phone jack

Thân thiện

A technician plugs a phone jack into the wall socket.

Definition

Noun: A phone jack is a socket or receptacle on a wall or device designed to accept the plug from a telephone line, enabling a physical connection for telephone service.

Usage

A phone jack is the physical interface where you connect a telephone or modem. It is typically found in residential and commercial buildings as part of the internal wiring system. * Ensure the cord is firmly plugged into the phone jack. * The technician installed a new phone jack in the home office. * I can't get a dial tone; is the telephone cord securely in the phone jack?

Advanced Usage

• The term can be used metonymically to refer to the point of access for landline telephone service.
  • The old house still has phone jacks in every room, though we no longer use them.

Variants and Related Words

• Telephone jack: A full, synonymous term.
• RJ-11 jack: A more technical term specifying the standard modular connector type most commonly used for phone jacks in many countries.
• Wall jack: A general term that could refer to a phone jack or other types of connection sockets (e.g., Ethernet, cable) mounted on a wall.

Synonyms

• Telephone socket
• Telephone connection point

Antonyms / Contrasting Terms

• Wireless connection: A method of connecting without a physical port.
• Ethernet port / RJ-45 jack: A similar-looking but typically larger port used for wired computer network connections, not for standard telephone voice lines.

Notes on Meaning

• A phone jack is specifically for analog telephone lines (POTS - Plain Old Telephone Service) or DSL internet connections that use the telephone line. It is distinct from ports used for other communication types, such as internet (Ethernet) or cable television.

Học thuật

Noun

1. a jack for plugging in a telephone

Từ đồng nghĩa

• telephone jack