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6-1
6. The Internal Modem
This section lists commonly used AT commands for the APS-8M’s internal
modem, and briefly describes the procedure for communicating with the
internal modem. Please note that although APS-8M Port 8 is the internal
modem port, any APS-8M port can also be configured for connection to an
external modem.
6.1. Communicating with the Internal Modem
To communicate with the APS-8M’s internal modem, proceed as follows:
1. Access the APS command mode as described in Section 5.1.
Notes:
• If you log on to the APS-8M using a password that does not permit
Supervisor Mode, then you will only be able to connect to Port 8
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).
3. When the connection is established, the APS-8M will respond with a
message that reads "Connected: 08", and lists the Port Name and currently
selected disconnect command.