The scenes of entering the university still vividly, and in the twinkling of an eye, they have spent their first semester. Looking back on the summer vacation after the college entrance examination, the students started to work on the new computer. I watched the ASUS xxx with four years of hands. I thought that the 5400rpm mechanical hard disk was slow, but I could install the solid state in the optical drive. The second generation Core i5 was not enough. PGA package allows me to upgrade the processor ah ~ Although PS, VS, AS start very slowly, but I can not open the background ah ~ (before the memory has been upgraded) then settle down and take it to college ~ Peace of mind is strange! Not to mention throwing performance, weight and life is the key! The weight of 2.5kg is packed in a schoolbag, and it is not enough to add a Silss physics, let alone other teaching materials. In addition, I am accustomed to using OneNote to record class notes instead of the traditional paper and pen, so the class must bring a computer. The old battery is not enough, but the original new machine can only use four hours, let alone today can barely support an hour. Can not meet the needs of 6~10 classes a day! Decided to change the machine. Taking into account the weight and life, locked Ultrabook; for their own preferences, limited to 13.3 inches; due to professional relations, often run the virtual machine, 8G memory is at least; then aimed at xps13 and Xiaoxin 13 pro, however The former is too expensive, and the latter's shape is rather strange (personal feeling only, not like the shape of the body, and the small new non-integrated body leads to the edge "folding" a lot). Then one day, inadvertently saw the millet Air13, i5-6200U/8G/256G, 14.8mm/1.28kg, 5.59mm narrow border, I feel thin and beautiful, sex can be used, the price is not expensive, decisive start - although for the millet This early generation product has concerns, but the dead-minded faction only speaks with the data. Oh yes, at the time the notebook was still in a state of being rushed to purchase. You asked me how to "resolutely" start and called the classmates together to help grab the ah ~ The first impression on hand: It's so thin! Because millet's notebook screen is thick, it feels thin after opening the lid. Take a pen to compare, and in the case of pad elevation, the latter is almost as high. The measured weight of the electronic balance in school physics laboratory is 1.30kg, which is within the floating range. As for the thickness of the whole machine, it is relatively fascinating, because the supporting force on the A side is not enough, the force will sink, and if the spiral micrometer can be used, it can be screwed. Go on. . . Fortunately, the metal surface treatment process passed, leaving no wear scars. The millet notebook uses an all-in-one aluminum body, anodizing process, relatively wear-resistant, C surface color and keyboard color has always been, looks very harmonious; certainly not comparable to the Macbook, the latter's feel is much milder (after all There is a lot of difference between the two strengths.) No LOGO design A side, provides a free custom space, closed after the feeling of buying a large metal mouse pad (when the external monitor is the notebook when I use the mouse pad) Finished the appearance, talk about life. 13-inch millet notebook is equipped with a 39Wh lithium battery, this parameter is slightly weak in the ultra-pole book, similar products are generally equipped with a 45Wh or higher capacity, good enough. In the case of 15% brightness on the screen, power-saving mode is enabled, medium and low load (Continuous use of Office, occasionally open webpage search information) can be used under 5 hours, light load (Continuous reading pdf file, open Word or OneNote or Sublime Typing can last up to 8 hours. Usually stable in a section of class + a section of class (55 minutes in total) consumes 10% of the level of electricity (because the class will not continue to use the computer); if you properly limit the CPU frequency and usage rate, down 10 lessons a day , but also the remaining 20% ​​of the electricity, more satisfactory. Recently, the ThrottleStop software was found to be more convenient for adjusting multipliers, allowing the CPU to run at lower frequencies at low loads. In addition, Xiaomi 13-inch support for 1C charging, can charge 50% of the electricity within 30 minutes (the actual measurement is indeed the case), means that during the short lunch break can be significantly increased power, more practical. Because it is type-C mouth to run USB PD protocol for charging, millet notebook can also use universal mobile power to charge, I recently supported the purple rice on the Jingdong crowdfunding 10th mobile power, feeling in the lab after playing One day + one overnight will not worry about no electricity Performance, i5-6200U is better than my old computer i5-2450M, sex can be used; 940MX discrete graphics is not strong, but the Photoshop CC acceleration is still very obvious, and will not be like using xps13 students Encountered writing program calls CUDA results found no graphics card defects. Usually do not play games, occasionally playing MC, in the open low-effect light backwater can barely lock in 60 frames, compared to the nuclear display is not open light often also fell to more than 40 frames is much better. In other aspects, a standard-size HDMI interface is provided, and it is very convenient to directly connect the projector during Group Presentation; the full-featured Type-C interface of the USB 3.1 protocol can expand Disport so that it supports dual output of 4K/30Hz. And egg); but buy a Type-C docking station, connected to the monitor, charger and USB Hub, back to the bedroom simply plug in a plug, notebook seconds change the mouse pad (mis), cough, seconds to change the host, it is very Cool experience. The millet notebook came out with a Samsung screen, and the batch I bought became a Sharp screen (it is said that the quality has dropped slightly). The display effect is not bad, and the light leakage is not serious, but I heard that the recent batch had been replaced with BOE's screen and it was a bit of a pit... However, the details are remarkable. Glass touchpad feels good, JBL audio tenor part restore is also very good, but the interface work is really rough 分离 Board connector and fuselage shell separated seriously You can see the inside of the fuselage at the screen shaft After less than one month of purchase, the connector of the charger is in poor contact (should be internal disconnection, it should not be). At that time, no heat-shrinkable tube was found, and the tape was temporarily glued two times. In addition, the touchpad and the body are slightly non-parallel; the keyboard is soft; there is a clear gap between the screen and the fuselage on the right after closing the lid, which can kill Virgo... In general, Xiaomi Air13.3 configuration is relatively balanced, weight thickness and life are also controlled well, one body and no LOGO is very my personal taste. However, the details of the workmanship are still underdeveloped, which is slightly insufficient. This makes the notebook more biased towards an industrial product than a consumer product. Egg The screen uses a variable damping shaft that can be opened with one hand, which is very convenient. The palm rest part has a magnet to attract the screen, of course, can also attract coins ... ... but the notebook is thinner than a dollar coin!
The POE splitter is opposite to the POE power supply. POE power supply combines data signal and power, so POE power supply is also called POE combiner. The working process of the POE splitter is just the opposite, which separates the data signal from the power. If data terminals such as network cameras (IPC), wireless APs, and IP phones support POE power supply, you do not need to use a POE splitter when wiring, and you can directly supply power via a network cable. The POE splitter is mainly used for PSE devices such as POE Switches and POE power supplies at the upper end, but the devices connected to the lower end do not support POE. The POE splitter separates the power supply into data signal and power. There are two output lines, one is the power output line, and the other is the network data signal output line, that is, the ordinary network cable. The power output has 5V/9/12V, etc., which can match various DC input non-POE power receiving terminals, and supports the IEEE 802.3af/802.3at standard. The data signal output line, that is, the ordinary network cable, can be directly connected to the network port of the non-POE power receiving terminal.
The POE splitter is used in conjunction with PSE power supply equipment to supply power to network equipment such as wireless APs, wireless routers, IP cameras, and IP phones in a network environment that lacks a power cord or is far from a power outlet. In many monitoring occasions, the best location for monitoring may not be very convenient for equipment to obtain power. The emergence of POE splitters facilitates the integration of equipment that does not support POE power supply into the POE network, and the monitoring equipment does not have to sacrifice the most to take care of the distance of the socket. Optimal installation location.
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