Advanced Command Set | USRobotics 33600, x2/56K specification

Yn Selects power-on/reset default configuration.

Y0 Default is profile 0 setting in NVRAM.

Y1 Default is profile 1 setting in NVRAM.

ZResets modem based on factory settings.

Z0 Resets modem to NVRAM profile selected by Y command.

Z1 Resets modem to NVRAM profile 0.

Z2 Resets modem to NVRAM profile 1.

Z3 Resets modem to factory default profile 0 (&F0). Z4 Resets modem to factory default profile 1 (&F1). Z5 Resets modem to factory default profile 2 (&F2).

Advanced Command Set

&An	Enables/disables ARQ codes.
	&A0	ARQ result codes disabled.
	&A1	ARQ result codes enabled.
	&A2	V.32 modulation indicator added.
	&A3	Protocol indicators addedLAPM/MNP/NONE
		(error control) and V42BIS/MNP5 (data
		compression).

&Bn	Sets modem’s serial port rate.
	&B0	Variable, follows connection rate.
	&B1	Fixed serial port rate.
	&B2	Fixed in ARQ mode, variable in non-ARQ
		mode.

&Cn	Controls Carrier Detect (CD) signal.
	&C0	CD override.
	&C1	Normal CD operations.
&Dn	Controls Data Terminal Ready (DTR) operations.
	&D0	DTR override.
	&D1	DTR toggle causes online Command mode.
	&D2	Normal DTR operations.
	&D3	Resets on receipt of DTR.
&Fn	Loads a read-only (non-programmable) factory
	configuration.
	&F0	Generic template.
	&F1	Hardware flow control template.
	&F2	Software flow control template.

Sportster Winmodem 33600 & x2/56K - User's manual 43

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USRobotics 33600, x2/56K user manual Advanced Command Set

Contents

User’s Manual 1997 Table of Contents Appendix a Technical Reference Appendix B Technical SpecificationsGlossary Limited Warranty Voice Functions How a Modem Works Introduction Quickly How Does Your Sportster Winmodem 33600 & x2/56K∗ Work ? With Windows Other FeaturesAccurately Efficiently Package Contents Plug and Play InstallationSportster Winmodem 33600 & x2/56K Installation Insert the Modem Into the Computer Installation Procedure Plug in the power plug and turn the computer on Run the Modem’s Installation Program If you choose Then try This COM port This IRQ Running the Installation Program on a Windows 95 System Installing the Communications Software Page Changing Country Setup under Windows Page Installation Test Using the Modem Factory Settings Resetting the Modem to Factory Settings Remember the Following Points When Using the Modem Remarks on Using the Modem Un-Installing the Modem Page Symptom Solution TroubleshootingProblems and Solutions Terminal mode, you Send AT commandsModem does not Respond when, There is no audible Tone when you try toUsing a certain Errors Correctly to Connection problemModem Connects itself Connections are Transmission errorsA fax, errors alter Intercontinental Before the Modems Connect Online, but no call Signals but fail toIf your PC reacts as Though you are Link. If your screen displays random or garbage characters During Data Transfers During Fax Transmissions If You Are Still Having Problems Page Overview of Voice Functions Voice Functions Voice Applications Application SettingsSpeakerphone Implementing Voice Functions Input/Output Source Selection Page Appendix a Technical Reference Main AT commands Basic Command Set E0 Echo OFF E1 Modem displays keyboard commands Displays the following information Ln Controls speaker volume internals onlyFn Sets online local echo of transmitted data ON/OFF Hn Controls ON/OFF hook Vn Displays verbal/numeric result codes Xn Sets result code displayed. Default is Functions Xn SettingResult Codes Advanced Command Set Sets Transmit DataTD flow control Enables/disables data compressionSets Error Control ARQ 1200 bps and higher Sets Guard Tone Controls Data Set Ready DSR operations Writes current configuration to Nvram templatesSets pulse rotary dial make/break ratio Sets Receive Data RD hardware flow control Registers Reg Default Function Sets the number of seconds the modem Page Bit Value Result Reg Default Function Reg Default Function Page Value Bit 4 Bit ResultBit 128 Reserved Page Page Sportster Winmodem X2/56K Specifications Electrical power Electromagnetic Compatibility SafetyCE Mark Page Baud rate Analog signalsGlossary Asynchronous transmission Buffer BitBits Bps Duplex Data modeDigital signals Error correction Local Echo Fax modeFallback Flow control Remote Echo ParityProtocol Terminal Terminal modeSerial transmission Synchronous transmission XON/XOFF Page Limited Warranty Advised of the Possibility of Such Damages Page 024.1388-00