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CHAPTER 7: Callback Security and Remote Configuration
long). You use the modem's LOGIN Password and the Set-Up Password
plus special Callback commands to access this memory. The memory is
thirty numbers long and replaces your modem's normal phone number
memory.
Each number is 35 characters long and can contain commands as well
as phone numbers. You need to set up your modem with the numbers
and codes as part of the dial back initialization procedures. Your
modem will also remember if the incoming call was reliable or not,
and make the call back accordingly.
7.3 Remote Configuration Description
The Remote Configuration feature is a network management tool that
allows you to configure modems remotely. This means you could config-
ure modems anywhere in your network from one location without
having to visit the sites or rely on remote users to follow your instruc-
tions. With Remote Configuration, which is protected by two level
security, you can download new parameters, program new V.42
capabilities and implement new features. Remote Configuration also
makes troubleshooting a remote location a lot easier.
The way Remote Configuration works is that S-Register S13 has been set
up to contain the special Remote Configuration escape code. When
calling a Remote Configuration equipped modem, you enter the
proper Remote Escape code to enable entering your Set up Password.
After entering it, you can then execute AT commands as if you were
connected locally. If you set S-Register S13 to zero, Remote
Configuration is disabled.
7.3.1 Initial Setup Procedures for Callback
and Remote Configuration.
Your modem was shipped with a default LOGIN Password and Setup
Password (LOGIN=BLACK BOX and Set-up=MODEMSETUP) so that
you have access to the features used for configuring the modem.
Because the defaults are in the modem owner’s manual, and anyone
can find out what they are, you should change the codes as the first step
of your initialization procedure.