🔌 SOHO Router: Physical Layer (L1) Functions Flashcards (1.3.2)

SOHO Router L1 Interface: LAN Ports

RJ45 ports (usually four) used to implement the local cabled network.

SOHO Router L1 Interface: Wireless

Radio antennae used to transmit and receive wireless signals for the local network.

SOHO Router L1 Interface: WAN Port (General Function)

A port dedicated to connecting to the Internet Service Provider's (ISP's) network via a type of modem.

Common WAN Port Type (Fiber/Ethernet)

Another RJ45 port (designed to connect to a Fiber-to-the-Premise or Ethernet-based ISP service).

Alternative WAN Port Type (DSL Service)

An RJ11 port (designed to connect to a Digital Subscriber Line service).

Alternative WAN Port Type (Cable Service)

An F-connector coax jack (designed to connect to a cable internet service).

Primary purpose of a SOHO router at L1

To provide the physical interfaces necessary for both local cabled/wireless and Internet (WAN) connectivity.