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When Port Mode (menu Item 7) is set to Modem Mode, the menu will include additional
prompts (see Figure 5.2), which are used to define the following:
71. Reset String: If necessary, this prompt can re-define the modem reset string, which
is sent prior to the Initialization string. (Up to 48 Characters,
Default = ATZ).
72. Initialization String: Defines a command string that is sent to initialize a modem
to settings required by your application. (Up to 48 Characters,
Default = AT&C1$D2S0=1).
73. Hang-Up String: Although the APS will pulse the DTR line to hang-up an
attached modem, the Hang-Up string is often useful for controlling modems that do
not use the DTR line. (Up to 48 Characters,
Default = undefined).
Note: When communicating with the APS via modem, communication parameters
will not be changed until you exit from command mode and discontinue the modem
connection to the unit.
8. Supervisor Mode: Permits or denies access to Supervisor Mode. When enabled
(Permit), and the valid Supervisor Password is entered, the port will allow access to
Supervisor Level commands. When disabled (Deny), the port may not enter Supervisor
Mode, even when the Supervisor Password is entered. (Default = Permit).
5-7
Figure 5.2: Port Parameters Menu (Modem Mode)