AT Command Set and S-Registers

S-Register List

S-Registers affect the operating parameters of the 392xPlus modems. S-Registers are only applicable when the DTE Dialer Type configuration option is set for AT. (Refer to the &Mn and &Qn commands.)

Table 5-3 lists all S-Registers supported by the 392xPlus modems. The first column lists the S-Register. The second column lists all possible values for that register. The third column lists the key sequence used to enter the equivalent from the DCP. Use this column to reference commands in Chapter 4 if further description is necessary.

NOTE

In some countries, the range of allowable values of some S-Registers are restricted. If the DTE attempts to enter an illegal value, the modem will answer OK, but it will set the register to the closest legal value. The DTE can check the actual value of the register with Sn? command.

S-Register Format

S-Registers can be displayed and/or modified when the modem is in Command mode. To display the value of an S-Register, issue the following command:

TYPE: ATSn?

Where: n is the register number.

PRESS: Enter

To modify the value of an S-Register, issue the following command:

TYPE: ATSn=r

Where: n is the register number, and r is the new value.

PRESS: Enter

In Table 5-3, the value for n is listed in the S-Register column, and the value for r is listed in the Description column.

3920-A2-GN31-30

November 1996

5-15

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Paradyne 392xPLUS operation manual Register List, Register Format