Boca 112k DynamicDuo, Справочник по аппаратуре

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n
Verify that the communication software is
set to the same communications port
where your modem is attached (e.g.,
COM1, COM2). Check IRQ settings in the
Control Panel.
n
Try typing AT&F to reset the modem to its
factory defaults.
n
Move the modem to another serial port
(power down the host computer first
power down the host computer first
power down the host computer first power down the host computer first power down the host computer first). If
the modem works after being moved, it’s
likely the problem is not with the modem.
n
Make sure the echo command is set to
ON. Change to echo with the ATE
command.
n
Make sure the local (yours) and remote
modem configurations are compatible.
n
Verify that both modems are operating
with the same settings, speed, data, parity,
and stop bits.
n
The software may not be set for correct
terminal emulation. Configure software to
correct type. ANSI terminal emulation is
most commonly used.
SYMPTOM POSSIBLE REMEDY
Modem does Modem does Modem does Modem does Modem does
not respond
not respond
not respond not respond
not respond
(contd)
(contd) (contd) (contd) (contd)
A A A A AT commands T commands T commands T commands T commands
not visible. not visible.
not visible. not visible. not visible.
After data After data
After data After data
After data
connection is
connection is
connection is connection is connection is
established,
established,
established, established, established,
data is
data is
data is data is data is
displayed as
displayed as displayed as displayed as displayed as
garbled
garbled garbled garbled garbled
characters.
characters.
characters. characters.
characters.
Troubleshooting Troubleshooting
Troubleshooting Troubleshooting Troubleshooting
9346.p65 11/20/97, 9:33 AM 19