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LEONARDO 56
4.4.
REMOTE DIGITAL LOPBACK
The target of this test is to verify the complete connection. When the modem
is ON line with the remote type before the escape sequence (+++) and then,
when the response OK is displayed enter the command AT&T6.
This command forces the remote modem in digital loop that means to connect
the digital send data and receive data before the remote computer.
You can send single or characters strings or files and they are received from
your computer. To exit from test condition type the escape sequence (+++)
and then, when the response OK is displayed enter the command AT&T0.
4.5.
REMOTE DIGITAL LOOPBACK WITH SELFTEST
The target of this test is to verify the complete connection using an internal
test pattern When the modem is ON line with the remote type the escape
sequence (+++) and then, when the response OK is displayed enter the
command AT&T7.
This command forces the remote modem in digital loop and a test pattern
and check the receive stream. The duration of this test is defined from register
S18.
Diagnostic
4.2
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