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HP Armada E700 &Dn Data Terminal Ready (DTR) Control, &Fn, Load Factory Settings, &Gn, Guard Tone Control

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Compaq Global Mini PCI 56k (V.90) Modem by 3Com	19
	White Paper

&Dn Data Terminal Ready (DTR) Control
This command interprets how the modem responds to the state of the DTR signal and
changes to the DTR signal.
&D0	Ignore DTR.
&D1	Use online command mode.
&D2	DTE controls DTR (default).
Result Codes:
	OK	n = 0 - 2.
	ERROR	Otherwise.

&Fn	Load Factory Settings
	This command loads the configuration stored and programmed at the factory. This
	operation replaces all of the command options and the S-register settings in the active
	configuration with factory values.
	&F0	Set the factory profile that uses hardware (RTS/CTS) flow control (this is the
		active profile when the modem is shipped).
	&F1	Set the factory profile that uses hardware (RTS/CTS) flow control.
	&F2	Set the factory profile that uses hardware (XON/XOFF) flow control.
	Result Codes:
		OK	n = 0 - 2
		ERROR	Otherwise.
&Gn	Guard Tone Control

Determines guard tone selection.

&G0	Guard tone disabled (default).
&G1	Sets guard tone to 550 Hz.
&G2	Sets guard tone to 1800 Hz.
Result Codes:
	OK	n = 0 - 2.
	ERROR	Otherwise.

0203-0799-A

Contents

White Paper Compaq Global Mini PCI 10/100 LAN + 56k (V.90) Modem by 3Com Notice Using Modem Commands Entering a Command Editing and Executing a Command Omitting a Parameter in a Command Line Repeating a Command Understanding Result Codes Using Online Mode Escaping from an Online Session to the Command Mode Creating a Command Mode Shortcut Creating a Command Mode Icon AT Command Set AT Data Command Set Summary Result Code Summary Page AT Command Descriptions +++Escape sequence Display AT Command List Repeat Last Command AAnswer Command Dn Dial En Character Echo Command Fn Online Echo Command Hn Hook Control Request Identification/Checksum Page Page Ln Speaker Volume Mn Speaker Control On Online Data Mode Result Code Control Sn Read/Write an S-Register Display Online Help for S-Registers Result Code Form Xn Result Code Select Power-On/ResetDefault Configuration Reset and Recall Stored Profile &$ Display Online Help for Ampersand Commands &An Result Code Control &Bn DTE Speed &Cn Data Carrier Detect (DCD) Control &Dn Data Terminal Ready (DTR) Control &Fn Load Factory Settings &Gn Guard Tone Control &Hn Flow Control for Transmitted Data &In Flow Control for Received Data &Kn Data Compression Control &Mn Error Correction Control &Nn Link Speed Control &Rn RTS Control &Sn Data Set Ready (DSR) Option &Un Link Rate &Wn Store Active Profile &Yn Set Break Handling &Zn Store Telephone Number S Registers Setting S Register Default Values Modifying an S Register Reading an S Register S-RegisterSummary S-RegisterDescriptions S0 Ring to Answer On S1 Ring Count S2 Escape Code Character S3 Carriage Return Character S5 Backspace Character S6 Wait for Blind Dial S7 Wait Time for Carrier S8 Pause Time for Comma S9 Carrier Detect Validation Time S10 Lost Carrier to Hang-UpDelay S11 Touch-ToneSpacing S12 Escape Code Guard Time S13 Bitmapped Register S15 Bitmapped Register S16 Bitmapped Test Register S18 Test Timer S19 Inactivity Timer S21 Error Correction Break Length S22 Character Code for XON S23 Character Code for XOFF S25 Response to DTR Change S27 Bitmapped Register S28 V.32 Handshake Time S29 V.21 Answer Mode Fallback Timer S32 Connection Bitmapped Operations S33 V.34 Connection Setup Control Flags S34 V.34 Connection Setup Control Flags S38 Delay Before Forced Hang-up