Using At Commands - Paradyne COMSPHERE 3910 Installation Instructions Manual

2. Press the
configurations.
3. Press the
function key to select your choice. (For certain factory presets you will also need to choose the
appropriate mode.)
4. Choose Function appears and displays the Edit and Save functions.
5. Press the F3 key (Save) to save the new factory preset configuration to one of three configuration areas,
Active (Saved), Customer 1, or Customer 2.
(These three configuration areas are nonvolatile memory locations. Active (Saved) contains the most
recently saved changes to any configuration options. In the event of power loss, the modem retrieves these
configuration options. Customer 1 and Customer 2 are user-defined configuration areas.)
The LCD now displays Sav EditArea to.
6. Press the
corresponding function key to select your choice. (Saving configuration options to the Active (Saved)
configuration area automatically saves them to the Active (Operating) configuration area.) The LCD
displays Command Complete.
7. The modem is now configured with the selected factory template. Press the
Top-Level menu.

Using AT Commands

When using AT commands, the following criteria must be met:
Make sure the asynchronous DTE's communication software is configured for 10-bit character format (for
example, 8 data bits, no parity, and 1 stop bit).
Make sure the DTE cable is attached to the DTE connector on the rear of the 391x Series modem and to the
correct serial communications port on the asynchronous DTE.
Configure the modem for Async Dial as described earlier in Using the DCP. To verify that the modem is
connected and functioning properly, enter the following:
TYPE:
PRESS:
If the modem does not return OK, refer to Appendix B, Troubleshooting, in Document No. 3910-A2-GN32.
key until Factory comes into view, then press the F1 key to display the factory preset
key until the appropriate factory preset appears on the LCD, and press the corresponding
key until the appropriate configuration area appears on the LCD, then press the
AT
Return (Enter)
The screen displays OK.
If the factory preset configuration is something other than Async
Dial, you do not have AT command control. To regain AT command
control, select, via the DCP, the Async Dial factory preset
configuration as described earlier in Using the DCP .
NOTE
11
key to return to the