ZyXEL U-336E User Manual - Page 31
Modem Result Codes
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AT Command Set/Type S-Register command S-Register bit-mapped command (set S-Register bit 1 equal to 1) S-Register inquiry command Example ATS0=1 ATS13.1=1 ATS0? Or ATS13.1? You may browse the lists of available commands for each command set by using the on-line help commands: AT$, AT*$, AT&$, and ATS$. Further detail on AT commands will be covered in the chapters that pertain to their use. Modem Result Codes When you execute or try to execute an AT command, your modem sends a result code to let you know whether the command was executed. An OK result code means the AT command you sent was executed. If you receive an ERROR code, it means the command was invalid. The U-336E also provides result codes that show: • Whether or not a Dial Tone was detected when the modem originated a call. • If a busy signal was detected when the modem originated a call. • If a remote telephone ring was detected when dialing. • The speed, protocol, and error control/data compression method used. • If your modem has detected an incoming ring. Result codes can originate from any of eight result code sets. The ATXn command lets you choose which set of result codes your Basic Modem Operation 19