Agere systems soft modems support a broad base of commands for data and fax. It was designed to serve as a simple, manual, modem configuration, testing, and debugging tool. A fast connect mode has been implemented to reduce modem. Many modems today including dialup, wireless, gsmgprs modems use these at command set for communication. Ip information, mtu, transmit and receive speeds, and status for each interface.
Huawei keeps launching new modems in the market with some intervals with the help of network provider. If you mark a single modem as inoperable using this command, it appears as badwithout the asterisk in the. February 2002 soft modem at command reference manual how to use this manual the agere systems soft modem at command set consists of commands based on data and fax communication. At commands for smartscm, smartacf, smartacfl, and. Use europe as the country code for all tbr21 countries. The at commands are used to control the operation of your modem. Always consult your modem vendors documentation first. The vast majority of dialup modems use the hayes command set in numerous variations. Modem vendors often change, add, and delete commands based on their particular product and feature set. Gprs at commands reference guide multitech developer. Modem status, customization, and reset commands this chapter describes commands used to determine modem status, adjust customization settings, and reset the modem. When compression is enabled, the modem can receive data from an attached dte at 115. Useful at commands for huawei modem at routerunlock.
Modem status and reset commands cmnd pg description supporting modems. The hayes command set is a specific command language originally developed by dennis. Not to be distributed or divulged without prior written agreement. If using the modem autoconfigure command, remove any commands under the line configuration. At commands can be issued only when the modem is in command mode or online command mode. Modem 215 applied network research group department of computer engineering, kasetsart university 215 modem connection dte dte dce dce 110011 modem pc modem pc a modem is a communication device that converts binary signal into analog acoustic signals for transmission over telephone lines and converts these. The copying of this document, distribution to others, and communication of the. Categorization is usually based on the following basic modem features. V split modem port speed with multiprotocol autoanswer. Types of modems modems can be of several types and they can be categorized in a number of ways.
At commands reference guide multitech systems, inc. Serial console port epr8 or eps16 only ssh telnet graphical user interface epr6 or epr8 only for the epr8, the dashboard screen displays detailed statistics. Summary of common at commands for us robotics 56k modems, 1a. On a chromium os device with the developer mode enabled, you can use the socat command to communicate with the modem. The format for entering commands is atxn where x is the at command and n is the specific value for that command. Mnp is a registered trademark of microcom sys tems, inc. E commands basic syntax commands basic syntax commands use the following format. External when connecting to a modem, there are a few basic modem settings that are very important or at least preferred. At commands are instructions that are used to control modems. Sample modem scripts the following are several modem co mmand strings that are appropriat e for use with your access server or router. This manual describes the host command and responses for the following rockwell modem families. View and download microcom ad 2730 user manual online.
En echo this command controls whether the modem echos commands received by the dte or not. S000463c 2 gprs at commands for multitech g2 cellular modems reference guide this command set applies to the following products. The modem is in data mode whenever it is connected to another modem and ready to exchange data. Hence, we are updating here some cool huawei modem at commands which will help you to diagnosis the huawei modem. At command set and register summary for microcom modem. When finished use the quit option to leave minicom without sending a reset string to the modem. Most modems support at commands which control the modem and query for information. View and download compaq microcom 415 56k external v. At commands can be issued only when the modem is in command mode or. They are called at commands because the characters at must precede each command to get the attention of the modem. A string can contain many hayes commands placed together, so as to optimally prepare the modem to dial out or answer, e. Most modem software supported a user supplied initialization string, which was typically a long concatenated at command which was to the modem upon launch.
Recommended modemcaps for internal digital and analog. Utilizing standard dtmf tones, via proper at commands, an alarm system with hm4 modem inside can transmit an emergency signal to a monitoring station, the station generates a kiss. Do not use the modem autoconfigure discovery command. Band 27 selects a set of frequency bands queries current selection all. At commands reference guide for multitech g2 cellular modems doc. Fn data mode echo this command controls whether the modem echos commands sent while in data mode. This document provides a guide to adb commands for debugging, which have been validated on snapdragon 410 processor. Chapter 5 at commands, s registers, and result codes. As its name suggests, picocom is a minimal dumbterminal emulation program. Microcom directly influenced a key element of the 1996 telecommunications act, which allowed the service to develop in alaska the same as in the lower 48, without restrictions on the larger antenna size required. Nevertheless, microcom holds an important place in modem history for introducing the mnp errorcorrection and compression protocols, which were widely used under license by most modem manufacturers in the 1990s.
Thus this document does not necessarily describe the at commands used within your modem, even if it is based on rockwell chipset products. Mnp is microcom networking protocol, which has become. Instead it is recommended to provide such command lists in an appendix. This document contains proprietary technical information which is the property of quectel limited. The escape character to enter the program menu is crtl\. For more information on the application of modemcaps refer to the document modem management operations. Configure the country with the modem country microcom country global configuration command. Venus at command reference manual august 2000 at command set at commands are issued to the modem to control the modems operation and software configuration. It is, in principle, very much like minicom1, only its pico instead of mini. This manual page was written for the debian distribution because the original program does not have a manual page. The modem is in command mode whenever it is not connected to another modem. The microcom corporation model 410 6 dotsmm version is a direct thermal label printer with a 640 element, 4. If you have stuck somewhere then these at commands will be very helpful to you. At commands can only be entered while the modem is in command mode.
For use with the access server, speedxxxxxx is a suggested value only. The material contained in this manual is for information purposes only and is subject to change without notice. Communicating directly with a modem with the at command set. The commands presented in this manual follow the conventions set by itut recommendation v. Disable ctrlx option is possible by adding x switch microcom s 115200 devttyusb0 x. Huawei is a leading brand all over the world among zte, micromax, sierra, alcatel etc. At commands for wireless modems with ip connectivity s000333b 6 chapter 1 introduction this document describes the at parameters and command set available to configure and drive the tcpip stack and protocols available on wireless gsmgprs products that support ip connectivity.
Online command mode is a temporary state in which you can issue commands to the modem. Once the system is powered attach the serial cable between the gtx 1. These commands come from hayes at commands that were used by the hayes smart modems in 1980s. The selfcontained dialup modem module supports ademcos dtmf and sias fsk alarm protocol. At commands reference manual ii conexant 100722b revision record revision date comments 100722b 3202001 rev.
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