Western Telematic AT COMMAND SET MT9234 user manual

User manual for the device Western Telematic AT COMMAND SET MT9234

Device: Western Telematic AT COMMAND SET MT9234
Category: Modem
Manufacturer: Western Telematic
Size: 0.4 MB
Added : 10/12/2013
Number of pages: 36
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Abstracts of contents
Summary of the content on the page No. 1

WTI Part No. 13513
Rev. B
MT5634/MT9234
Internal Modem
AT Command Set

Summary of the content on the page No. 2

Summary of the content on the page No. 3

Table of Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 2. AT Command Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 3. AT Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 3.1 Escape AT Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Summary of the content on the page No. 4

MT5634/MT9234 Modem; AT Command Set ii

Summary of the content on the page No. 5

1. Introduction The AT commands are used to control the operation of your modem. They are called AT commands because the characters AT must precede each command to get the ATtention of the modem. AT commands can be issued only when the modem is in command mode or online command mode. • The modem is in command mode whenever it is not connected to another modem. • The modem is in data mode whenever it is connected to another modem and ready to exchange data. Online command mode is a tempor

Summary of the content on the page No. 6

MT5634/MT9234 Modem; AT Command Set You can issue several commands in one line, in what is called a command string. The command string begins with AT and ends when you press [Enter]. Spaces to separate the commands are optional; the command interpreter ignores them. The most familiar command string is the initialization string, which is used to configure the modem when it is turned on or reset, or when your communications software calls another modem. 1-2

Summary of the content on the page No. 7

2. AT Command Summary Organization of AT Commands on the following pages: 1st, by the initial command character (&, +, %), 2nd, alphabetized by the second command character (Except for listing of AT). Command Description AT Attention Code A Answer A/ Repeat Last Command B n Communication Standard Setting D s Dial DS= y Dial Stored Telephone Number E n Echo Command Mode Characters F n Echo Online Data Characters H n Hook Control I n Information Request M n Monitor Speaker Mode N n Modulation H

Summary of the content on the page No. 8

MT5634/MT9234 Modem; AT Command Set Command Description \B n Transmit Break \K n Break Control \Nn Error Correction Mode Selection \Q n Flow Control Selection \T n Inactivity Timer \V n Protocol Result Code -C n Data Calling Tone %A n Adaptive Answer Result Code Enable %B View Numbers in Blacklist %C n Data Compression Control %DC n AT Command Control %E n Fallback and Fall Forward Control %H n Direct Connect Enable %R n Cisco Configuration %S n Command Speed Response $EB n Asynchronous Word Leng

Summary of the content on the page No. 9

3. AT Commands Command: AT Attention Code Values: N/A Description: The attention code precedes all command lines except A/, A: and escape sequences. Command: [Enter] Key Values: N/A Description: Press the [Enter] (RETURN) key to execute most commands. Command: A Answer Values: N/A Description: Answer call before final ring. Command: A/ Repeat Last Command Values: N/A Description: Repeat the last command string. Do not precede this command with AT. Do not press [Enter] to

Summary of the content on the page No. 10

MT5634/MT9234 Modem; AT Command Set Command: D s Dial Values: s = dial string (phone number and dial modifiers) Default: none Description: Dial telephone number s, where s may up to 40 characters long and include the 0–9, *, #, , B, C, and D characters, and the L, P, T, V, W, S, comma (,), semicolon (;), !, @, ^ and $ dial string modifiers. Dial string modifiers: L Redial last number. (Must be placed immediately after ATD.) P Pulse-dial following numbers in command. T T

Summary of the content on the page No. 11

AT Commands Command: H n Hook Control Values: n = 0 or 1 Default: 0 Description: H0 Go on-hook (hang up). H1 Go off-hook (make the phone line busy). Command: I n Information Request Values: n = 0–5, 9, 11 Default: None Description: I0 Display default speed and controller firmware version. I1 Calculate and display ROM checksum (e.g., 12AB). I2 Check ROM and verify the checksum, displaying OK or ERROR. I3 Display default speed and controller firmware version. I4 Display firmwar

Summary of the content on the page No. 12

MT5634/MT9234 Modem; AT Command Set Command: P Pulse Dialing Values: P, T Default: T Description: Configures the modem for pulse (non-touch-tone) dialing. Dialed digits are pulsed until a T command or dial modifier is received. Command: Q n Result Codes Enable/Disable Values: n = 0 or 1 Default: 0 Description: Q0 Enable result codes. Q1 Disable result codes. Q2 Returns an OK for backward compatibility with some software. Command: S r= n Set Register Value Values: r = S-regist

Summary of the content on the page No. 13

AT Commands Command: W n Result Code Options Values: n = 0, 1, or 2 Default: 2 Description: W0 CONNECT result code reports serial port speed, disables protocol result codes. W1 CONNECT result code reports serial port speed, enables protocol result codes. W2 CONNECT result code reports line speed, enables protocol result codes. Command: X n Result Code Selection Values: n = 0–7 Default: 4 Description: X0 Basic result codes (CONNECT); does not look for dial tone or b

Summary of the content on the page No. 14

MT5634/MT9234 Modem; AT Command Set Command: &D n Data Terminal Ready (DTR) Control Values: n = 0, 1, 2, or 3 Default: 2 Description: &D0 Modem ignores true status of DTR signal and responds as if it is always on. &D1 If DTR drops while in online data mode, the modem enters command mode, issues an OK, and remains connected. &D2 If DTR drops while in online data mode, the modem hangs up. If the signal is not present, the modem will not answer or dial. &D3 If D

Summary of the content on the page No. 15

AT Commands Command: &L n Leased Line Operation Values: n = 0, 1, or 2 Defaults: 0 Description: &L0 The modem is set for standard dial-up operation. &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: &P n Pulse

Summary of the content on the page No. 16

MT5634/MT9234 Modem; AT Command Set Command: &T n Loopback Test (V.54 Test) Commands Values: n = 0, 1, 3, 6 Default: None Description: The modem can perform selected test and diagnostic functions. A test can be run only when the modem is operating in non-error- correction mode (normal or direct mode). For tests 3 and 6, a connection between the two modems must be established. To terminate a test in progress, the escape sequence (+++AT) must be entered. &T0 Stops any test

Summary of the content on the page No. 17

AT Commands Command: \A n Select Maximum MNP Block Size Values: n = 0, 1, 2, or 3 Default: 3 Description: \A0 64-character maximum \A1 128-character maximum \A2 192-character maximum \A3 256-character maximum Command: \B n Transmit Break Values: n = 0–9 in 100 ms units Default: 3 Description: In non-error-correction mode only, sends a break signal of the specified length to a remote modem. Works in conjunction with the \K command. Command: \K n Break Control Values: n = 0–5 D

Summary of the content on the page No. 18

MT5634/MT9234 Modem; AT Command Set Command: \N n Error Correction Mode Selection Values: n = 0–5, or 7 Default: 3 Description: \N0 Non-error correction mode with data buffering (buffer mode; same as &Q6). \N1 Direct mode. \N2 MNP reliable mode. If the modem cannot make an MNP connection, it disconnects. \N3 V.42/MNP auto-reliable mode. The modem attempts first to connect in V.42 error correction mode, then in MNP mode, and finally in non-error correction (buffer) mod

Summary of the content on the page No. 19

AT Commands Command: \X n XON/XOFF Pass-Through Values: n = 0 or 1 Default: 0 Description: \X0 Modem responds to and discards XON/XOFF characters. \X1 Modem responds to and passes XON/XOFF characters. Note: This is also controlled via &E6 and &E7. Command: -C n Data Calling Tone Values: n = 0 or 1 Defaults: 1 Description: -C0 Disable V.25 data calling tone to deny remote data/fax/voice discrimination. -C1 Enable V.25 data calling tone to allow remote data/fax/voice discrim

Summary of the content on the page No. 20

MT5634/MT9234 Modem; AT Command Set Command: %DC n AT Command Control Values: n = 0 or 1 Default: 0 Description: %DC0 The modem responds to AT commands. %DC1 The modem ignores AT commands. Note: The modem will respond to AT%DC for 10 seconds after power-up. Command: %E n Fallback and Fall Forward Control Values: n = 0, 1, or 2 Default: 2 Description: %E0 Disable fallback and fall forward. %E1 Enable fallback, disable fall forward. %E2 Enable fallback and fall forward. Command


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