User`s guide

25
Command Option Function
&G2 1800 Hz Guard Tone
&I Dial TX Level
&I n Level n , n =0 to15, Default =9
&I99 Automatic Level
&P Pulse Cycle
Used when the modem is instructed to pulse
dial.
&P0 40/60 Make/Break Ratio
&P1 33/67 Make/Break Ratio
&P2 38/62 Make/Break Ratio
&R CTS Control
&R0 Normal
&R1 Always On
&S DSR Control
&S0 Always On
&S1 On When Modem Recognizes Remote
&T Test
&T0 Terminate Test
&T1 Initiate Local Analog Loopback Test
Disconnect the telephone line from the SM56
modem line input connector before using this
command. With SM56 Build 50 or later, set S-
Register 46 = 23 (ATS46=23) before executing
&T1.
&TD Dial TX Level
&TD n Level n , n =0 to 15
&TD99 Automatic Level
&V Modem Status
&V0 Short Form Report
&V1 Current or Last Connection Report
&V2 Long Form Report
5.6 AT%(Percent) and AT\(Backslash) Commands
The modem responds to the following AT% and AT\ command options
The letters AT (or at) must precede all commands except A/ and +++.
Command Option Function
%B Maximum Modulation Rate
Sets the rate that the modem uses when
connecting in a data modulation mode for
performing functions such as Internet
access or file transfer
%B0 Maximum modem rate that the modem supports
%B1 300 BPS
%B2 1.2 KBPS