Cable common sense
received, 数据电缆) , its role is to connect mobile equipment and computer, to achieve data communication purpose. Popular point said, is to connect the computer to transfer fluid images such as file access tool. Now with the development of the electronics industry with each passing day, cable.com/data-cable' target='_blank'>data cable has become an integral part of our life.
from function to classification: Internet line; Flash line; Synchronous line; Charging line; Multifunctional line.
1, the Internet line, can only be used to GPRS or CDMA 1 x on the Internet.
2, flash line: can be used to upgrade flash.
3, synchronous line: used to transfer the phone book; Picture the bell; SMS; Multimedia data, etc. , of course, part is the two-way transmission, partial support only one-way transmission. This kind of cable is common.
4, charging line: usually surf the Internet in synchronous line or add a USB charging function, practical convenience, the Internet and text essential functions. Can be further subdivided into take charge and take charge switch two kinds, the former one in charge, the latter has a small switch, can control whether charging. With electric switch of the highest level, of course, the price also more expensive.
5, multifunctional line: at the same time support Internet, synchronization, flash, charging, etc. The function of two or more than two, samsung's new line and the dual interface, USB sync on the Internet; Serial flash.
from interface points: COM interface and USB interface
1, the COM interface is also called a serial port, is behind the desktop computer, is now obsolete. The advantage is low price, support flash ( Part of the mobile phone can only use a serial port line flash) ; Defect is pulling down the extremely inconvenient, does not support laptops, transmission speed is slow.
2, USB interface is the mainstream of the current advantage is convenient and fast stability, support for all types of computer; Defect is take IC price is a little higher, the other part of the data cable does not support the flash function.
the classification of the USB cable: without IC. With IC; Special chips.
1, without IC: have no central control chip, must plug in mobile computer to recognize the line, the price is cheap.
2, with IC: take the central control chip, the common chip of models for 2303, 2101, 3116, without mobile computer will recognize line, because a IC price is 10 yuan, so the price is expensive than that of without IC. Working principle of the cable is the USB to COM with chip, the USB interface is transformed into a serial port on the computer display.
3, special chip: the ordinary popular chip, special type of chip such as: DKU - 5、CA- 都柏林城市大学42岁, 11 and so on.
In today's world, have risen to an unexpected level of usb cable manufacturers. It has gained a lot of popularity and has come up with different kinds of variations in its content.
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