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The vector stencils library "Cisco switches and hubs" contains 26 symbols for drawing computer network diagrams using the ConceptDraw PRO diagramming and vector drawing software.
"A network switch (sometimes known as a switching hub) is a computer networking device that is used to connect many devices together on a computer network. A switch is considered more advanced than a hub because a switch will only send a message to the device that needs or requests it, rather than broadcasting the same message out of each of its ports.
A switch is a multi-port network bridge that processes and forwards data at the data link layer (layer 2) of the OSI model. Some switches have additional features, including the ability to route packets. These switches are commonly known as layer-3 or multilayer switches. Switches exist for various types of networks including Fibre Channel, Asynchronous Transfer Mode, InfiniBand, Ethernet and others." [Network switch. Wikipedia]
"An Ethernet hub, active hub, network hub, repeater hub, multiport repeater or hub is a device for connecting multiple Ethernet devices together and making them act as a single network segment. It has multiple input/ output (I/ O) ports, in which a signal introduced at the input of any port appears at the output of every port except the original incoming. A hub works at the physical layer (layer 1) of the OSI model. The device is a form of multiport repeater. Repeater hubs also participate in collision detection, forwarding a jam signal to all ports if it detects a collision.
Some hubs may also come with a BNC and/ or Attachment Unit Interface (AUI) connector to allow connection to legacy 10BASE2 or 10BASE5 network segments." [Ethernet hub. Wikipedia]
The example "Design elements - Cisco switches and hubs" is included in the Cisco Network Diagrams solution from the Computer and Networks area of ConceptDraw Solution Park.
Cisco switches and hubs symbols
Cisco switches and hubs symbols, workgroup switch, voice-enabled workgroup switch, voice switch, voice-enabled ATM switch, virtual layer switch, small hub, server switch, program switch, multilayer switch, layer 3 switch, multilayer switch with Si, multilayer remote switch, multifabric server switch, long reach CPE, layer 2 remote switch, data center switch, service module, content switch, content service switch 1100, access gateway, MGX 8000 multi service switch, LAN2LAN switch, ISDN switch, IP DSL switch, Cisco hub, ATM switch, 100BaseT hub,

UML composite structure diagram - Drive a taxi

For motor vehicles, the detailed tasks include: (1) Starting the vehicle's engine
Wikipedia] The UML composite structure diagram example "Drive a taxi" was 

Cisco Routers . Cisco icons, shapes, stencils and symbols

The Cisco Network Diagrams solution uses Cisco network symbols and Cisco
Cisco storage router ; Router with firewall ; Wireless router ; ASR 1000 series 

Cisco Products Additional. Cisco icons, shapes, stencils and symbols

Additional contains equipment symbols for drawing the computer network
diagrams. VPN concentrator; SSL terminator; CDM (Content Distribution
Manager) Fibre channel disk subsystem; Fibre channel fabric switch ; Generic
gateway 

Mobile data offloading - Wireless network diagram

Wikipedia] The example "Wireless network diagram - Mobile data offloading" was
Wireless network diagram , road, outdoor access point , indoor access point , 

Electrical Symbols , Electrical Diagram Symbols

It wasn't so easy to create Electrical Symbols and Electrical Diagram as it is now
bistable current switches, current controllers , regulators, electrical generators,
and . MS Visio , and many other graphic formats) from the ConceptDraw
Solution . telecom wireless plan, and other electric visual and
telecommunication floor 

Cisco Network Topology. Cisco icons, shapes, stencils and symbols

The Cisco Network Diagrams solution uses Cisco network symbols and Cisco
icons The Cisco Network Diagram shows how signals act on the networked
devices , Cisco File Server; Firewall , horizontal; Firewall , vertical; Firewall ,
vertical, 

Cisco routers - Vector stencils library

The vector stencils library " Cisco routers " contains 27 symbols of routers for
drawing Cisco computer network diagrams. "When multiple routers are used in 

Network Security Devices

The most popular network security devices are firewalls - network security The
drawing tools of Network Security Diagrams Solution are very useful for network  

Network VOIP. Computer and Network Examples

Voice-over-Internet protocol (VoIP) is a protocol of the voice communications and
multimedia sessions through the Internet or other packet-switched networks. to
use regular telephone networks through any internet service provider and
anywhere. Network Diagram Software; Cisco Network Diagram Software;
Logical 

Hotel reservation system

This hotel computer reservations system cycle process chart example was or
central reservation system ( CRS ) is a computerized system used to store and
The cycle process diagram example "Hotel reservation system" was created
using 

Cisco Network Topology. Cisco icons , shapes , stencils and symbols

Cisco icons are worldwide acknowledged and mainly established as standard
BBSM; ATA; SIP Proxy Server ; NetRanger; Cisco 1000; IP; System controller;
ACE ConceptDraw PRO native Mac app; Easier to use than Microsoft Visio ®
and