Serial Port
Dial-up Connection Details
If you are using a dial-up connection, the following data must
also be provided.
Telephone
One (1) number is essential. Use the format
described in your modem's user manual.
Modem
If your modem or ISDN TA is listed, simply
select it. Otherwise, try "Hayes compatible".
If this does not work, select "Other" and
enter the required "Initial String", as de-
scribed below
Initial String (AT Commands)
For the ISDN Access Server to function correctly, the modem
or ISDN TA must be configured correctly. The following table
shows the required settings, and the usual AT command.
Setting
AT Command
Fixed baud rate setting
AT&B1
RTS/CTS flow control
AT&K3
DCD to track the presence of a carrier
AT&C1
DTR off to hang-up modem
AT&D2
DSR always on
AT&S0
Modem to return modem-to-modem
data link speed
ATX4
Using these commands, the
Initial String
would be as follows:
AT&F&B1&K3&C1&D2&S0X4
The first command (AT&F) sets the modem to its factory
defaults. See
Appendix B - AT Commands
for further details.
Summary of Contents for IAS-240
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