Boca FDSP34AI, Руководство по установке

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31
SYMPTOM POSSIBLE REMEDY
No response
when you type in
AT commands
(contd)
AT commands not
visible.
After data
connection is
established, data
is displayed as
garbled
characters.
The modem does
not answer an
incoming call.
• Verify that the communication software
is set to the same communications port
where your modem was assigned.
Check IRQ settings on the modem.
• Try typing AT&F to reset the modem to
its factory defaults.
• Make sure the echo command is set to
ON. Change to echo with the ATE
command.
• Make sure the local (yours) and remote
modem configurations are compatible.
• Verify that both modems are operating
with the same settings, speed, data,
parity, and stop bits.
• The software may not be set for correct
terminal emulation. Configure software
to correct type. ANSI terminal
emulation is most commonly used.
• Power down your system and re-run
your communications software. Check
software settings.
• Exit the communications program and
restart it.
• You may not have enabled auto-answer.
Use your software to enable this
function.
Troubleshooting