standard HDMI port connector - for sophisticated equipment and next-generation HDMI interface to connect to the existing cost-saving solution for HDMI technology.
3 ft HDMI to Micro usb cable Speed w / Ethernet cable, mini-HDMI connector HDMI interface than the standard 50% smaller,
Compliance with HDMI V1.4 specification, D-type connector,
Full 1080p, 3D, Blu-ray, Ethernet, digital audio transmission,
Mylar foil and braid shield maximum noise suppression,
Rugged, life molded connector to use,
Gold-plated contacts and connector housing, to ensure the highest quality signal.
3 ft HDMI to Micro usb cable Speed w / Ethernet cable, mini-HDMI connector HDMI interface than the standard 50% smaller,
Compliance with HDMI V1.4 specification, D-type connector,
Full 1080p, 3D, Blu-ray, Ethernet, digital audio transmission,
Mylar foil and braid shield maximum noise suppression,
Rugged, life molded connector to use,
Gold-plated contacts and connector housing, to ensure the highest quality signal.
2015年1月4日星期日
Hdmi cable uses
Hdmi cable wire is used to transmit high-definition multimedia video signal. hdmi cable can be high-quality transmission of uncompressed HD video and multi-channel audio data, the maximum data transfer speed of 5Gbps. At the same time without the signal before transmission / A or A / D conversion, can guarantee the highest quality audio and video signal transmission. Transmission principle HDMI cable 2HDMI data cable data lines Mini hdmi cable line has a "plug and play" feature, automatically, "negotiation", automatically selects the most appropriate video / audio formats between the signal hdmi cable for ps3 source and the display device. Volume DVI HDMI interface, compared with the smaller, and can simultaneously transmit audio and video signals. DVI cable length can not be more than eight meters, otherwise it will affect the picture quality, but HDMI can transmit as far as 15 meters. As long as an HDMI cable, you can replace up to 13 analog transmission line, a home entertainment system can effectively solve the tangled mess behind the wiring problem.
Advantages of micro hdmi cable
micro hdmi cable 1.3 version: 1, adds support for new lossless compressed digital audio formats Dolby TrueHD and DTS-HD Master Audio?'s. 2, the higher the refresh rate: 1920x1080 resolution in the same pattern, micro hdmi cable 1.3 offers 165Hz refresh rate than the dual channel DVI interface 120Hz refresh rate higher. micro hdmi cable 1.4 version: 1, Ethernet Channel: HDMI Specification 1.4 adds data path in the cable, and to achieve vga to hdmi cable two-way high-speed transmission. This function in the coupling device, the Ethernet cable can be used to speed 100Mb / s transmission and reception of data, and the equipment immediately becoming IP-based devices. HDMI Ethernet Channel will allow an integrated Internet-enabled HDMI devices without the use of additional Ethernet cable, you can share mini HDMI cable its Internet connection with other HDMI devices. This new feature also provides HDMI devices to share content between required interconnection architecture. 2, higher resolution: support 3840 × 2160 24Hz / 25Hz / 30Hz; 4096 × 2160 24Hz resolution. The new specification supports 4096 × 2160 resolution, making the HDMI interface to transmit content at the same resolution as many digital theaters used. The dual-channel DVI interface can support up to 2560x1600 resolution.
2014年12月30日星期二
Status of wire and cable industry
Wire and cable industry is the second largest industry in China, second only to the automotive industry, product variety to meet the rate and the domestic market share of more than 90%. In the world, China's wire and cable output has surpassed the us to become the world's largest cable producer. With the rapid development of China'swire and cable industry, the growing number of new enterprises, the industry overall technological level has been greatly improved.
China's sustained and rapid economic growth, providing a huge market space forwire and cable products, the Chinese market strong allure, makes the world all eyes focused on the Chinese market, in the reform and opening to the outside world in short decades, huge production capacity of China's cat5e LAN cable industry formed to make the world with admiration. As China's power industry, data communications, urban rail transit industry, automobile industry and shipbuilding industry scale unceasing expansion, the wire and cat5e patch cable demand will grow rapidly, the future electric wire and cable industry has huge development potential. In 2008 November, our country to cope with the world financial crisis, the government decided to invest 4 trillion yuan stimulating domestic demand, which has about 40% for urban and rural power gridconstruction and transformation. National wire and cable industry has a good marketopportunity, around the wire and cable enterprises to seize the opportunity, meet the new round of urban and rural power grid construction and transformation.
2014年12月26日星期五
Storage method of cable
Cable if stored for a long time, according to the position of the cable, should make the following considerations:
1, under the eaves. Cable only in not exposed to direct sunlight or ultra high temperature, standard LAN cables can be applied, recommend the use of pipeline.
2, external wall. Avoid direct sunlight and man-made damage to the wall.
3, in the pipeline (plastic or metal). As in the pipe, pay attention to thermal damage and metal pipe plastic pipe.
4, application of suspension / overhead cat5e cable . Considering the cable sag and the pressure, to adopt what kind of binding mode, cable is directly illuminated by the sun.
5, directly in the underground cable trench laying, the environment is the control of the minimum range. cat5e ethernet cable trench installation must be periodically dry or moist degreeexamination.
6, the underground pipeline. In order to facilitate future upgrades, replacement of cables, and surface pressure and the surrounding environment isolation, auxiliarypipe isolation, auxiliary pipeline is a better method. But don't expect the pipeline will always keep dry, it will impact on the cable type selection.
2014年12月22日星期一
Protection measures of cable
With the rapid development of power cables buried underground engineering, a higher demand on the protection of cables, cable protection sleeve is the use ofpolyethylene PE and high quality steel tube after sand blasting pretreatment, dipcoating, heating and solidifying process produced. It is the protection of wire and cable, a kind of the most commonly used electrical insulating tube. Because it hasgood insulation properties, high chemical stability, no rust, no aging, can adapt to theharsh environment and widely applied.
Use the cable protection sleeve protecting cat6 network cable can achieve the followingadvantages: 1, good corrosion resistance, long service life, can be in moist saline alkali area. 2, flame retardant, good heat resistance, can be used in high temperature of 130 degrees and long term deformation, fire is not burning. 3, high strength, high rigidity. In under the road buried without a protective layer of concrete, can roll fastcable engineering construction schedule. 4, cat5e network cable protection sleeve for pipe or pipehas a certain flexibility, can resist the external stress and foundation settlementcaused by the destruction of the. 5, has good performance of anti interference signals. 6, smooth inner wall, do not scratch the cable. The design adopts a socketconnection, convenient installation and connection. The joints with rubber sealing ringseal can adapt to the thermal expansion and contraction, and to prevent sand entering.
2014年12月18日星期四
Technological characteristics of cable
(1) process flow and equipment layout of production
Production workshop of equipment must be according to the requirement of products and reasonable process emissions, the half finished product of each stage, orderly transfer. Device configuration to consider differences in the production capacity of the production efficiency of the balance, some devices may be configured to two or more,to make the production line's production capacity to balance. Thus the reasonable selection of equipment combination and production site layout, must to balance considering according to products and production capacity.
(2) the organization of production management
Production organization and management must be reasonable and scientific, strict and meticulous, careful and accurate, the operator must be strict in one's demands,according to the requirement of process execution, any link problems, will affect the process smooth, affecting the quality of products and delivery. Especially in multi core cat6 LAN cable , a line on the basic unit of length or shorter, or quality problems, then the whole cable will be insufficient length, scrap. Conversely, if a unit length is too long, it must be off the waste.
(3) quality management
The mode of production of large length of continuous superposition and combination,so that the production process of any link, instantaneous point problem, affect the whole cable quality will. Quality defects occurred in the inner layer, but not found in time to stop production, so the loss caused by the. Because the wire and cat6 patch cable production is different from the assembled products, can be disassembled and replaced the other; any part or process quality problems of wires and cables, is almost unable to restore and remedy for this cable. After the treatment is very negative, not cut short is degraded, or scrap the whole cable. It can not be opened again.
Wire and cable quality management, must run through the entire production process.Quality management and inspection department to the whole production process of tour inspection, operation self checking, process under the mutual inspection, this isto ensure the product quality, an important guarantee to improve the economic efficiency of enterprises and measures.
2014年10月27日星期一
patch panel concept
patch panel management subsystem is the most important component, is to achieve two vertical lines and horizontal cabling subsystem cross-connect hub. MDF is usually installed in a cabinet or on the wall. By mounting accessories, patch panels can be across the board to meet UTP, STP, coaxial cable, fiber, audio and video needs. Commonly Plug-in terminal block
used in network engineering has UTP patch panels and fiber optic patch patch. Fiber optic patch panel's role in the management of the cable will be connected subsystems, usually between the main line and the line between the various distribution. MDF industry standard definition: patch panel-- suitable for wiring devices jumper connections. It enables the system to move and change the wiring is more convenient. cross-connect system patch panel-- managed by a convenient form of pairs of connectors. Twisted role in the management of patch panel in the twisted-pair cross-connect subsystems used in each room and the distribution line of the main wiring. Many models UTP patch panels, each vendor has its own product line, and the corresponding cat5e network cable three categories, Category 5, Category 5e, Category 6 and Category 7 cables were different sizes and models, in specific projects , you should refer to the product manual, be configured according to the actual situation. Fiber optic patch panel's role in the management of the cable will be connected subsystems, usually between the main line and the line between the various distribution
used in network engineering has UTP patch panels and fiber optic patch patch. Fiber optic patch panel's role in the management of the cable will be connected subsystems, usually between the main line and the line between the various distribution. MDF industry standard definition: patch panel-- suitable for wiring devices jumper connections. It enables the system to move and change the wiring is more convenient. cross-connect system patch panel-- managed by a convenient form of pairs of connectors. Twisted role in the management of patch panel in the twisted-pair cross-connect subsystems used in each room and the distribution line of the main wiring. Many models UTP patch panels, each vendor has its own product line, and the corresponding cat5e network cable three categories, Category 5, Category 5e, Category 6 and Category 7 cables were different sizes and models, in specific projects , you should refer to the product manual, be configured according to the actual situation. Fiber optic patch panel's role in the management of the cable will be connected subsystems, usually between the main line and the line between the various distribution
2014年10月21日星期二
12 patch panel mechanical properties
1 pull-out force: The coaxial cable connector with anti-cable tensile strength greater than 50N;
2 Mechanical displayport to hdmi cable Durability: coaxial connector plug after 1000, shall comply with the provisions of the line marked 2.3.1.3,2.3.1.7,2.3.1.8,3.4.2,2.4.3 and 6.2, and the contact surface of the plating layer is still not expose the base material;
4 Digital Distribution All parts are made of materials should have anti-corrosion properties, such as corrosion resistance should be done without preservative treatment; their physical and chemical properties must be stable; must be compatible between the various materials;
5 Digital Distribution combustion performance of all non-metallic materials structures mini displayport cable shall conform to GB/T5169.7-1985 A standard test requirements;
6 conductive elastic material should be used bronze, bronze;
7 conductor coaxial connector contacts inside and outside the region, should be plated an intermediate layer (buffer layer), then gold-cobalt alloy plating thickness.
2014年10月14日星期二
24-port patch panel panelcat description:
1, environmental requirements
1.1 Working temperature: 5 ℃ ~ 40 ℃; Relative humidity: not more than 85% (30 ℃ pm); Atmospheric pressure: 70 ~ 106Kpa; storage humidity: -25 ℃ ~ +55 ℃.
2, the electrical performance
2.1 Working speed: 2Mbit / s, 8Mbit / s, 34Mbit / s, 45Mbit / s, 140Mbit / s, 155Mbit / s;
2.2 Characteristic impedance: 75Ω (nominal value);
2.3 coaxial connector contact resistance; outer industrial terminal block conductor is not more than 2.5mΩ, after mechanical durability test its value is not more than 2.5mΩ; inner conductor is not more than 10mΩ, after the mechanical endurance test its value is not more than 10mΩ;
2.4 Insulation resistance: the connector between the outer conductor, insulation resistance between the conductor and the cell sheet metal parts should be greater than 1000MΩ, DC voltage measuring circuit is 500V ± 50V;
2.5 Withstanding 12 port patch panel voltage: the connector between the outer conductor, between the inner conductor and the cell sheet metal parts should be able to withstand a frequency of 50Hz, the effective value of the AC voltage of 1000V role 1min without breakdown, no arc;
Crosstalk between 2.6 back line defense degree: not less than 70dB (50kHz ~ 233MHz);
2.7 Insertion Loss: less than 0.3dB (50kHz ~ 233MHz);
2.8 Return loss: not less than 18dB (50kHz ~ 233MHz).
2014年9月29日星期一
how do cat6 patch panel Piggyback works ?
One commonly used solution to cable-length limitations is something called HDMI over Cat 6. Steven D’Addone, co-owner of Intra Home Systems in New Jersey, an installer of high-end audiovisual 4 port HDMI switch systems, swears by the technology. “We only run cat6 patch panel,” he says.
Here’s how it works: A video source, such as an HD cable box, is connected to a small device—a “balun,” in the parlance of the trade—with a short HDMI cable. The balun usually takes the form of a small, router-like box or a wall plate. Its job is to pass the HDMI signal along to one or more cat5e cable or Cat 6 cables. (These are the same cables used to wire Ethernet networks—Cat 5e is a more common cable, but the newer Cat 6 standard is preferred by AV installers for its higher bandwidth.) At the receiving end, a similar box passes the signal back onto an hdmi wall plate, which then connects to your display.
Now, all HDMI over cat6 patch panel baluns are not created equal. Some crudely bridge the HDMI and cat6 patch cables by relying on the signal power of the Barrier Terminal Block original video source—this limits the range considerably. Others compress and then decompress the HDMI signal, but this can cause hardware compatibility problems. D’Addone recommends a third type of system. “What seems to be the most reliable are cat5e network cable products that are high-bandwidth and powered on both sides,” he says. These boxes, which can be found for about $100 each, create a direct bridge between HDMI and a pair of Cat 6 cables, but provide extra power to ensure the signal can travel distances up to 150 feet.
Best of all, powered HDMI over Cat 6 preserves the quality of video and audio signals. And given the low cable price—about a dollar per 10 feet online—HDMI over Cat 6 makes the most economic sense for longer throws.
2014年9月22日星期一
Industry-standard patch panel's definition
patch panel management subsystem is the most important component, is to achieve two vertical lines and horizontal cabling subsystem cross-connect hub. patch panel is usually industrial terminal block installed in a cabinet or on the wall. By mounting accessories, patch panel can meet the full range of UTP, STP, coaxial cable, fiber, audio and video needs. Commonly used in network engineering has UTP patch panels and fiber optic patch patch ISO / IEC 11801: 2002 patch - apply to the jumper wires connected fixtures. It enables the system to move and change the wiring is more convenient. ANSI TIA / 568-B patch panel - easy to manage cross-connect system consists of pairs of connectors composition. The effect of UTP patch panel will be twisted in the management of cross-connect subsystems used in each room and the distribution line of the main wiring. Many models UTP patch panels, each vendor has its own Barrier terminal block product line, and the corresponding three categories, Category 5, Category 5e, Category 6 and Category 7 cables were different sizes and models, in specific projects , you should refer to the product manual, be configured according to the actual situation. Fiber optic patch panel's role is in the management of the cable will be connected subsystems, usually between the main line and distribution lines between each.
2014年9月15日星期一
Here are some common patch panel and a reasonable match in the practical application between them.
The late eighties, integrated wiring system has just entered China, then the information transmission rate is very low, only three types of cabling systems (16MHz) products, wiring Barrier terminal block system mainly uses 110 fish skeleton patch panels, mainly are 50 pairs, 100 pairs 300 pairs, 900 pairs of wall-mounted several, while supporting the use of cables; drawback is more troublesome cable termination, termination should not be a one-time change, no shielding products, termination tool more expensive, inconvenient maintenance upgrade.
With the continuous improvement of network transmission rates, there have been five cabling system (100MHz), network interface RJ45 gradually to unity, patch panels for terminating cables to transmit data using 19 inches RJ45 patch panel port 110, Such patch back into line using 110 Termination, all RJ45 ports for front jumper wires, which are divided into 24, 36, 48, 96 several, all 19-inch rack / rackmount installation, the advantage of small size, high density, relatively simple and can be repeated termination termination, mainly for the four pairs of twisted-pair termination, shielded products; drawback is due to the line cables in the distribution cat6 patch cable rack on the back of the line termination, and qualifying jumper complete patch management front, so the maintenance and management more difficult; Because the port is relatively fixed, regardless of the number of desktop information to manage port number must be a multiple of 24 and 36 according to the port to configure, the vacancy caused by the wiring ports and waste, not flexible; another relative price 110 fish skeleton patch expensive.
2014年9月10日星期三
MDF industry standard definition
Patch management subsystem is the most important component, is to achieve two vertical lines and horizontal cabling subsystem cross-connect hub. MDF is usually installed in a cabinet or on the wall. By mounting accessories, patch panels can be across the board to meet UTP, STP, coaxial cable, fiber, audio and video needs. Commonly used in network 12 port patch panel engineering has UTP patch panels and fiber optic patch patch ISO / IEC 11801: 2002 patch - apply to the jumper wires connected fixtures. It enables the system to move and change the wiring is more convenient. ANSI TIA / 568-B patch panel - easy to manage cross-connect system consists of pairs of connectors composition. Twisted role in the management of patch panel in the twisted-pair cross-connect subsystems used in each room and the distribution cat6 patch panel line of the main wiring. Many models UTP patch panels, each vendor has its own product line, and the corresponding three categories, Category 5, Category 5e, Category 6 and Category 7 cables were different sizes and models, in specific projects , you should refer to the product manual, be configured according to the actual situation. Fiber optic patch panel's role is in the management of the cable will be connected subsystems, usually between the main line and distribution lines between each.
2014年9月1日星期一
12 port patch panel features are as follows
Fully modular design, full front operation, welding and wiring in one set, to maximize the high-density, can be installed on 19-inch standard rack, suitable for ribbon and non-ribbon cable, you 12 port patch panel can snap-in installation FC, SC, ST and LC, and other adapters, adapter and device access installation at 30 ° cards, both to ensure the bending radius of curvature of the jumpers and avoid the laser burns the human eye, easy to operate, perfect protection, cable and tail fiber all have more 24 port patch panel than 2m disk storage space. 12 port patch panel is a HPN Series fiber optic splice wiring unit body, which makes the maximum end of the cable into the connection and wiring of high density, while for the cable provides the best protection, and can be based on need as a stand -alone unit mounted welding wires used on standard 19-inch rack
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