User guide

106 UNIX Computers
You can now open typical communication applications to do anything
you would normally do through an Internet Service Provider (ISP).
To disconnect a packet data connection
1. On the command line of your computer, type
usernetctl ppp0 down and press Enter.
The connection is closed and the status is logged to the system log.
Making Asynchronous Data Connections
This section shows how to make a strictly asynchronous data connection
(for example: dialing into a BBS).
To make an asynchronous data connection
1. Make sure the Tri-Mode Phone is properly connected to your Linux
computer (as described in “Connecting UNIX Components” on page 89).
2. Turn on your Tri-Mode Phone.
3. Rotate the Globalstar satellite antenna (as shown on page 90) and
make sure you have a Globalstar signal.
4. On your computer, open Minicom (or a similar application).
5. Make sure the application is configured with the following settings:
6. Enter the AT command $QCPKND=1 and the telephone number you
want to dial.
For example: $QCPKND=1;T303-555-1212
7. Make the connection.
Setting: Value:
Data bits 8
Parity none
Stop bit 1
Baud rate Must match the baud rate on your Tri-Mode Phone (default:
38400). To check the baud rate on your Tri-Mode Phone, select
menu, then select Features > Data > Baud Rate.