Terminal Adapter AT Commands & S-Registers

Serial Port Configuration Commands

Use the following commands to control the interaction between the TA and the computer connected to it.

En Command Mode Echo Values: n = 0 or 1 Default: E1 (Echo on)

When you enter commands, the TA echoes the characters back to the computer or terminal where they appear on the monitor. This command turns this feature on and off.

E0

Echo off

E1

Echo on

L5 and L6 List Active Profile Values: n = 5 or 6 Default: none

Lists current operating parameters of the TA. This information is useful when changing communications software or when changing default settings. ATL5 lists AT command parameters, and ATL6 lists values currently stored in the S-Registers.

L8 Lists Low Level ISDN Status

Qn Enable/Disable Result Codes

Values: n = 0, 1, or 2

Default: Q0 (Enable result codes)

Controls whether the TA sends result codes to the computer. (Use the V command to select the format of the result codes.)

Q0 Enable result codes.

Q1 Disable result codes (quiet mode) for applications such as computer-controlled auto dialing.

Sr=n Set S-Register

Values: r = 0, 2–5, 7, 8, 10, 25, 32, 34, 50, 52-57, 75-

77, 80; n varies

Default: None

MultiModemISI Hybrid Series, ISIHP-2S/2U/4S/4U/4SD

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Multi-Tech Systems ISIHP-4U, ISIHP-4SD manual Serial Port Configuration Commands, Sr=n Set S-Register