Computer Cables (Industry Standard)connection

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
100 m
Supply Capability:
100000 m/month

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Product Description:

The product is used for connection cable in the electronic computer and automatic equipment that demands high anti-interference and its rated voltage should be 500 or below. The cable's wire core insulation adopts low-density polyethylene with fine chemical stability.The polyethylene is provided with high insulated resistance,fine withstand boltage.The dielectric coefficient is low,and its dielectric loss is little affected by the temperature and frequency.It can meet the demand of transmission performance and also can guarantee the service life of the cable.
   The cable adopts shield structure in order to reducing mutual interference and external interference among the loops.According to different operating places,the demand of the cable shield seperately adopts:the methods of paired composite shield,total shield of paired composed cable,total shield after paired composite shield etc.
   Type,description and main application of the computer cable see table 1.


TypeNominal cross-sectional area of conductor (mm2)Pairs
DJYVP,DJYVP2,DJYVP3,DJYPV,DJYP2V,DJYP3V,
DJYPVP,DJYP2VP2,DJYP3VP3,DJYVPR,DJYVP2R,DJYVP3R,
DJYPVR,DJYP2VR、DJYP3VP、DJYPVPR,DJYP2VP2R,DJYP3VP3R
0.50,0.75,1.0,1.50,2.51-24
DJYVP22,DJYVP2-22,DJYVP3-22,
DJYPVP22,DJYP2VP2-22,DJYP3VP3-22,
0.50,0.75,1.0,1.50,2.54-37
TypeDescriptionMain Application
DJYVPPE insulated double-twist copper-wire woven general shield PVC sheathed electronic computer cableFor laying indoors,in trenches and in ducts
DJYVP2PE insulated double-twist copper band general shield PVC sheathed electronic computer cable
DJYVP3PE insulated double-twist aluminium foil and plastic film general shield PVC sheathed electronic computer cable
DJYPVPE insulated double-twist copper-wire woven branchl shield PVC sheathed electronic computer cable


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Q:With the patch panel how to deal with the line corresponding to the crystal line of the line order is what
The size of the jumper varies with the specifications of the bridge, which is uncertain; the so-called repetitive ground is at least two that is the beginning and end of the end, if the length is enough, the need for intermediate isolation to do the appropriate length of the ground. Stressed that a certain attention to the ground is connected to the power grid on the ground, not directly into the ground.
Q:The computer host is always start to stop, resulting in the last can not start. What is going on?
Do not worry, no problem, the power cord can withstand the general high temperature, not recommended to use extension cord, the more joints more easily lead to some inexplicable problems.
Q:PVC pipe line 6 points and 4 points which big ah?
35 square copper wire current carrying capacity is 105A, 105A / 35 mm2 = 3A, (1 square millimeter carrying capacity is 3A) 70 square copper wire current carrying capacity is 169A, 169A / 70 square millimeters = 24A (1 square millimeter carrying capacity is 24A) 1 square hai load current from 11A gradually become 24A So it is impossible to use n by the coefficient can be drawn to the current value Wire can carry the current * the applied voltage * power factor = can drive power The diameter of the wire with different diameter is not the same No specific diameter can not know the current carrying capacity How much power, depending on the voltage level Because P = UI As the saying goes: a square 4 current, underground than this small forget How much is the square here is a square millimeter Power depends on your voltage, the general small line can be directly by 5 is to eat the current to 50-120 the basic can take more than 35 can take 25 or so just personal experience to do reference to the need for basic data: 1 line, copper and iron Aluminum silver temperature 3 core number 4 diameter Probably take a square 5A diameter n square of the wire can be over n high current, resulting in n high power so that can be calculated
Q:Construction of hydropower embedded pvc pipe after the solidification of the pipe after the flat tube
It is not on the TV and set-top boxes with HDMI cable connection, so you can empty out the set of input link DVD
Q:Ask you a question: how the computer CD-ROM power supply 5V and 12V two lines? Another audio and video cable which group?
Cable bridge at both ends to be installed across the ground wire, ground wire diameter can not be less than 16mm2. Wire ends and wire ends of the middle box to be installed at both ends of the ground wire, grounding wire diameter can not be less than 6mm2. Full length bridge with the grounding system connected to not less than 2. Cable bridge is divided into trough, tray and ladder-type, mesh and other structures, by the bracket, arm and installation accessories and other components. Can be set up independently, can also be attached to a variety of structures (structures) and corridor stent, reflecting the structure is simple, handsome in appearance, flexible configuration and easy maintenance features, all parts are required galvanized, installed in the building Outside the bridge, if it is in the vicinity of the sea or belong to the corrosion area, the material must have anti-corrosion, moisture resistance, good adhesion, high impact resistance of the physical characteristics. According to the relevant provisions of the specification, galvanized cable bridge for a good grounding. galvanized cable tray direct board each fixed bolt contact resistance should be less than 0.005Ω, then the cable bridge can be used as a ground trunk (dusting cable tray should not be used as a grounding line), the resistance of each cable bridge can be the following formula Calculate: r = ρ · L / S where: ρ = 15 × 10Ω-6 / cm (20 ℃); L = length calculated by 100mm; S = cross-sectional area of ​​cm2. The unit resistance value of the ladder on the pallet is shown in Table 2. The unit resistance value of the cable duct is shown in Table 3 The resistance of each ladder (or each cable slot) after the installation of the cable tray is the total: R = R (r + 1 / 3r ') where: R - ladder, that is, (cable trough) total length of the total resistance (mΩ); r - ladder unit length resistance (mΩ / m)
Q:Engineering materials inspection, all types of cable wires should be issued a test report?
That is to tell you the code, then you will not do now you have to do the password
Q:What are the varieties of wire and cable (detailed point)
Fiber engineering to see what you are doing, first of all is the cable selection model need to use the number of cable cable. There is a light converter, ODF frame. Open signal will use passive splitter, pigtail, fiber jumpers, optical modules. Brand you have a lot, and you want to domestic or foreign.
Q:How to find the phone number on the 110 patch panel
Especially the external hard disk box, when used very prone to this situation
Q:How to determine whether the square of the cable is standard
laying the dark tube should be used when the steel pipe or flame retardant PVC pipe
Q:What is the role of patch panels generally, why should the switch connected?
If you are in a small city or town, go to some of the aluminum core series of cable (if you are in a small city or town), if you are in a big city, ask high, with copper core BV, BVVB, RV, VV series line Better, according to the level of regional economic development to purchase the cable, wire type.

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