SF Cable Inc

The first computers were huge and mainly used the command line interface. In order to perform the smallest tasks, you had to type them out using the keyboard. And the idea of the keyboard also came from the typewriter. These keyboards were connected to the computers via a cable. The DB9 connector is the smallest of the D sub type of connector . It has 9 pins for the male connector and 9 holes for the female port. It is a connector that is very popular when it comes to connecting with serial peripherals like mouse, keyboard, etc. to a computer. In the days of a wired computer setup, the db9 cable was perhaps the most used computer cable. Apart from essential accessories, the db9 cable attached mono printers, joysticks or even another computer. The 9-pin connector and cable were the industry standard. Anyone making computer accessories could build in the dp9 port for easy connection. If everyone already has your cable, it smoothens the buying decision of that product. So no...

Serial communication used to be one of the major ways to connect peripherals like scanners, joysticks and printers to PCs for several years. One of the most commonly used cable connector for this type of communication was 9-pin D-Subminiature connector which is also known as DB9 cable or a DE-9 cable. DB9 serial cables  has nine pins which were enough to carry data in the series. But it has certain drawbacks which made their usage less frequent. People started to prefer  USB cables  over DB9 cables. However, if you shop for electronics, you will still find several devices having DB9 cables or ports on them. Let us check out some of the advantages and disadvantages of DB9 D Subminiature Connectors. Advantages of DB9 Subminiature Connectors DB9 connectors have several advantages. You can easily customize them with 9 individual pins to carry serial data. Although the speed of these connectors is low as compared to other standards like USB, the length of these cables ...