User guide

AirCard 781S Mobile Hotspot User Guide
60 2400389
Unable to access the AT&T Unite Pro
Manager homepage when connected to a
VPN.
If you are using your mobile hotspot while connected to a VPN, you may not be able to
access the AT&T Unite Pro Manager homepage using 
http://attunitepro.
To directly access the homepage hosted on the device, enter the address http://
192.168.1.1 in your browser.
Unable to connect a computer running
Windows® Vista® to the mobile hotspot.
Microsoft has a known issue whereby computers running Windows Vista cannot obtain
an IP address from certain routers. More information and a fix are available at 
http://support.microsoft.com/kb/928233 or go to the Microsoft support web site and
search for knowledge base article 928233.
My computer (or other Wi-Fi device) loses
its Wi-Fi connection to the mobile hotspot.
If a Wi-Fi device connects to your mobile hotspot’s Main Wi-Fi or Secondary / Guest
Wi-Fi network, but periodically loses the connection, try changing the default basic rate.
1. On the AT&T Unite Pro Manager homepage, log in as Administrator.
2. Click Wi-Fi on the navigation menu on the left side.
3. Click the Options tab.
4. In the Mode field for the appropriate Wi-Fi network, select 802.11b/g compati-
bility from the drop-down menu.
5. Click Submit.