COMSPHERE 3821Plus Modem

5.Press the key until the appropriate factory preset appears on the LCD, and press the corresponding function key to select your choice.

6.Choose Function appears and displays the Edit and Save functions.

7.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.

8.Press the key until the appropriate configuration area appears on the LCD, then 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.

9.The modem is now configured with the selected

factory template. Press the key to return to the Top-Level menu.

Refer to Configure Branch in Chapter 3 for more information regarding default factory configuration options.

Selecting Configurations Using

AT Commands

495-14829

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 (RS-232D) cable is attached to the DTE connector at the rear of the COMSPHERE 3000 Series Carrier, and to the correct serial communications port on the asynchronous DTE.

On initial power-up, the modem is in Command mode. To verify that the modem is connected and functioning properly, enter the following:

TYPE: AT

PRESS: Return (Enter) The screen displays OK.

If the modem does not return OK, refer to Appendix C, Troubleshooting.

NOTE

If you have already changed the factory preset configuration you may have lost AT command control. To regain AT command control, select, via the SDCP, the Async Dial factory preset configuration as described earlier in Selecting Configurations Using the SDCP.

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January 1999

3821-A2-GB20-40

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Paradyne 3821PLUS manual Selecting Configurations Using AT Commands, Type AT