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4.0 General Operation and Special Features
The modem’s security configuration for password protection is controlled
from the DTE by a special set of password commands. The commands are
implemented by using the Hayes AT &Z command to store them in memory.
If an administrative password is implemented, the AT &Z command will not
function until it is unlocked.
The Modem incorporates 10 memory locations for storing telephone
numbers, passwords, and the password commands listed in Table 4-2. To
implement a security command, use the Hayes AT &Z command to store the
command in a specific memory location. The password commands are listed
in Table 4-2 and explained in detail in the sections that follow.
Table 4-2. Password Commands
COMMAND FUNCTION EXAMPLE
1
MEM.LOC.
2
/A Set/change administrative
password; password-
protects use of certain
Hayes commands. /ASECURITY 1
/P Set password for
pass-through /PYELLOW
operation or
security callback
operation 4443535/PGREEN 2-49
/U User-defined text string.
Used to send a response
to the remote terminal
user after a valid
password is received. /UCONNECTED 0
1
Command string stored using AT &Z commands.
2
Each command will function only in the listed memory locations.