MaxTech V.42bis Mode after DTR toggle, Guard tone disabled, Asynchronous operation, On or reset

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&D1

Modem returns to Command Mode after DTR

 

 

toggle

 

&D2

Modem hangs up, returns to the Command

 

 

Mode after DTR toggle

 

&D3

Resets modem after DTR toggle

&F_

&F

Recall factory default configuration

&G_

&G0

Guard tone disabled

 

&G1

550 Hz guard tone

 

&G2

1800 Hz guard tone

&M_

&M0

Asynchronous operation

&P_

&P0

United States setting for off-hook (make) -

 

 

to-on-hook (break) ratio

 

&P1

UK and Hong Kong off-hook (make)-to-on-

 

 

hook (break) ratio

&S_

&S0

Force DSR Signal High (ON)

 

&S1

DSR is off in command mode, on in on-line

 

 

mode

&T_

&T0

Ends test in progress

 

&T1

Perform Local Analog Loopback Test

 

&T3

Perform Local Digital Loopback Test

 

&T4

Grant Remote Digital Loopback Test

 

 

request by remote modem

 

&T5

Deny Remote Digital Loopback Test request

 

 

by remote modem

 

&T6

Perform a Remote Digital Loopback Test

 

&T7

Perform a Remote Digital Loopback Test and

 

 

Self-Test

 

&T8

Perform Local Analog Loopback Test and

 

 

Self-Test

&U_

&U0

Enable Trellis Coding @ V.32

 

&U1

Disable Trellis Coding @ V.32

&V_

&V0

Displays Active and Stored Profile 0

 

&V1

Displays Active and Stored Profile 1

&W_

&W0

Stores the active profile as Configuration

 

 

Profile 0

 

&W1

Stores the active profile as Configuration

 

 

Profile 1

&Y_

&Y0

Configuration Profile 0 active upon Power

 

 

on or reset

 

&Y1

Configuration Profile 1 active upon Poweron

 

 

or reset

9

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Contents Contents Hardware Installation Unpacking Your ModemSoftware Installation/Configuration Fasten the retaining bracketPage COM Port and Interrupt Settings Devices in your computer cannot share an IRQ withTesting Your Modem After Installation Using Your ModemExecuting Commands Where To Go From HereCommand Structure Basic AT Commands Extended AT Commands Force DSR Signal High on Mode after DTR toggleGuard tone disabled Enable Trellis Coding @Enable Auto Fall Forward/Back 22bis auto-retrain disabled22bis auto-retrain enabled Disable Auto Fall Forward/BackFax Class 1 Commands Voice Mode Commands S Registers Function Range/units Default Basic Response Codes Modem does not dial Modem does not respond to commandsModem dials but does not connect High pitch tone is heard whenever you answer the phone Modem makes a connection but no data appears on your screenModem exhibits poor voice record or playback FCC Compliance UartFCC Class B Statement DOC Compliance InformationDisclaimer, Copyright, And Other Notices Section One Introduction Software Installation/Configuration COM Port and Interrupt Settings Switch Block SW-1 Location Switch Block Settings Testing Your Modem After Installation Originate calls in answer mode Bold text Command Function Manually answer incoming callCcitt mode With AT or follow with EnterCommands are not echoed Toggle Resets modem after DTR toggleRecall factory default configuration Hz guard toneMNP/V.42/V.42bis Commands \A3\Q3 Switch to reliable link from normal link Register Function Range/units Default S RegistersSection Five Result Codes Section Six Troubleshooting Modem does not dial Power 75 W Section Eight Support and Service DOC Compliance Information Disclaimer, Copyright, And Other Notices