TYPE: ATSn?<enter> where n is the register number.
To modify the value of an
TYPE: ATSn = r<enter>
where n is the register number, and r is the new register value.
Common AT Commands and S Registers
The following are some common AT Commands. If you require a complete listing of the AT Command and S Register options, they are sometimes included as text files in the Installation Diskette or
A/ | Repeat Last Command |
This command repeats the last command string entered. Do not precede this com- mand with an AT prefix or conclude it by pressing Enter.
AAnswer Command
This command instructs the modem to go
Bn | Communication Standard Setting |
This command determines CCITT vs. Bell standard.
B0: | Selects CCITT V.22 mode when the modem is at 1200 bits/s. | |
B1: | Selects Bell 212A when the modem is at 1200 bits/s (default). | |
B2: | Selects V.23 Orig: (75bps trans - 1200bps rec). Answr: (75bps rec - 1200 | |
| trans). |
|
B3: | Selects V.23 reverse channel ( opposite of B2). | |
Cn |
| Carrier Control |
| C0: | Transmit carrier always off. |
| C1: | Normal transmit carrier switching. |
Dn |
| Dial |
This command instructs the modem to begin the dialing sequence. The dial string (n, the telephone number) is entered after the ATD command.
En | Echo Command |
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