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• Make sure that your software and
modem are set to the same flow control
setting and to a fixed serial port rate (it
should not be 14,400 or 28,800).
• Type the following command to load the
template that enables hardware flow
control and other optimal settings:
AT&F1&D0<Enter>
If your communicationsIf your communications
software is reportingsoftware is reporting
many Cyclic Redundancymany Cyclic Redundancy
Check (CRC) errors andCheck (CRC) errors and
low Characters Perlow Characters Per
Second (CPS),Second (CPS),
• You might have a bad phone line. Place
the call again. The phone company
routes calls differently each time you call.
• Type the following command to load the
template that enables hardware flow
control and optimal settings:
AT&F1&D0<Enter>
• Lower the serial port rate in your
communications software to 38,400 bps
or 19,200 bps.
• Try a different file transfer protocol.
Zmodem is best. Ymodem is second best.
If errors are occurring in yourIf errors are occurring in your
V.17 (14.4) fax transmissions,V.17 (14.4) fax transmissions,
• Enter the following initialization string in
your software modem setup screen:
AT&D0&H3&I2&R2S7=90
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