What You Need to Know About DB9 Cables

There are varieties of cables connected to your computer for different purposes like connecting your CPU to the monitor, keyboard, mouse, main switch, etc. Today we are going to talk about a cable connecting the different input equipment like a keyboard, mouse, joystick, etc., to the computer for output results. That cable is known as DB9 cables.


In the world using USB and PS/2 interfaces, DB9 cables are still used in various devices. In its initial years, it used to be popular and probably the only cable promoting input devices to connect to the computer. Playing games using wired keyboards, mouse and joysticks is an unforgettable moment of many people's childhood. And if you have been one of those, then I am sure you might be knowing a bit about DB9 cables. Today, let us dig a bit deeper into it and its types

What Is DB9 Cable?

Let us start with its appearance. It consists of a 9-pin connector. Its name came from its trapezoidal shape that looks like the alphabet letter 'D’. You can use DB9 cables for connecting computer accessories. It can work with the EIA/TIA 232 serial interface standard cables. If you already know about these cables, you must be aware that these cables are replaced by RJ network cables. But as said earlier, there are several devices that use DB9 cables extensively.

Now let us know about its popular types and uses

  • 1ft DB9 M/F 9C Serial Straight from Extension Cable

If one wishes to extend your current male cable to another male cable, then one can use this male cable to female cable. What does this cable do? 1ft DB9 M/F 9C Serial Straight from Extension Cable prevents RFI and EMI interference with its fully shielded body. This cable supports modems, mice, serial printers, switch, mono, and even multi-sync video applications.

  • 6ft DB9 Female and 3.5mm Serial Cable

This DB9 serial cable is a generic serial cable used for devices. It consists of a stereo 3.5 mm Jack and DB9-F serial port. When can you use this cable? You can use it when you want to transfer any serial data back and forth from any small devices such as mobile phones to computers. To get these cables, you can search ‘DB9 serial cables near me,' and you will get many reputed companies as an option providing quality cables.

  • 12" DB9 Male and 2 Female Serial RS232 Splitter Cable

This is a 12 inches Male to Female serial RS232 Splitter Cable that is ideal to use for transferring signals from computer to scanner, mono monitor, DB9 serial mouse, etc. These DB9 connectors offer you excellent connections every time because of their fully molded feature.

Now that you know the basics about DB9 cables, it is important to note some points you should remember while buying them. This list will help you to choose the ideal DB9 cable type for your device.

Things to Remember While Buying DB9 Cables

  • The most important thing you need to remember is that the compatibility between your cable and device is crucial. Thus, make sure you know everything about it. This way, you can order DB9 cables according to your device settings and requirements. This will promote excellent cable performance. For this, you can start with finding out the dimensions. For instance, most mobile phones will need a 6 feet cable, however, it also depends on the nature of your mobile.

  • Ease of utility and the process of installation are also some of the factors that you should not miss considering. You should make sure that the cable you choose is easy to install, compatible with your device, and enhances the experience of your output.

  • Last but not the least, make sure you buy any type of DB9 serial cable from an authentic online company. This way you can get high-quality products. Some companies even offer warranty cards on their products. Thus, you can be on the safer side while experiencing great output of the cables.

There are different types of cables and connectors available in DB9 series like DB9 null modem cable and DB9 connectors. You can use them for different purposes, for instance, DB9 null modem cable can be useful for connecting two DTE devices together without the need of using a DCE device.

I hope you this article helped you to know more about DB9 cables. Here, we discussed what DB cable is, its types, and usage. We also discussed points that you should consider for making a better DB9 cable purchase.


Source: https://sfcableinc.blogspot.com/2022/01/what-you-need-to-know-about-db9-cables.html