Cannot Connect To The Sprint Power Vision/Sprint Pcs Vision Network; Could Not Prepare Data Services; Unable To Prepare Data Services - Sierra Wireless AirCard 595 User Manual

Cannot Connect to the Sprint Power Vision/
Sprint PCS Vision Network
If you're having problems connecting, or there's no Sprint Power Vision (1x-EVDO)
coverage in your area: set Network Mode (from the Sprint PCS Vision option of the
Settings window) to 1X Only, and try to establish a connection.
If the connection is dropped as soon as it is established:
1. Select:
(Windows XP) Start > Control Panel > Network Connections
(Windows 2000) Start > Settings > Control Panel > Network and Dial-Up
Connections
2. Right-click Sprint PCS Vision - Sierra Wireless, and select Properties.
3. Select the Networking tab.
4. Select Settings.
5. Ensure that "Enable LCP Extensions" and "Negotiate multi-link for single link
connections" are not selected.
6. Click OK.

Could Not Prepare Data Services

See "Unable To Prepare Data Services" below.

Unable To Prepare Data Services

Note: The message may appear as "Could not prepare data services. Please contact..."
The Sprint Mobile Broadband Card was unable to access the IOTA server to obtain
data account parameters for you. This may be because the signal strength is poor
or because the IOTA server is not responding.
Confirm you have sufficient signal strength. Try the actions listed for
"Searching for Service" (page 77).
Contact Sprint for assistance (page 25).
This message may indicate that your system does not support 128-bit encryption
for high-security access to data provisioning. You will not be able to complete the
78 Section 3F: Troubleshooting Tips