1. לשפוט את האותנטיות לפי המראה
The price of RJ45 connectors is not too expensive, and the ones sold in the market are generally between 0.5-2 yuan. Although not expensive, the price gap between them is very large. In order to avoid buying low-quality RJ45 connectors, the first thing to teach you is to judge its quality from the appearance.
First of all, the RJ45 connector looks bright and transparent, a bit like a crystal. If the quality is good, you will find that the exterior is very smooth. The materials of all parts are the same, without any impurities, and the transparency is relatively high. Secondly, the plastic port part of the RJ45 connector is relatively strong. We can simply judge it by squeezing the hollow part of the RJ45 connector by hand. If there is obvious deformation, then there is a quality problem; but the plastic shrapnel on the back of the RJ45 connector But the toughness needs to be quite good, you can try to bend it back, generally it can be easily bent about 180 degrees without breaking, and there will be no deformation after loosening.
If the appearance conforms to the above phenomenon, then the quality of the crystal head is relatively good. However, some crystal heads are made of materials that contain impurities, and the plastic sheet is broken or deformed after bending, indicating that its quality is very problematic.
טיפים: תפסו חופן מחברי RJ45 ולאחר מכן חבטו למעלה ולמטה בידכם. אם יש צליל חד, אז החומר המשמש עדיף; אם הצליל עמום, האיכות גרועה יותר.
The second step to observe the appearance is to check the appearance of its RJ45 connector. Because the size of the RJ45 connector is strictly regulated, we can connect the RJ45 connector to other devices (network cards, switches, etc.) with RJ-45 ports. After the connection is tightly connected, the left and right will not shake. The RJ45 connector cannot be removed by pressing the plastic shrapnel, indicating that its specifications are more accurate; on the contrary, there are obvious gaps after the connection, and it can be removed with a light touch, indicating that the manufacturing process is not good and there is a quality problem.
2. לשפוט את האותנטיות לפי יריעת הנחושת של מחבר RJ45
The most important part of the RJ45 connector is the top copper sheet, and its quality directly affects the quality of the RJ45 connector. When inspecting the copper sheet, first check to see if the cut edges of the metal terminal part are neat. Because inferior products are definitely not good in the manufacturing process, there will be a lot of metal burrs when observed with a magnifying glass; in addition, from the color point of view, the color of the copper sheet of a good RJ45 connector should be golden yellow, while the inferior product uses different materials. , The surface will become dark and black after oxidation.
In addition, we can also bring a small blade during the actual purchase process. There are two functions of the blade. One is to scrape the metal contact part of the RJ45 connector with a blade. If the copper on the top can be easily enclosed and the color inside is relatively dark, it must be fake; the copper plating on the opposite surface It is difficult to scrape off. Even if there is a small part that comes off, the metal contacts exposed inside are still bright; another function is to try to use the tip of a knife to pry the metal terminals. Generally speaking, the connections of good RJ45 connectors are very good. It's hard to pry it out because of labor, and the counterfeit RJ45 connector is not made properly, and it may fall off with just a touch.
