显示标签为“Network Cabinet”的博文。显示所有博文
显示标签为“Network Cabinet”的博文。显示所有博文

2015年1月20日星期二

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 Fiber Optical Patch Cord 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 PCB Spring Terminal Block 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.

2015年1月4日星期日

How to properly use the patch panel?

Living room with a patch panel Living room Electric Category: Electric is the main living room TV and peripheral equipment, audio and video enthusiasts will configure some special surround sound system. In addition, like the telephone, the communication device is a router which is the most common devices seating. voice patch panel living room electrical characteristics: Electric high-value, use a long time, the use of high frequency, high power supply quality requirements; phones, cats, routing and other equipment also requires a lightning protection function. Study with the cat6 patch panell study Electrical category: Electrical within general study are relatively simple, common computer, small size TV or desktop speaker system and so on. The study of electrical characteristics: frequency of use is not necessarily high, electric power is not great. Designed for computer application design: a separate host and three peripheral power jack socket; Alloy shell with environmentally friendly flame retardant engineering plastics, flame retardant, excellent impact resistance, moisture barrier, heat capacity; Built-in lightning protection circuit; Bedroom recommended patch panel Bedroom Electric Type: Common appliances in the bedroom with air conditioning, electric heating, TV. Bedroom electrical characteristics: Most appliances in the bedroom at night use, each use is not a short time. While at night the city power grid load is low, some cities there are nighttime preferential tariff halved, you can take advantage of. Child protection door, you can also prevent foreign matter into smaller wiring board;

2014年4月7日星期一

hdmi extension cable to connect an extension cord affect signal

Connect the extension cord will certainly be some hdmi extension cable. Connection, the gauge to see if the line is not so good. Not long natural. Plus connector is generally not recommended
Underground with no impact on the wall, of  WISDOM sfp module course, it also depends on the materials used to the line. If the material is not good, it is natural hdmi extension cable affected. General standard materials are no problem.
If you want to embedding, recommended not to buy the materials used bad line. The long-term will require 24AWG. 1, DVI, and HDMI is a digital interface, HDMI but also in addition to the video with audio, typically used to connect DVD player, etc., while the video and audio output devices, it is also called a multimedia interface, a single DVI digital video interface, generally used to access the LCD monitor.
2, the computer connected to a TV, the two WISDOM rca audio cable  interfaces are inappropriate, the adapter module requires a dedicated, high cost, there are losses, the effect is not necessarily directly with both the TV and the video card has a VGA good.
3, VGA is an analog video interface, can be connected directly, just use a good quality cable signal loss actually feel it, pay attention to the audio to separate pull, TV VGA input port side of a dedicated 3.5 audio input jack.
4, to make television sets and monitors simultaneously with, you can buy one for two VGA connector (note pin hole to correspond), click on  WISDOM dvi adapter the video card installed inside the 2nd monitor and check the "extended to the desktop", so You can point your browser to live, the right player to pull on a TV monitor, the computer is not wrong doing other activities.

2014年4月1日星期二

What is the difference vga cable and wires are

Wire by one or a few soft wire composition , outside vga cable package with light soft sheath ; cable is composed of one or several conductors insulated package composed of a tough outer layer to the WISDOM usb extension cable  outside and then pack made ​​of metal or rubber . vga cable and wire in general by wire, insulation and protection of the foreskin skin composed of three components . Common characteristics of the cable as follows : CEF - ethylene propylene rubber insulated neoprene jacket , marine fire-retardant power cable. CVV - PVC insulated , PVC sheathed flame retardant power cable ship . Oxygen chamber wires often used BV, BX, RV, RVV series of wires, where : BV - PVC insulated copper wires , allowing long-term temperature 65 ℃, the WISDOM micro usb cable  lowest temperature of -15 ℃, operating voltage AC 500V, DC 1000V, fixed installation indoors and outside, can also be dark for surface dressing . BX - rubber insulated copper wire , the maximum temperature 65 ℃, spreads in the room. RV - PVC insulated single core flexible cable, the maximum temperature 65 ℃, the lowest temperature -15 ℃, internal wiring voltage AC 250V, DC 500V, used instruments and equipment . RVV - PVC insulated and sheathed copper wire , allowing long-term working temperature of 105 ℃, operating voltage AC 500V, DC 1000V, for moisture, mechanical protection requirements, often moving and bending the occasion. In fact, the " wire " and " Cable" and  WISDOM dvi cable there is no strict boundaries. The core number is usually small, small diameter products , the simple structure of the product known as wire , not insulated as bare wires, the other is called the cable ; conductor cross-sectional area larger ( greater than 6 mm2 ) as a large wire , representing small ( less than or equal to 6 mm2 ) as a small wire , insulated wire and wire cloth called to say relatively simple, easy to understand ! ! cables generally have more layers of insulation , mostly multi-core structure around the cable tray , the length is generally greater than 100 m . Generally single insulated wire .

2014年3月30日星期日

Control VGA CABLE industry overall good technical quality

 At present, the higher the gold content of domestic cable companies have relatively few patents, utility model patents more; may often multinational patents are generally patents, we can see the gap between domestic companies and multinational corporations lies.
    Meanwhile, combine patented technology and production, improve the conversion rate of patent achievements, patented technology  terminal block ultimately translate into productivity, effectively enhance the competitiveness of enterprises. Combination of qualified personnel and enhance the development of wire and cable business, science and technology is to support, talent is the key to strengthen the innovation of personnel. Only science and technology as the core driving force and an important starting point in order to effectively change the mode of economic development, to win the future development of the initiative, if technological innovation is the development of life, then the talent is the driving force of technological innovation.
    Currently, VGA CABLE industry overall WISDOM sfp connector  good technical quality, integrated talent scarcity. The reason is that many companies have wanted to bring talent comes in handy, but rarely pay attention to the cultivation of talent, the brain drain has seriously affected the wire and cable industry into the international market pace. For who just graduated from college cable professional theoretical knowledge they learned really a lot more than the actual result of the contact, after entering the plant, when to deal with practical problems often seem confused, powerless, a lot of error analysis and judgment, perhaps to the company artificially caused some loss, this time to feel limited company this person is not strong level, no  hdmi switch longer give him room for improvement, no longer object to let go as a culture in important positions, and very conducive to the growth of talent, and some technical personnel the ability to get free play in the post, leading to interfere too much, technological innovation, enthusiasm and creativity significantly weakened, industry like many such cases.

2014年3月26日星期三

WISDOM hdmi extension cable MDF uses

MDF is positioned in front of the central office of information points modular device management. The front of the information point cable ( Cat5e or 6 cable ) into the equipment room after the first into patch panels, patch panels will hit the line modules , patch panels and switches then connect a jumper (RJ45 interface) . Overall, the patch panel is used crossover ethernet cable to manage the device , for example, if there is no patch , direct access to the front of the information points to the switch , so that once the cable problems, faced to rewiring. In addition, the management is also a bit confusing, multiple plug may cause damage to the switch port. MDF exist to solve this problem by replacing the jumper to achieve better management.Dosage and overall network is mainly based on the number of points or the floor ( and similar floor , depending on how the system is designed diagram ) points to the number of network configurations . Different buildings , different system designs , patch panels are the main differences between the devices . For example, a building only four rooms , the master device is set on the first displayport to hdmi cable floor , all floors between network points are entering the device , then the patch is equal to the number of the building all network points / patch panel port number ( 24 mouth, 48 , etc. ) , plus got to margin ; If, on the 9th floor of a building has a room , the master device is set on the fourth floor , then in order to avoid long cable , it may partakers devices are located on each floor , and there is exchange equipment . So the main distribution frame between devices on the network is equal to the number of points / patch panel ports ( 24 , 48 , etc. ) 4 layers.

2014年3月21日星期五

Some of the different characteristics vga cable

This is really quite incredible, but also proves that China 's wire and cable industry has been derived from the confusion within the industry to "foreign trade" , extending from the external publicity and marketing. And now, the government has introduced a certain ranking is a lack of authoritative business , but more interesting is that when the wire and cable WISDOM RAC CABLE manufacturers in the number of qualified applicants bid on the table , asked  to fill out impressively display the " enterprise in the industry Rank "or" enterprise market share in the industry "requirement . From the perspective of the relevant government departments, doing nothing wrong , was simply trying to understand the size of the business and marketing capabilities , but ignored the lack of such specialized rating agencies . The companies are often faced with such requirements have been caught unprepared , do not know how to fill .
Because of this , some companies have chosen to leave newspaper rankings, ranking greatly to his premise . There are only a few hundred or even a total number of employees, sales of less than $ 1 billion business , even in the " business in the country's market share" column, immodestly fill 3% , and this turned out to fill passed, ironic .
Some aspects of the lack of industry rankings , and  WISDOM Network Cabinet very worthy of attention each wire and cable manufacturers , such as , for now, the wire and cable industry to date, the lack of official ranking list released by the industry , whether it is the wire and cable industry associations, or local the wire and cable industry associations, have not done an accurate , authoritative , formal corporate rankings. But from the " qualified bid " process, we found that business was asked to fill in the rankings , scrambling to get business know what to do . We can not help thinking, maybe because when asked to fill out an application companies ranked qualifications , will lead to a variety of ranking on the Internet , including some of the manufacturer or small groups themselves casually fabricated wire and cable rankings, and  WISDOM VGA CABLE even their own businesses is negligible micro-enterprises , also among the prominent .
Such ranking is undoubtedly the lack of credibility , even those who have never heard of the cable companies ranked in the top ten or even the first business, and like those brilliant performance , the industry's well-known companies are ranked in more than 70 after that, not even a single rank of such a phenomenon can only be explained confusion wire and cable industry , has been constantly farce .