Common Network Devices

Terminal device

It is the end-device of the data communication system. It provides the necessary functions required by the user access protocol operations.

network interface card

is a key component that connects directly to a device that allows access to a network such as an internet or a local network.

Ethernet switches

Switches belonging at the access layer are usually Layer 2 switches, also known as

broadcast domain

is a set of nodes that can receive broadcast packets from a node.

Switch

It is the device closest to end-users, used to access the network and switch data frames.

modem

is a device that connects a network to the Internet. It takes signals from your Internet service provider (ISP) and translates them into signals connected to the local devices

Gateway

is a term for a router that provides functions such as protocol conversion, route selection, and data exchange whennetworks using different architectures or protocols communicate with each other.

Router

It is a network-layer device that forwards data packets on the Internet.

Firewall

It is a network security device used to ensure secure communication between two networks.

Wireless Devices

It is a network that uses radio waves, laser, and infrared signals to replace some or all transmission media in a wired LAN.

Fat Access Point

applies to homes. It works independently and needs to be configured separately. It has simple functions and low costs.

Fit Access Point

applies to medium- and large-sized enterprises. It needs to work with the AC and is managed and configured by the AC.

Access Controller

is generally deployed at the aggregation layer of the entire network. The AC provides wireless data control services featuring large capacity, high performance, high reliability, easy installation, and easy maintenance.