Hayes Microcomputer Products ASLH306 Antennae Subscriber Identity Module card, AT Command set

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of the modem issuing the “Goodbye” message then it will commence its power up sequence and restart.

The battery powered modem will power up within 5 seconds after the external supply is applied given that the battery and capacitors are fully charged and that the modem is operating at room temperature. If the battery and capacitors are not fully charged and/or the modem is not operating at room temperature then the power up sequence will take longer.

Antennae.

The Delta Plus MOBILE II GSM/GPRS modem is designed to work with many industry standard antennae. Connection to the antenna is via a flying lead terminated with a SMA type co-axial connector. The selection of the most suitable antenna in any given installation will be dependent upon factors such as the distance from the cell site, signal strength, power supply levels, and other physical constraints. ASLH Ltd. will be pleased to assist customers with the selection of suitable antennae.

Subscriber Identity Module card.

This product requires a suitable Subscriber Identity Module (SIM) card inserted in the right hand side of the modem. The SIM card is provided by the network service provider eg. O2, Vodafone, Orange etc. This card must be data enabled, ie. a voice only SIM will not work. Additionally, if the product is to be used for GPRS applications then the SIM card must be GPRS enabled. This mode will be set as either mobile originate or terminate (IP listen) depending upon the users requirements.

ASLH Ltd. is able to provide network service supplied by the aforementioned companies.

Configuring the modem

This is achieved by the use of the standard Hayes(™) AT command set as utilised in conventional land line modems. A comprehensive list of AT commands used by the Delta Plus MOBILE II GSM/GPRS modem follows.

AT Command set

AT+ commands should be used alone, not concatenated ie AT+Y<cr> not AT+YS0=1<cr> etc).

AT A

Answer mode enable

ASL Holdings Limited

19/09/2005

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Draft Copy Version 2c

 

 

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Contents Draft Copy ASL Holdings Limited 19/09/2005 Draft Copy Version 2c Contents Disclaimer Copyright Notice Trademarks Hardware User Guide Guide to the manualIntroduction Connecting to your Terminal or Computer FeaturesBattery powered version Supplying power to the modemAT a Configuring the modemAT Command set Antennae Subscriber Identity Module cardEenmea +CGATT AT DAT E AT HAT Q AT OAT Z AT&V AT &CAT &D AT &FAT &W ASL Holdings Limited 19/09/2005 Draft Copy Version 2c AT&W Sony Ericsson commandsModem result codes AT+CGMRAT+CBST? RegistersGprs operation RC OK Remote AccessPay As You Go Payg SIM Support Quick brown fox jumps over the lazy dog. Data LED Status Gprs Mode Version 2.08 and above LED Status GSM Mode Version 2.02Technical Specifications ASL Holdings Limited 19/09/2005 Draft Copy Version 2c Appendices Appendix ASLH306 Firmware revision chart V4.0bAppendix Appendix Glossary of terms and abbreviations Converting Hex to Decimal Converting Hex to Octal Index ASL Holdings Limited 19/09/2005 Draft Copy Version 2c

ASLH306 specifications

Hayes Microcomputer Products, a pioneer in the modem industry, introduced the ASLH306, a significant advancement in telecommunications technology. This device was designed to improve communication efficiency and data transmission rates for personal computer users and businesses alike.

The ASLH306 is notable for its robust architecture, which allows it to support various communication standards. This versatility makes it compatible with a range of systems, from early personal computers to more advanced setups. One of the key features of the ASLH306 is its ability to operate at high baud rates, enabling faster data exchange compared to its predecessors.

In terms of connectivity, the ASLH306 utilizes an RS-232 interface, which has become a standard for serial communication. This interface not only supports reliable data transfers but also ensures compatibility with a wide array of devices, including printers and various peripherals. The ASLH306 is equipped with built-in error correction protocols, which enhance the reliability of data transmission by minimizing the chances of data loss during transfer.

The device also includes advanced features such as automatic dialing and answering capabilities, which streamline the process of connecting to remote systems. Users can easily configure these settings, making it more user-friendly for individuals and organizations that rely heavily on modem technology for their daily operations.

Another characteristic of the ASLH306 is its compact design, reflecting the trend towards smaller, more efficient hardware solutions in the tech industry. This portability is particularly advantageous for mobile professionals and field workers who require reliable communication solutions without the bulk of larger devices.

Hayes Microcomputer Products also placed emphasis on the user's experience with the ASLH306 through a well-designed user interface. The intuitive controls and clear indicators make it simple to monitor connections and troubleshoot issues as they arise. Overall, the ASLH306 stands out due to its combination of speed, reliability, and user-friendliness, marking it as a key player in the evolution of modem technology.

By delivering a blend of advanced features and efficient performance, Hayes Microcomputer Products has positioned the ASLH306 as an invaluable tool in the landscape of data communication, catering to the needs of both casual users and professionals seeking dependable connectivity solutions.
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