Sierra Wireless AirCard 550PCS Connection Card, User Manual

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Section 3: Using the PCS Connection Card
52 3B: Data Connections
Dormant Connection
The PCS Connection Card is “active” during PCS Vision
connections when data transmission is occurring. If data
transmission over the network stops for a period of time, the
card becomes “dormant”. The period of inactivity that causes
the card to become dormant is set by Sprint and is always less
than one minute. This permits the card to be used for voice
calls when not actively needed for data.
When the card is in this state, you are able to make phone
calls with the card. You will not be able to transmit data (for
example, you won’t be able to browse the Web) during the
phone call, but the connection is not lost. When you end the
phone call, data transmission is automatically resumed.
When the card has an active PCS Vision connection, you
cannot make phone calls.
Note: Some programs may be unable to function on a dormant connection.
During dormant PCS Vision connections, the connection
icon in the indicator area of the PCS Connection Manager
window is grayed out: