ATCommands
Entering a Key for Each User
•Enter AT#E2 to enable SuperSecure mode
•Select the security menu using AT#S
•Enter the security password to gain access to the security menu
•Set up the modem’s primary DES KEY and Initial Value (IV) as per standard DES setup
•Select Option 2 to add new users
•Enter the username
•Enter the password to be used by your modem (not necessarily the same as the password on the modem you are going to dial)
☞Do not use a / character in any password, because this character is reserved.
•When the modem prompts you for a command, do not enter a command because you will not be prompted for the DES KEYS
•Enter the 16 hex digit DES secondary KEY for the user, all 16 digits must be keyed
•Enter the 16 hex digit DES secondary Initial Value (IV) for the user, all 16 digits must be keyed
•Enter the 2 hex digit Key Encryptor (KE) for the user, both digits must be keyed
☞The Key, IV and KE can have any value but must be exactly the same on both answering and orignating modems.
☞For maximum security do not use keys or initial values that have easy to remember values.
☞A KE of 00 turns off random key rotation.
•Enter as many users as you wish whilst in this mode
•Press ENTER at the username prompt to return to the menu
☞You do not have to turn security on to use SuperSecure. The #E2 option forces it on always.
•Enter 0 to exit the security menu
☞The remote modem must not only support SuperSecure but must also have a matching username/password and KEYS before access can be gained.
Page 43