[&Xx] [\Xx] [%Xx] [misc] [S=]

&An - "Originate/Answer Mode Selection" - When in auto-answer mode this option selects originate or answer mode.

• &A0 - Enables answer mode
• &A1 - Enables originate mode

&Bn - "Auto-Retrain Detection" - If poor line or connection quality is detected this option controls auto-retrain.

• &B0 - Disable auto-retrain (modem hangs up)
• &B1 - Enable auto-retrain

&Cn - "DCD Option" - Selects whether DCD option is enabled or not.

• &C0 - DCD always enabled
• &C1 - DCD enabled after a carrier signal is detected

&Dn - "Modem Response to DTR Option" - Interprets the ON to OFF transmission of the DTR signal from the DTE. The response of this command can be modified by the &Q settings of some modems.

• &D0 - DTR is assumed to be on
• &D1 - DTR drop causes the modem back to command mode, but does not drop
• &D2 - DTR drop causes modem to hang up
• &D3 - DTR drop causes the modem to be reinitialised

 &Fn - "active Profile/Factory Defaults" - Sets the values loaded in the active profile to the values that are set in the default profile.

• &F - Default profile (works with almost all modems)
• &F1 - Default profile #2 (works with many modems)
• &F2 - Default profile #3 (works with some modems)

&Gn - "Guard Tone Option" - Sets the modem to transmit a guard tone using v.22/v.22bis.

• &G0 - Guard tone is disabled
• &G1 - A 550Hz guard tone is enabled
• &G2 - A 18000Hz guard tone is enabled

&Jn - "Jack Type Selection" - Selects the phone jack type.

• &J0 - Selects RJ-11, RJ-41s or RJ-45s
• &J1 - Selects RJ-12 or RJ-13

&Kn - "Flow Control Selection" - Selects the flow control options.

• &K0 - Flow control disabled
• &K1 - Normally unused (deals with RTS/CTS)
• &K2 - Normally unused (deals with XON/XOFF)
• &K3 - Enable RTS/CTS flow control
• &K4 - Enable XON/XOFF flow control
• &K5 - Enable transparent XON/XOFF flow control
• &K6 - Enable unidirectional XON/XOFF flow control

&Ln - "Line Type Selection" - This option selects the type of line the modem is using.

• &L0 - Selects public switched telephone network (normal dialup)
• &L1 - Selects leased line

&Mn - "Communication Mode Selection" - This command selects the communications mode.

• &M0 - Asynchronous
• &M1 - Synchronous connect mode, asynchronous offline command mode
• &M2 - Synchronous connect mode, asynchronous offline command mode (DTR set to high)
• &M3 - Synchronous connect mode

&Pn - "Make/Break Ratio for Pulse Dialing" - Selects the make/break ratio for pulse dialing.

• &P0 - North America: selects 39%-61% make/break ratio at 10 pulses per second
• &P1 - Europe: selects 33%-67% make/break ratio at 10 pulses per second
• &P2 - Selects 39%-61% make/break ratio at 20 pulses per second
• &P3 - selects 33%-67% make/break ratio at 20 pulses per second

&Qn - "Communications Mode Option Selection" - Selects the communication mode options sometimes affecting the &Dn command.

• &Q0 - Asynchronous mode, the serial port speed will follow the connection speed
• &Q1 - Asynchronous off-line command mode, synchronous connect mode
• &Q2 - Asynchronous off-line command mode, synchronous connect mode (this option will also have the modem the first number in its directory)
• &Q3 - Asynchronous off-line command mode (low DTR), synchronous connect mode (high DTR)
• &Q4 - Auto-synchronous mode
• &Q5 - Error correction mode
• &Q6 - Buffered asynchronous mode

&Rn - "RTS/CTS Option Selection" - This command will select the options for RTS/CTS.

• &R0 - Sets CTS to follow RTS in data mode, RTS will be ignored in command mode
• &R1 - Sets CTS forced to high, RTS will be ignored

&Sn - "DSR Option Selection" - This command selects the DSR option.

• &S0 - Force DSR high
• &S1 - Force DSR high during handshake and connection
• &S2 - Force DSR high when connected

&Tn - "Test Option Selection" - Selects the test mode options.

• &T0 - End test
• &T1 - Begin a local analogue loop-back test
• &T3 - Begin a local digital loop-back test
• &T4 - Allow a remote digital loop-back test
• &T5 - Disallow a remote digital loop-back test
• &T6 - Request a remote digital loop-back test
• &T7 - Request a remote digital loop-back test and a self test
• &T8 - Start a local analogue loop-back and self test

&V - "Active and Stored Configuration Display" - Display the active and stored configuration profiles.

&Wn - "Active Profile Write" - Stores the values for the active profile in non-volatile RAM.

• &W0 - Write active profile into stored profile 0
• &W1 - Write active profile into stored profile 1

&Xn - "DTE Transmit Clock Source" - This option selects the clock source for DTE transmit.

• &X0 - Modem
• &X1 - DTE
• &X2  Modem generates the clock with regards to the receiving carrier signal

&Yn - "Active Profile Read" - After a hard-reset this option will restore a stored profile into the active profile.

• &Y0 - Restore from stored profile 0
• &Y1 - Restore from stored profile 1

&Zn=x - "Telephone Number Write" - Write telephone number x to location n.

\An - "Max Transmit Block Size" - This command specifies the maximum transmittable MNP block size.

• \A0 - 64 characters
• \A1 - 128 characters
• \A2 - 192 characters
• \A3 - 256 characters

\Bn - "Send Break" - Sends a break to the modem. 'n' is a value ranging from 1-9, where 1 is .1 seconds and 9 is .9 seconds.

\Cn - "Auto-Reliable Time Buffer" - In auto-reliable mode this command controls how data is handled.

• \C0 - Data is to be discarded
• \C1 - Data is to be buffered
• \C2 - Data is to be discarded, modem returns to normal mode after receiving the auto-reliable fallback character

\En - "Data Echo" - Selects whether or not the modem echoes received data.

• \E0 - Disabled
• \E1 - Enabled

\Gn - "Flow Control" - Selects whether or not the modem port uses flow control.

• \G0 - Disabled
• \G1 - Enabled

\Jn - "Serial Port Operation" - Selects how the serial port speed is handled.

• \J0 - Serial port speed remains locked
• \J1 - Serial port speed is to follow the connect speed

\Kn - "Break Type Select" - Configures the action taken by the break signal.

• \K0 - When the modem receives a break from the remote modem, the buffers are cleared and a break is sent to the DTE. When the modem receives a break from the DTE, Online command mode is enabled and no break is sent to the remote modem. When the modem receives a break from '\B', a break is sent to the remote modem and the buffer is cleared.
• \K1 - When the modem receives a break from the remote modem, the buffers are cleared and a break is sent to the DTE. When the modem receives a break from the DTE, a break is sent to the remote modem and the buffers are cleared. When the modem receives a break from '\B', a break is sent to the remote modem and the buffer is cleared.
• \K2 - When the modem receives a break from the remote modem, a break is sent to immediately to DTE. When the modem receives a break from the DTE, Online command mode is enabled and no break is sent to the remote modem. When the modem receives a break from '\B', a break is immediately sent to the remote modem.
• \K3 - When the modem receives a break from the remote modem, a break is sent immediately to DTE. When the modem receives a break from the DTE, a break is sent immediately to the remote modem. When the modem receives a break from '\B', a break is immediately sent to the remote modem.
• \K4 - When the modem receives a break from the remote modem, a break is sent to the DTE with the received data. When the modem receives a break from the DTE, Online command mode is enabled and no break is sent to the remote modem. When the modem receives a break from '/B', a break is sent with the transmitted data.
• \K5 - When the modem receives a break from the remote modem, a break is sent to the DTE with the received data. When the modem receives a break from the DTE, a break is sent with the transmitted data. When the modem receives a break from '\B', a break is sent with the transmitted data.

\Ln - "MNP Mode Select" - This option selects the MNP link transfer mode.

• \L0 - Stream mode
• \L1 - Block mode

\Nn - "Connection Type" - This command will control which type of connection that the modem will operate in.

• \N0 - Normal mode
• \N1 - Direct mode
• \N2 - MNP reliable mode
• \N3 - Auto-reliable or MNP auto-reliable mode
• \N4 - v.42 reliable mode
• \N5 - v.42 auto-reliable or MNP auto-reliable mode
• \N6 - Reliable mode
• \N7 - Auto-reliable mode

\O - "MNP Reliable Mode Initiation" - This command will initiate MNP reliable mode from normal or direct mode.

\Qn - "Flow Control Type Select" - This command will select the type of flow control that the modem will operate with.

• \Q0 - Disable flow control
• \Q1 - Bi-directional XON/XOFF
• \Q2 - CTS flow control by DCE
• \Q3 - Bi-directional RTS/CTS
• \Q4 - Unidirectional XON/XOFF by DCE
• \Q5 - CTS forced low for pre-connection, then CTS by DCE control takes over or unidirectional XON/XOFF by DTE will
• \Q6 - Bi-directional RTS/CTS or RTS by DTE after connection

\Tn - "Inactivity Timer" - This command will tell the modem how long to wait before disconnecting after not receiving any information. Measured in seconds, the value of 'n' can be in the range 0-255.

\U - "MNP Reliable Mode Acceptance" - This command will tell the modem to accept a remote modems request for MNP reliable mode.

\Vn - "Set Extended Result Codes" - Sets whether or not extended result codes are enabled or not.

• \V0 - Disabled
• \V1 - Enabled

\Wn - "v.23 Split Speed Control" - This command determines whether v.23 split speed control will be used or not.

• \W0 - Disabled
• \W1 - Enabled

\Xn - "XON/XOFF Pass Through" - This command determines whether or not XON/XOFF signals are sent to the remote modem.

• \X0 - Not sent
• \X1 - Sent

\Y - "Reliable Mode Conversion" - This command will convert to reliable mode from normal or direct mode.

\Z - "Normal Mode Activation" - This command will switch from MNP mode to normal mode.

%An - "Auto-Reliable Fallback Character Selection" - This command selects the character to be used for auto-reliable fallback.

• %A0 - Disable auto-reliable fallback characters

• %A1 through to %A127 - Selects an ASCII character for auto-reliable fallback

%Cn - "Data Compression" - This command selects the data compression.

• %C0 - Disable data compression

• %C1 - MNP5

• %C2 - v.42bis

• %C3 - MNP5 and v.42bis

%En - "Auto-Retrain" - This command selects the auto-retrain and fallback/fall-forward modes.

• %E0 - Disable auto-retrain

• %E1 - Enable auto-retrain

• %E2 - Enable auto-fallback/fall-forward

%Fn - "v.23 Mode Select" - This command selects the mode of operation for v.23 split speed.

• %F0 - Disable v.23

• %F1 - Split speed: 75bps upstream/1200bps downstream

• %F2 - Split speed: 1200bps upstream/75bps downstream

• %F3 - Half duplex: 1200bps upstream/1200bps downstream

%Gn - "Auto-Fallback/Fall-Forward" - This command turns auto fallback/fall-forward on or off.

• %G0 - Disabled

• %G1 - Enabled

%L - "Line Signal Level Return" - This command returns the line signal level.

%Q - "Line Signal Quality Return" - This command returns the line signal quality.

%TTn - "Test Mode" - This command is used for the line tests using PTT test signals.

*Hn - "Link Negotiation (MNP10)" - This command selects the link negotiation speed for MNP10.

• *H0 - Highest speed possible

• *H1 - 1200bps

• *H2 - 4800bps

"Hn - "v.42bis Compression Options" - This command selects different modes for v.42bis.

• "H0 - Disabled

• "H1 - When transmitting v.42bis is enabled

• "H2 - When receiving v.42bis is enabled

• "H3 - v.42bis is enabled both when transmitting and receiving

"Nn - "v.42bis Data Size" - Selects the block size of the v.42bis data.

• "N0 - 512 bytes

• "N1 - 1024 bytes

• "N2 - 1536 bytes

"On - "v.42bis Max String Length" - This command selects the string length of the v.42bis compression option. The range of 'n' is from 6-64 characters.

-Jn - "v.42bis Detect Control" - This command enables or disables v.42bis detection.

• -J0 - Disabled

• -J1 - Enabled

-Kn - "Extended MNP Control" - This command selects whether or not extended MNP services are used.

• -K0 - Disabled

• -K1 - Enabled

• -K2 - Enabled except during answer mode

-Qn - "MNP10 Fallback Control" - This command allows or disallows MNP10 to fallback to 2400bps or 1200bps.

• -Q0 - Disabled

• -Q1 - Enabled

)Mn - "Power Level Adjustment" - this command controls the power level adjustment when transmitting during the MNP10 link negotiation.

• )M0 - Disabled

• )M1 - Enabled

@Mn - "Transmission Level" - This command controls the signal level for the transmission.

• @M0 - -26dBm

• @M1 - -30dBm

• @M2 - -10dBm

:En - "v.32 Compromise Equalizer Control" - This command enables or disables the v.32 compromise equalizer.

• :E0 - Disabled

• :E1 - Enabled

+MS=n - "Modulation" - This command can select the active protocol, automode selection, min and max tx rates, min and max rx rates, and/or the x law. This command varies from modem to modem and is seldom used for non-56k modems. It would be best to consult the modem chipset for proper modulation control.

S10=n - "Loss of Carrier Response" - This command tells the modem how long to wait until hanging up after losing the carrier signal. The setting, 'n' ranges from 1-255 and is measured in .1 second intervals.

S25=n - "DTR Ignore Time" - This command sets the max amount of time that a change in the DTR signal will be ignored before the modem hangs up. The setting, 'n' ranges from 0-255 and is measured in .1 second intervals.

S30=n - "Inactivity Timer" - This command sets the max amount of time that the modem will wait for DTE and DCE to become active before hanging up. 'n' ranges from 0-255 and is measured in 10 second intervals.

S91-n - "Transmission Level" - This command sets the signal level for a transmission. The setting 'n' ranges from 1-15 and is measured in units of -1dBm.