HP MT40 User's Guide download pdf (Page 41)

Connecting to a WLAN

To connect to a WLAN, follow these steps:

1. Verify that the WLAN device is turned on. If it is on, the wireless light is white. If the wireless light

is amber, press the wireless button.

2. Open Network Connections by selecting Start > Control Panel > Network and Sharing

Center.

NOTE: You must commit these changes in order for them to be saved. For additional information,

refer to

HP Write Filters on page 3.

NOTE: The functional range (how far your wireless signals travel) depends on WLAN

implementation, router manufacturer, and interference from other electronic devices or structural

barriers such as walls and floors.

More information about using a WLAN is available through your ISP and the user guide included with

your wireless router and other WLAN equipment.

For a list of public WLANs near you, contact your ISP or search the Web. Web sites that list public

WLANs include Cisco Internet Mobile Office Wireless Locations, Hotspotlist, and Geektools. Check

with each public WLAN location for cost and connection requirements.

Using wireless security features

When you set up a WLAN or access an existing WLAN, always enable security features to protect

your network from unauthorized access. The most common security levels are Wi-Fi Protected

Access (WPA)-Personal and Wired Equivalent Privacy (WEP).

When setting up a network, use one or more of the following security measures:

●

Wireless encryption—Your computer supports three encryption protocols:

◦

Wi-Fi Protected Access (WPA)

◦ Wi-Fi Protected Access II (WPA2)

◦

Wired Equivalent Privacy (WEP)

NOTE: HP recommends that you select WPA2, which is the most advanced of the three encryption

protocols. The use of WEP encryption is not recommended, because it can be overcome with little

effort.

● Wi-Fi Protected Access (WPA) and Wi-Fi Protected Access II (WPA2) use security standards to

encrypt and decrypt data transmitted over the network. Both WPA and WPA2 dynamically

generate a new key for every packet, and they also generate a different set of keys for each

computer on the network. To accomplish this:

◦

WPA uses Advanced Encryption Standard (AES) and Temporal Key Integrity Protocol

(TKIP).

◦ WPA2 uses Cipher Block Chaining Message Authentication Code Protocol (CCMP), which

is a new AES protocol.

● Wired Equivalent Privacy (WEP) encrypts data with a WEP key before it is transmitted. Without

the correct key, others will not be able to use the WLAN.

Using WLAN 31

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HP MT40 User's Guide Page 41

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