Hayes Modem USR Command Set (58012)

MORE INFORMATION

Hayes USR Command Summary

   AT Command  Description
   ----------  -----------
   ATA         Force answer mode

   A/          Re-execute last command

   AT          Command prefix

   ATBn        n=0 (CCITT answer tone)
               n=1 (US answer tone)

   ATCn        n=0 (Transmitter disabled)
               n=1 (Transmitter enabled)

   ATDn        n=P (Pulse dialing)
               n=T (Tone dialing)
               n=, (2 second pause)
               n=; (dial and return to command mode)
               n=@ (dial, wait for answer and continue)
               n=W (Dial wait for another dial tone, continue)
               n=R (Reverse frequencies)

   ATEn        n=0 (Command echo off)
               n=1 (Command echo on)

   ATFn        n=0 (Local echo on)
               n=1 (Local echo off)

   ATHn        n=0 (Hang up)
               n=1 (Go on hook)

   ATIn        n=0 (Product code)
               n=1 (ROM checksum)
               n=2 (RAM test)
               n=3 (Call duration)
               n=4 (Show settings)

   ATKn        n=0 (Call duration)
               n=1 (Show real time)

   ATMn        n=0 (Speaker always off)
               n=1 (Speaker on until connect)
               n=2 (Speaker always on)
               n=3 (Speaker on after dial)

   ATO         Return on line

   ATQn        n=0 (Display result codes)
               n=1 (Quiet mode)

   ATSr=n      Set register r to n

   ATSr?       Display register contents

   ATVn        n=0 (Numeric result codes)
               n=1 (Verbal codes)

   ATXn        n=0 (Basic result codes)
               n=1 (Extended results)
               n=2-6 (Advanced codes)

   ATZ         Software reset

   +++         Escape to command mode
				

S Registers

  Usage: ATSr=n

   Setting   Description
   -------   -----------

    0        Set number of rings to answer on
    1        Counts number of rings
    2        Sets ASCII escape char
    3        Sets ASCII carriage return char
    4        Sets ASCII LF char
    5        Sets ASCII BS char
    6        Sets number of seconds before dialing
    7        Sets carrier timeout
    8        Sets duration of pause ","
    9        Sets carrier detect time
   10        Sets carrier loss time
   11        Sets touch tone duration
   12        Sets guard tone time