2014年4月27日星期日

vga cable market overcapacity face more tests

China's cable companies as a whole showed the phenomenon of underemployment, marketing and sales fall, "trough", a series of economic downturn, China's cable industry into an unprecedented predicament. Today, the cable companies face overcapacity competition, some enterprises in order to survive, has been considering looking for a new investment.
The current status of China's cable market is  hdmi splitter sluggish. Mainly because the cable overcapacity problem. In recent years, with the rapid development of the domestic telecommunications, electricity, energy, transportation, cable manufacturers as springing in large numbers. Currently, the country's cable production companies have over 7000. On the current point of view, even if the cable is still the next 5-10 years to meet the economic development.
vga cable industry is relatively low barriers to entry, leading cable manufacturer has more and more and more, product homogeneity is more serious. Especially with the sharp rise in copper prices and a variety of raw material prices on the market, many enterprises in order to hdmi to dvi adapter  reap greater benefits more choose not honest business behavior, even deliberately using inferior raw materials for production, in order to reduce costs, vga cable so necessarily a direct result of key indicators conductor resistance, the degree of crosslinking, such as not up to standard requirements. Currently, in the cable industry, a lot of product failure or shoddy products.
Overcapacity, the consequences could be disastrous. Now, more and more serious vicious competition, resulting in the entire cable industry profitability into recession. This year, the industry average profit  cat5e patch panel margin has been declining, so extensive development continues, the problem is not the survival of a single enterprise, but the entire industry is facing a loss. How to solve the problem of overcapacity has only accelerate the development of the core competitiveness of the full range of high-end products through the integration of resources, survival of the fittest, the cable industry can be sustained and healthy development.

2014年4月17日星期四

Some other categories of WISDOM vga cable

Fiber optic cable that is, its advantages:
An optical fiber is very wide passband. Theory up to 30 trillion hertz. 2. Against electromagnetic fields and electromagnetic radiation. 3.vga cable to chemical corrosion, long service life. 4 fast. Advantages 1. Fibre wide passband. Theory up to 30 trillion hertz. 2 No hops  WISDOM mini usb connector long. Tens to over 100 km, only a few hundred meters of copper wire. 3 from electromagnetic fields and electromagnetic radiation. 4 light weight, small size. For example: one thousand words through 20001 Road 900 twisted pair, with a diameter of 3 inches and weighs 8 tons / KM. Ten times the amount of communication for the cable diameter of 0.5 inches, the weight 450P/KM. 5 uncharged fiber-optic communications, safety and can be used for flammable, violent places. 6.vga cable using a wide range of ambient temperatures. 7. Chemical  WISDOM rj11 plug corrosion, long service life. Including bare wire and cable, electrical wire insulation and electrical wires, power cables, communication cables and fiber optic cables. Wire and cable is the material used for electric power, telecommunications and related transmission purposes. "Wire" and "Cable" and 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, also WISDOM barrier terminal block  known as wire cloth.
 Including bare wire and cable, electrical wire insulation and electrical wires, power cables, communication cables and fiber optic cables.
 Cable has power cables, control cables, compensation cables, shielded cables, high temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables and so on. They are composed by the multi-strand wire used to connect the circuit, appliances and so on.

2014年4月16日星期三

WISDOM vga cable and cable industry still wary of the drawbacks

With the introduction of five- integrated transportation system planning , the state railway construction policy warmer, promote urban rail transit construction across the news heard booming transportation construction , for cable companies is undoubtedly favorable . However, the same should also see that the cable industry development and construction of rail transit is not completely synchronized.
WISDOM vga cable users centralized monopoly WISDOM hdmi to dvi adapter  enterprises decentralized , less large central enterprises , no international brands such as traditional cable market criticized in the field of rail transport cable still exists . Compared with traditional cable market , due to the metro cable , marine cable and other cables strictly retardant , halogen-free , smoke suppression requirements ; country regional differences, such as the hot and humid climate of the South and the high and low voltage power cables and more ants environment , mica insulation fireproof cable accessories , mineral insulated cable fire , leakage coaxial cable and other high-end products , our R & D capability is still less than the current low level of popularity , in part dependent on imports of high-end products .
In addition , WISDOM vga cable due to the cat5e patch panel  rapid development of rail transport market , capable of producing less sophisticated end product companies , one of the few companies with limited human and financial resources, in order to meet customer demand, intense side of the purchase of equipment , additional human resources side , resulting in increased fixed costs , a shortage of liquidity , the objective follow-up research and development capabilities of the enterprise caused some impact . The small business , capital, technology, personnel are relatively weak, the product quality can not be guaranteed due to its low price , the market tends to be dominated by them . These companies did not form their own core competitiveness , it is difficult to resist the impact of the market.
Then, in the field of rail transport , the cable companies WISDOM fiber optic cable  should be alert to how the drawbacks of traditional markets , namely domestic enterprises should improve their technical level, the high-end product development and foreign cable snapping ; second is to break the monopoly of the current technology , so that more enterprises to participate come ; Third, production of cable products should be in accordance with national standards.

2014年4月15日星期二

Polyethylene insulated control vga cable advantages

Polyethylene insulated control cables advantage
1 almost completely maintained polyethylene polyethylene inherent high electrical performance, high breakdown strength, insulation resistance, low dielectric constant, low dielectric loss.
2, low density polyethylene, metal-sheathed cable is WISDOM 12 port patch panel  not so light weight per unit length of cable laying and convenient.
3, vga cable polyethylene has a high heat resistance and aging resistance, low dielectric loss, long-term allowable working temperature of 90 ℃, therefore, the transmission capacity can be greatly improved.
4, it is appropriate vertical drop and vibration high places laying.
5, good chemical resistance.
6, vga cable with good  WISDOM rj45 keystone jack insulation, waterproof, corrosion-resistant, pressure characteristics.
7, the use of flame retardant materials, improving the flame retardancy of the cable, and reducing the concentration of harmful fumes escaping combustion gases to improve the safety and reliability of the cable.
8, shielded control cable with a small dielectric loss. Strong ability to transmit signals. Anti-jamming performance and  WISDOM scart cable good features that can be reliably transmitted weak analog signals.

2014年4月14日星期一

Related presentation of its application vga extension cable

DVI digital video interface cable that is connected to the line. DVI is based on TMDS (Transition Minimized Differential Signaling), the smallest differential signal conversion) technology to transmit digital signals, TMDS encoding algorithm to use advanced 8bit data (R, G, B color signal for each of the roadbed) encoded by the minimum WISDOM 12 port patch panel  conversion 10bit data (including horizontal and vertical synchronization information, the clock information, data DE, error correction, etc.), after a DC balanced differential signal transmission data. DVI and LVDS, TTL better compared to electromagnetic compatibility, you can use a special cable to achieve long distance low cost, high-quality digital signal transmission. TMDS transmission structure connecting technology. Digital Visual Interface (DVI) is  cat6 patch panel an international standard open interfaces, vga extension cable on the PC, DVD, high-definition television (HDTV), high-definition projectors and other devices have a wide range of applications. High-density double-metal band braid shield, vga extension cable wire structure used in the 24th line, the line core using 19C +1, with good anti-jamming signal functions, to bring you comfortable and natural audio experience. Traditional products of audio and WISDOM micro usb connector  video signal transmission limitations independent, successful integration of audio and video synchronous transmission, low impedance, low loss, low distortion, superb conductivity and corrosion resistance, durable.

Process characteristics vga cable wire product manufacturing

Wire and cable manufacturing process characteristics: the great length of the combination of continuous production mode superposition large continuous length overlay combination mode of production, the impact on the global wire and cable production and controllability, which involves and affects:
A production process and equipment layout workshop equipment required by the various product requirements and reasonable process emissions, so that the various stages of semi-finished products, sequential flow. Device configurations to consider and balance the different WISDOM micro usb connector  productive capacity, and some equipment It may be necessary to configure two or more units, abilities production capacity of the production line can be balanced. vga cable so reasonable matching combinations and arrangements equipment production facilities, according to the product and production capacity necessary to balance considered.
2 production organization and management of production organization and management must be scientific and reasonable, accurate and careful, meticulous, the operator must be meticulously executed according to process requirements, vga cable any link problems will affect the process of smooth, affect product quality and delivery. especially multi-core cable, one  WISDOM rca video cable pair or the basic unit length is short, or quality problems, the entire length of cable will be enough to cause scrapped. Conversely, if a cell is too long, it must be sawn wasteful .
3 large length of continuous quality management overlay portfolio vga cable production, so that any one part of the production process, instantaneous little problem, it will affect the whole cable quality. More quality defects occur in the inner, and did not discover the termination of production , then the greater the losses caused due to the production of wire and cable products unlike assembled, you can open other pieces of heavy equipment and replacement;. either a part or the wire and cable process quality WISDOM dvi to hdmi adapter  problems, these cables is almost irreversible and irreparable. afterwards disposal are very negative, not sawn disposal is downgraded, or scrap the entire cable. unable to open the heavy equipment. quality wire and cable management, it is necessary throughout the entire production process. quality management and inspection department To tour the entire production process inspection, the operator self-inspection, mutual inspection process from top to bottom, this is to ensure product quality, and means an important guarantee for improving economic efficiency of enterprises.

2014年4月10日星期四

hdmi extension cable and introduced a major role

HDMI's English name is "High Definition Multimedia", in Chinese means High Definition Multimedia Interface. HDMI interface can provide data transfer bandwidth up to 5Gbps, can transmit audio signals without compression and high-resolution video signal. At the same time  WISDOM server cabinet without having to send the signal before the D / A or A / D conversion, hdmi extension cable can guarantee the highest quality audio and video signal transmission. The benefits of using HDMI is: only one HDMI cable, you can transmit audio and video signals simultaneously, unlike now need to connect multiple wires; Meanwhile, the wireless digital / analog or analog / digital converter, can achieve higher audio and video transmission quality. For consumers, HDMI technology not only provides a clear picture, and because the audio / video using the same cable, which greatly simplifies the installation of a home theater system. hdmi extension cable high-definition digital multimedia interface (High-definition Digital Multimedia Interface) HDMI 1.0 standard promulgated. On WISDOM 12 port patch panel  pin HDMI and DVI compatible, but with a different package. Compared with DVI, HDMI can transmit digital audio signals, and adds support for HDCP, while providing a better DDC optional features. HDMI supports data transfer rates of 5Gbps, can transmit as far as 15 meters, sufficient to meet a 1080p video and an 8-channel audio signals. And because the audio signal needs a 1080p video and an 8-channel is less than 4GB / s, HDMI therefore WISDOM hdmi switch  there is a great margin. This allows it to be connected with a DVD player, cable receiver and the PRR. Also HDMI supports EDID, DDC2B, and therefore has the HDMI device has a "plug and play" feature, automatically "consultation" between the source and display devices, automatically selects the most appropriate video / audio formats As prolong color on color No access to drawings

2014年4月9日星期三

Electrical equipment, wire vga cable selection requirements

1 Scope This standard specifies the rated voltage 450V/750V and below PVC (and other materials) insulated wire and cable sheathing selection requirements. This standard cable design trial in material selection. The  Micro HDMI cable following terms and definitions apply to thisstandard.
Oxygen under the conditions stipulated pointing, vga cable sample in oxygen, nitrogen mixed gas stream to maintain a minimum oxygen content required for stable combustion, vga cable is a way to evaluate the performance of the burning material.
2.1 Special electrical properties of the basic electrical properties of the wire and cable 2: conductive core of the resistance (wire DC resistance), carrying capacity. Electrical insulation: insulation  WISDOM vga to hdmi cable resistance, voltage resistance characteristics. 2.2 means the mechanical properties of tensile strength, elongation, bending, elasticity, flexibility, vibration resistance, wear resistance and impact resistance.
2.3 refers to the product of the thermal performance of heat levels, temperature, heating and cooling characteristics of the cable, carrying short-circuit and overload, thermal deformation vga cable synthetic materials and thermal shock resistance, thermal expansion of the material and impregnating or coating material dropping performance.
2.4 corrosion resistance and weather resistance rj45 modular jack  refers to galvanic corrosion, erosion-resistant organisms and bacteria, resistance to chemicals (oil, acids, alkalis, solvents, chemicals, etc.) erosion resistance, salt spray resistance, sunlight, cold, mildew and moisture properties. 2.5 In the case of the aging properties of mechanical means (force) stress, electrical stress, thermal stress and various other external factors effects, or external climate conditions, and the constituent materials of the product to maintain its original performance capability.

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3日星期四

Shielded twisted pair vga cable current pace of development

At present , China has leapt to the world's largest wire and cable manufacturing , is also the world's fastest growing wire and cable consumption country, but per capita consumption level of wire and cable is about WISDOM hdmi cable for ps3  one-fifth of developed countries. Vga cable wires future market demand is still much room for growth . The next few years , smart grid, nuclear power, railways, airports, construction, household appliances and other industries to flourish , the demand of wire and cable products will grow rapidly.
This new low inductance cable also includes cables and cable end connector head filled with solid and cable also made positive and negative cable core bundling constitute the core of the outer hose . As WISDOM ethernet cable  these cables are generally used for low inductance voltage 25-50V, the current in the case between 7000-12000A , the cooling water in the conductivity caused by a short circuit in the cable is substantially negligible , so this is not low inductance cable use isolated positive and negative cable core cable core rubber hose , vga cable just set up a cross-section was particularly spoke-like ( commonly known as " plum core " shape ) of the core frame, between its "round heart" and the adjacent " spokes " the enclosed space that is formed in the axial direction along the longitudinal grooves of the same total  WISDOM cat6 network cable cores longitudinal groove and the cable holder configured number of positive cable core , which is part of the cable to the positive electrode and the negative cable core the cable core , respectively, resting on core holder constituting the longitudinal groove in the outer hose means . Cable core positive and negative ends of the cable core , respectively, with the head of a very solid set of synthetic clamps on the cable core folder, and then mounted on a solid connectors, hose cable head end of the end portion of the joint suit , and with Set out to tighten the hose outside of the hoop tight seal .

2014年4月2日星期三

Some major role vga extension cable for

VGA extension cable is a few empty legs . 5 m of the line is entirely possible . If your graphics card is DVI interface before , then you need to set up a second monitor and the first monitor the same. Some  WISDOM mini usb connector vga extension cable dual interface display there is a button to select the input interface can be extended is possible bq, but there may be too long too 8406quy 9186 that resulted in a low signal attenuation to below the detection threshold of a TV cable TV to get in front of the notebook , bought the line alone try, to determine which lines are easy to use , if no problem , then it should be too much to extend the signal attenuation is possible, but WISDOM pcb spring terminal block  there are may be too long , resulting in signal attenuation too , vga extension cable to the TV so low below the threshold of detection . That is a problem with your line quality connection is not wrong but the extension cord should be increased with the length of male and female that point does not cause signal interruption of this phenomenon is normal, because VGA is an analog signal transmission , the longer the line the usb 2.0 cable  more  attenuation powerful.
At the same time the quality of the line attenuation great impact , it is recommended to buy a good brand is the best VGA extension cable

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 .