Lexmark S400 Series manual How are infrastructure and ad hoc networks different?, 103

Models: S400 Series

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2Attach the small, square connector to the printer.

3Continue following the on-screen instructions.

How are infrastructure and ad hoc networks different?

Wireless networks can operate in one of two modes: infrastructure or ad hoc.

In infrastructure mode, all devices on a wireless network communicate with each other through a wireless router (wireless access point). Devices on the wireless network must have valid IP addresses for the current network and share the same SSID and channel as the wireless access point.

In ad hoc mode, a computer with a wireless network adapter communicates directly with a printer equipped with a wireless print server. The computer must have a valid IP address for the current network and be set to ad hoc mode. The wireless print server must be configured to use the same SSID and channel that the computer is using.

The following table compares the characteristics and requirements of the two types of wireless networks.

Infrastructure

Ad hoc

Characteristics

Communication

Through wireless access point

Directly between devices

 

 

 

Security

More security options

WEP or no security

 

 

 

Range

Determined by range and number of

Restricted to range of individual

 

wireless access points

devices on network

 

 

 

Speed

Usually faster

Usually slower

 

 

 

Requirements for all devices

 

 

 

 

 

Unique IP address for each device

Yes

Yes

 

 

 

Mode set to

Infrastructure mode

Ad hoc mode

 

 

 

Same SSID

Yes, including the wireless access

Yes

 

point

 

 

 

 

Same channel

Yes, including the wireless access

Yes

 

point

 

 

 

 

We recommend setting up a network in infrastructure mode using the installation CD that came with the printer.

Networking

103

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Lexmark S400 Series manual How are infrastructure and ad hoc networks different?, 103