3.1 - Fiber Connectors Flashcards
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What is an RJ11 connector and what is it used for?
An RJ11 connector is a 6-position, 2-conductor connector commonly used for traditional analog telephone connections and DSL modems.
How does an RJ45 connector differ from an RJ11 connector?
An RJ45 connector is an 8-position, 8-conductor connection used for Ethernet, while an RJ11 is smaller and has fewer conductors.
Which connector is used for cable television and internet from cable companies?
The F connector, used with coaxial cables, features a threaded connection to secure it in place.
What is a punch down block and where is it commonly used?
A punch down block is used in data centers or large computer rooms to manage and connect network cables by physically pushing wires into the block.
Describe the differences between USB 1.1/2.0 and USB 3.0 connectors.
USB 1.1 and 2.0 have standard A and B plugs, while USB 3.0 connectors have additional pins to support higher speeds and bandwidth. The standard A plug is similar in size to previous versions.
What is unique about a USB C connector?
The USB C connector is double-sided and can be plugged in either orientation. It supports various signals beyond serial connections, including Thunderbolt and DisplayPort.
What does a Molex connector provide and where is it used?
A Molex connector is a four-pin power connector used to provide 12V and 5V power to devices inside a computer, such as hard drives, optical drives, and fans.
How does the Lightning connector differ from micro USB connectors?
The Lightning connector is an 8-pin connector used for data transfer and power on iPhones and iPads, with no top or bottom orientation, unlike micro USB connectors.
What is a DB9 connector and where is it commonly used?
A DB9 connector is a 9-pin D-subminiature connector used for RS232 serial communication, commonly found in data centers for managing switches, routers, and other infrastructure devices.
What is an LC connector and what is its purpose in fiber optic connections?
An LC connector is a small fiber optic connector with two separate fiber connections inside, used for both transmit and receive, or as separate strands depending on the application.
What is an ST connector and how does it connect?
An ST connector, or straight tip connector, has a long ferrule and uses a bayonet connection with a quarter turn to lock into place.
What is an SC connector and what is its design characteristic?
An SC connector, or subscriber connector, is known for its square shape and can be used in single or combined configurations for fiber optic connections.
