Multitech MT5634ZBA-USB Manual de usuario descargar pdf (Pagina 12)

Chapter 1 – AT Commands

Multi-Tech Systems, Inc. AT Commands for the MT5634 Family of Products (S000272J) 12

Command: &Kn Flow Control Selection

Values: n = 0, 3, or 4

Defaults: 3

Description: &K0 Disables flow control.

&K3 Enables CTS/RTS hardware flow control.

&K4 Enables XON/XOFF software flow control.

Command: &Ln Leased-Line Operation

Note: This command applies to the MT5634IND (Industrial Temperature Modem)

Values: n = 0, 1, or 2

Defaults: 0

Description: &L0 The modem is set for standard dial-up operation. Default.

&L1 The modem is set for leased line operation in originate mode.

&L2 The modem is set for leased line operation in answer mode.

Note: For &L1 and &L2, there is a 30-second window between power up and the starting of

the leased line handshake. During this time, you can turn off the command, if desired.

Command: &Qn Asynchronous Communications Mode

Values: n = 0, 5, 6, 8, or 9

Default: 5

Description: &Q0 Asynchronous with data buffering. Same as \N0.

&Q5 Error control with data buffering. Same as \N3.

&Q6 Asynchronous with data buffering. Same as \N0.

&Q8 MNP error control mode. If MNP error control is not established, the modem falls

back according to the setting in S36.

&Q9 V.42 or MNP error control mode. If neither error control is established, the modem

falls back according to the setting in S36.

Command: &Sn Data Set Ready (DSR) Control

Values: n = 0 or 1

Default: 0

Description: &S0 DSR is always high (on).

&S1 DSR goes high only during a connection.

Command: &Tn V.54 Test Commands

Values: n = 0, 1, 3 or 6

Default: None

Description: &T0 Abort. Stops any test in progress.

&T1 Initiates local analog loopback test.

&T3 Initiates local digital loopback test.

&T6 Initiates remote digital loopback test.

Note: To stop a test, use the escape sequence (+++AT) before typing &T0.

Command: &V Display Current Settings

Values: n/a

Description: Displays the active modem settings, including the callback security settings if callback

security is enabled. If the setup password has been entered, it also displays the callback

security passwords.

Command: &Wn Store Current Configuration

Values: n = 0, 1

Default: 1

Description: &W0 Stores current modem settings in nonvolatile memory and causes them to be loaded

in place of the factory defaults at power-on or following the ATZ command. See also

the &F command.

&W1 Clears user default settings from nonvolatile memory and causes the factory defaults

to be loaded at power-on or following the ATZ command.

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Multitech MT5634ZBA-USB Manual de usuario Pagina 12

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