What cable connector is used for telephones and modems?

You are installing an internal modem into a desktop computer system, and you need to connect the telephone cable to the modem. What kind of cable connector is used for telephone and modem connections?

A) IEEE 1394

B) RJ11

C) RJ45


The answer: B) RJ11

“Registered Jack” number 11 was created as a standard connector for telephone connections.

Want to know more? Watch “Network Cabling.”

The cable is the important component that links all of our networked devices together, but it’s a critical link that’s often overlooked. In this video, we’ll learn the importance of plenum-rated cable, explore the differences between copper and fiber, and examine network cabling types such as RS-232, USB, and FireWire. We’ll also examine the most common network connector types and discuss some troubleshooting methods you can use to keep your network cabling working perfectly.