Network cable, which is a computer network composed of the most modest, and most easily overlooked components.
In the formation of the network, most of the attention paid to people such as switches, routers, network interface cards, and other equipment, but the network cableis generally not too much to find fault. But with the expansion of the scale networks, the increased demand for network cable, network cableas the profit is gradually being valued by counterfeiters.
Judging from the current large volume of Apramycin AMP, Lucent AVAYA, Simon XIEMON, IBDN, and several brands of network cableproducts, almost every family is confronted with a fake their market erode, All kinds of people visit this can be really leave the enemy. On the market to more Super cat5 cabletwisted pair network cableas an example, the price per case from the more than 600 yuan to 200 yuan, the fakes are cheap, high prices can guarantee that the quality is definitely good for the purchase of are at a loss.
So, how to identify counterfeit network cable?
First, with a glance, what is clear you have obtained the network cablespecifications, different specifications network cablehas its own logo and different uses. Cat3 cableline logo is "CAT3" bandwidth M 10, applicableto Shizhao network, and currently they basically have already been eliminated; cat5 cableline logo is "CAT5" bandwidth M 100, 100M apply to the following networks; Super cat5 cablelines logo is "CAT5E", bandwidth 155 M, the current mainstream products; cat6 cablelogo is "CAT6", bandwidth 250 M, for the erection of Gigabit Ethernet is the future trend of development.
Then you can be on the high-temperature environments twisted pair test to see if in 35 ℃ to 40 ℃, outside the network cablewill be soft rubber, authentic network cablewill not change the soft, not necessarily on leave ; In addition, the use of twisted-pair copper cable in general do wire core, rather soft, and some unscrupulous manufacturers in order to reduce production costs, added copper to other metals, done conduit rather hard and difficult to bend , the use of easily lead to interrupted; are really outside the network cableis flame retardant also rubber, and some do not leave a flame retardant, did not meet safety standards, at the time of purchase worth a try.
Still far above Jiqiao alone can not deal with all the fake network cable, and counterfeiters cat3 cable line with the core line cat5 cable lines got caught up in the cortex, the manufacture and sale of such means is concealed, the naked eye can hardly tell. This bogus network cable within a short distance, can be reached cat5 cable line transmission speed, but in the distance a long time there will be slow transmission speeds, transmission of data packet loss or simply not detected signal, and so on. On this point, you can take a period of network cable for testing: from 100 meters network cable to computer networks, the use of Windows 98 in the "system monitors" or Windows 2000 "Network Monitor" personally test, if the test speed reached 100 Mbps, that is Category 5 twisted pair, if only 10 Mbps, the cable is used in three types of wire. This approach not only to be able to distinguish between three types of line and five lines, and twisted-pair cable can be used to test each of the wire twisting around in the standards, but also can be measured in metal wire medium eligibility. It must be noted that: In network speed test, twisted pair for the length of the standard length of 100 meters, otherwise the measured data of no practical significance.
Of course, these testing methods, not necessarily received very good results, the manufacture and sale of the means of continuously improve, allowing consumers increasingly Nansigoubie authenticity. In addition to dealing with fake identification ability to raise their own consumers, but also the needs of manufacturers and unremitting efforts.
However, in general, or select brand network cable and carefully screened in order to maximize the protection of our interests. Most companies have sophisticated cable in the field of large-scale production, under the premise of guaranteeing quality, its price can be significantly reduced, so that counterfeiters difficult to make profits. For example, well-known Foxconn (Foxconn)'s network cable products to be used this way, the market has not yet discovered the fake Foxconn network cable. So, so far, so counterfeiters is still unprofitable companies against counterfeit products one of the most effective means.
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