Lexmark Platinum Pro905 User's Guide - Page 118

What is a network?, How do I find out what type of security my network is using?

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What is a network? A network is a collection of devices such as computers, printers, Ethernet hubs, wireless access points, and routers connected together for communication through cables or through a wireless connection. A network can be wired, wireless, or designed to have both wired and wireless devices. Devices on a wired network use cables to communicate with each other. Devices on a wireless network use radio waves instead of cables to communicate with each other. For a device to be able to communicate wirelessly, it must have a wireless network adapter attached or installed that lets it receive and transmit radio waves. How do I find out what type of security my network is using? You must know the WEP key or WPA passphrase and the type of security (WEP, WPA, or WPA2) used on the wireless network. To obtain this information, see the documentation that came with your wireless access point (wireless router), see the Web page associated with the wireless access point, or consult your system support person. Note: The WEP key or WPA passphrase is not the same as the password for the wireless access point. The password allows you to access the wireless access point settings. The WEP key or WPA passphrase allows printers and computers to join your wireless network. How are home networks configured? For desktop computers, laptops, and printers to communicate with each other over a network, they must be connected by cables and/or have wireless network adapters built in or installed in them. There are many different ways a network can be set up. Five common examples appear below. Note: The printers in the following diagrams represent printers with internal print servers built in to them so that they can communicate over a network. Wired network example • A desktop computer, a laptop, and a printer are connected by Ethernet cables to a hub, router, or switch. • The network is connected to the Internet through a DSL or cable modem. Internet Networking 118

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What is a network?
A network is a collection of devices such as computers, printers, Ethernet hubs, wireless access points, and routers
connected together for communication through cables or through a wireless connection. A network can be wired,
wireless, or designed to have both wired and wireless devices.
Devices on a wired network use cables to communicate with each other.
Devices on a wireless network use radio waves instead of cables to communicate with each other. For a device to be
able to communicate wirelessly, it must have a wireless network adapter attached or installed that lets it receive and
transmit radio waves.
How do I find out what type of security my network is using?
You must know the WEP key or WPA passphrase and the type of security (WEP, WPA, or WPA2) used on the wireless
network. To obtain this information, see the documentation that came with your wireless access point (wireless
router), see the Web page associated with the wireless access point, or consult your system support person.
Note:
The WEP key or WPA passphrase is not the same as the password for the wireless access point. The password
allows you to access the wireless access point settings. The WEP key or WPA passphrase allows printers and computers
to join your wireless network.
How are home networks configured?
For desktop computers, laptops, and printers to communicate with each other over a network, they must be
connected by cables and/or have wireless network adapters built in or installed in them.
There are many different ways a network can be set up. Five common examples appear below.
Note:
The printers in the following diagrams represent printers with internal print servers built in to them so that
they can communicate over a network.
Wired network example
•
A desktop computer, a laptop, and a printer are connected by Ethernet cables to a hub, router, or switch.
•
The network is connected to the Internet through a DSL or cable modem.
Internet
Networking
118