What is USB ?
What is USB ?
USB is the abbreviation of Universal Serial Bus in English. It is an external bus standard used to regulate the connection and communication between computers and external devices. It is an interface technology applied in the PC field.
Universal Serial Bus, USB is an emerging data communication method that gradually replaces other interface standards. It was jointly formulated by computer companies and communication companies such as Intel, Compaq, Digital, IBM, Microsoft, NEC and Northern Telecom in 1995, and gradually Formed an industry standard
USB is a serial bus standard and a technical specification for input and output interfaces. It is widely used in information communication products such as personal computers and mobile devices, and is extended to photographic equipment, digital TV (set-top boxes), game consoles and other related products field
The latest generation is USB4, the transmission speed is 40Gbit/s, the three-stage voltage is 5V/12V/20V, the maximum power supply is 100W, and the new Type C interface allows positive and negative blind insertion.
USB 1.0 appeared in 1996, with a speed of only 1.5Mb/s (bits per second); it was upgraded to USB 1.1 in 1998, and the speed was greatly increased to 12Mb/s, which can be seen on some old devices interface.
USB1.1 is a relatively common USB specification, with a transfer rate of 12 Mbps in high-speed mode and 1.5 Mbps in low-speed mode.
The USB2.0 specification is evolved from the USB1.1 specification.
Its transfer rate reaches 480Mbps, which is 60MB/s converted to MB, which is enough to meet the rate requirements of most peripherals.
The "Enhanced Host Controller Interface" (EHCI) in USB 2.0 defines an architecture that is compatible with USB 1.1.
It can drive USB 1.1 devices with USB 2.0 drivers. That is to say, all devices that support USB 1.1 can be used directly on the USB 2.0 interface without worrying about compatibility issues, and accessories such as USB cables, plugs, etc. can also be used directly.
The USB 3.0 Promoter Group, composed of industry giants such as Intel, Microsoft, Hewlett-Packard, Texas Instruments, NEC, ST-NXP, etc., announced that the new-generation USB 3.0 standard formulated by the organization has been officially completed and publicly released.
The theoretical speed of USB 3.0 is 5.0Gb/s, but in fact it can only reach 50% of the theoretical value, which is also close to 10 times that of USB 2.0.
USB 3.0 will be referred to as "USB SuperSpeed" in actual device applications, conforming to the previous USB 1.1 FullSpeed and USB 2.0 HighSpeed
USB 3.1 Gen2 is the latest USB specification, which was initiated by companies such as Intel. The data transfer speed can be increased to a speed of 10Gbps.
USB 3.1 Gen2 is compatible with existing USB 3.0 (ie USB 3.1 Gen1) software stacks and device protocols, 5Gbps hubs and devices, and USB 2.0 products.
The latest USB naming convention of USB-IF, the original USB 3.0 and USB 3.1 will no longer be named, and all USB standards will be called USB 3.2. Considering compatibility, USB 3.0 to USB 3.2 are respectively called USB 3.2 Gen 1. USB 3.2 Gen 2, USB 3.2 Gen 2x2.
The USB 4.0 specification was published on August 29, 2019 by the USB Implementers Forum. USB4 is based on the Thunderbolt 3 protocol. It supports 40 Gbit/s throughput, is Thunderbolt 3 compatible, and is backward compatible with USB 3.2 and USB 2.0.
Type of interface
USB A Type
USB Mini B 5 Pin Type
USB Mini B 4 Pin Type
USB Mini 8 Pin Type
Micro USB Type
USB 3.1 Type-C
Premier Cable D type socket USB female to female connector panel mounting
Premier Cable D-Shape USB Female Socket Chassis Panel Mount Connector
Premier Cable USB Feed through chassis D series panel mount adapter
Premier Cable USB Type A Feedthru Panel Mount D Type Connector
Premier Cable USB Socket D-Type Module Panel Mount Bulkhead
Premier Cable D-size Feed Through chassis USB2.0 A-A adapter
USB Panel Mount Female to Female Coupler provide a more stable transmission environment for data in the electronic information environment
USB Connector Gold Plated Contact Pins , Easy to install front panel mount , D shape XLR Housing panel connector
Type : USB adaptor
Model : D-type USB
Format : USB D-shape housing
Gender : USB A Female to A Female
Style : Panel Chassis Mount , Flange Panel Mount
USB3.0 female to female connects two USB cables, which are widely used for digital TV and computer data transmission with USB interface.
USB D-size feed through chassis USB A-A adapter through rigorous testing to ensure high grade materials and quality that provide secure connections.
Can Be Installed : Standard D-type international installation port, can be installed in a fixed position, suitable for 86 panels, ground plugs, wall plugs, desk plugs.
While there are many factors to consider when designing an overall system, terminal blocks are an optimal solution for complex electrical system connections. With a variety of color options and configurations, Premier Cable’ terminal blocks offer a range of options to meet your design challenges.
CAN-bus has been widely used in various automation control systems. For example, CAN-bus has incomparable advantages in various fields such as automotive electronics, automatic control, smart buildings, power systems, and security monitoring.
M12 encoding types are A encoding, B encoding, D encoding and X encoding. A-code, B-code and X-code are some of the earliest developed and longest-available M12 connectors. The latest M12 coding types currently under development are K coding for AC and L coding for PROFINET DC.
The three different sizes of NMEA 2000 certified DeviceNet standard cabling are "micro," "mid," and "mini."
The Premier Cable Starter Kits provide everything you need to get to create a basic NMEA 2000 network from scratch.
DeviceNet_network is a fieldbus network protocol based on Controller Area Network (CAN). In the DeviceNet network, the terminal resistor plays the role of compensation and protection for signal transmission. The function of the terminal resistor is to eliminate signal reflection and interference and ensure the signal transmission quality.