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Chapter 6 - Callback Security and Remote Configuration
Change SETUP Password #S
The default SETUP password for your modem is
"SMODEMSETUP"
. If you choose to activate
callback security, you should change the SETUP password using this command in the following
format:
AT#Stttttttttt<CR> (where
tttttttttt
is the current SETUP password). Your modem will respond with
"OK"
, indicating that you can enter the new SETUP password as follows:
AT#s=uuuuuuuuuu<CR>
You can select any combination of keyboard characters (upper/lower case sensitive) between six
and ten characters long.
Erase Callback Password #RCBNxx
This command erases the single callback password specified by
xx
(0 through 29).
Erase Callback Phone Number #RDNxx
This command erases the single phone number specified by
xx
(0 through 29).
6.5 Remote Configuration/Callback Security S-Registers
The following S-Registers are used with Remote Configuration and Callback Security features.
Remote Configuration Character (S13)
S13 defines the modem’s remote configuration escape character. When the S13 character is entered
three consecutive times from a remotely connected site, your modem responds to it with its Remote
Configuration procedure.
Units: ASCII
Range: 0-127
Default: 37 (
% sign
)
Callback Time Delay (S15)
S15 defines the time delay for Callback attempts after initial passwords have been exchanged
between modems.
Unit: Seconds
Range: 10-255
Default: 20
Callback Attempts (S16)
S16 defines the number of Callback attempts after initial passwords have been exchanged between
modems.
Unit: 1 Attempt
Range: 1-255
Default: 4
Failed Password Attempts (S26)
S26 counts the number of times there has been a failed password attempt. For example, if you
entered
ATS26?
the message
003
would be displayed, meaning someone has failed three times to
gain access to your modem using its password security system.
Units: 1 failed attempt
Range: 0-255
Default: 0