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6-1
6. The Internal Modem
This section lists commonly used AT commands for the APS-8/16M’s internal
modem, and briefly describes the procedure for communicating with the
internal modem. Please note that although APS-8/16M includes an internal
modem, any APS-8/16M RS232 port can also be configured for connection to
an external modem.
6.1. Communicating with the Internal Modem
To communicate with the APS-8/16M’s internal modem, proceed as follows:
1. Access the APS-8/16M command mode as described in Section 5.1.
Notes:
• If you log on to the APS-8/16M using a password that does not
permit Supervisor Mode, then you will only be able to connect to
the Internal Modem Port if your password allows access to that port.
Passwords that permit Supervisor Mode will always allow access to
all ports.
• To access the internal modem’s command mode from a remote
location, you must first dial into an external modem installed at one
of the other RS232 ports, and then proceed as described below. The
internal modem’s command mode cannot be accessed via a remote
connection to the internal modem.
2. When the APS> command prompt appears, type
/C 8 and press [Enter]
to connect to the Internal Modem Port (Port 8 on the APS-8M, or Port 17
on the APS-16M).
3. When the connection is established, the APS-8/16M will respond with a
connect message that lists the port number or name and currently selected
disconnect command.