Multi-Tech Systems MultiModem manual Adapter Setup Steps, ATSW20,472,0,0,1 crlf

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Chapter 3 – Application Examples

Example 1 – Download Sales and Inventory from a Vending Machine

Adapter Setup Steps

This example uses a Multi-Tech Bluetooth Adapter.

1.Connect the PC to the Multi-Tech Bluetooth Adapter’s RS-232 connector and run a terminal program to communicate with the Bluetooth adapter set at:

•9600 bps

•8 data bits

•no parity

•flow control enabled.

2.Configure the Multi-Tech Bluetooth Adapter for slave mode at 115.2K bps.

•The default setting should be in slave mode.

•The baud rate should change to 115.2K bps. To change the baud rate, use the command:

ATSW20,472,0,0,1 <cr_lf>

3.Change the terminal program’s baud rate to 115.2K bps and verify that the PC can communicate with the Bluetooth adapter.

4.Make note of node ID for this unit by issuing the command: ATSI,1 <cr_lf> (“I” is the letter i). Knowing the node ID or local name of this unit will allow the master unit to select this unit when doing a search.

5.Set the class of device (COD) as 00520204 by issuing command: ATSC,00520204 <cr_lf>

Wireless-to-Bluetooth Modem Setup Steps

1.Connect the PC to the RS-232 port of the wireless modem with Bluetooth. Set the switch on the back of the chassis to RS-232 to wireless modem.

Run a terminal program to configure the wireless modem as stated in Chapter 2.

2.Change the switch on the back of the chassis to RS-232 to Bluetooth and run a terminal program to communicate with the Bluetooth adapter at:

•115.2K bps

•8 data bits

•no parity

•1 stop bit

•flow control enabled.

3.Configure the Bluetooth to run as Master in data mode by issuing the command: ATSW25,1,1,0,0 <cr_lf>. It should reply with OK.

4.Clear the Bluetooth radio state by issuing command: ATUCL

5.Check that the Bluetooth is running as master by issuing command: ATSI,7 (“I” is i). This should reply with 1,1,0,0 if running as master in data mode.

6.Disconnect the cable from the RS-232 port and set the switch settings for Bluetooth to Wireless Modem.

Note: The Bluetooth interface is not configured to reset and break the Bluetooth connection when the wireless modem drops the DTR and ends the connection. To configure it to use DTR for resetting the embedded Bluetooth, see the directions in Chapter 4.

Placing the Multi-Tech Adapter and the Multi-Tech Wireless-to-Bluetooth Modem on Site

1.Relocate the Bluetooth adapter to the vending machine location and attach it to the vending machine.

2.Place the wireless-to-Bluetooth modem in a location to communicate with the Bluetooth adapter.

3.Remotely connect to the wireless modem. At this point you will be talking with the Bluetooth device and any AT commands issued will be for the Bluetooth device.

4.Issue the command for the embedded master Bluetooth to search for the remote slave Bluetooth adapter: ATDI,1,00520204 (looks for one Bluetooth device with class of device = 00520204). If proper slave adapter is not found, increase the number of adapters to search for.

5.Connect to the slave Bluetooth device by issuing command: ATDM,slavenodeID,1101

6.Reply should display showing connection.

7.The wireless modem with Bluetooth is now connected to the vending machine.

Multi-Tech Systems, Inc. MultiModem Wireless EDGE, GPRS, & CDMA Modem with Bluetooth (S000390B)

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Contents MultiModem User Guide CopyrightRecord of Revisions Revision Date Description TrademarksTable of Contents Bluetooth Interface Introduction Product DescriptionMultiModem Descriptions Safety Warnings Ship Kit Contents Front PanelSpecifications Wireless Modems with Bluetooth Packet DataSetup and Activation SetupSwitch settings for these configurations Establish a Wireless Account for EDGE, GPRS, or Activate the Wireless ModemSIM commands for Gprs SIM commands for EdgeConnect the Modem to the Internet Using AT Commands Cdma Steps for Connecting to the InternetGprs and Edge Steps for Connecting to the Internet Preliminary Information and StepsDownload Sales & Inventory Using an Adapter as Slave Using a Bluetooth-Enabled PDA to Access the InternetApplication Examples Overview of the Applications Shown AboveAdapter Setup Steps ATSW20,472,0,0,1 crlfFactory Defaults Send ATSW20,472,0,0,1 cr Reply Send ATSi,7 crlfSend ATSW25,1,1,0,0 crlf Send ATSC,00520204 crlfOther Commands Type AT+CSOType AT+CREG? Reply OKcrlfWireless Antennas GSM Radio CharacteristicsCdma Radio Characteristics AntennaBluetooth Antenna Requirements Multi-Tech Warranty Statement Repair Procedures for U.S. and Canadian CustomersRepair Procedures for International Distributors Replacement PartsAppendix B Waste Electrical Electronic Equipment Waste Electrical and Electronic Equipment WeeeAT commands Index

MultiModem specifications

The Multi-Tech Systems MultiModem is a versatile solution recognized for its reliability and efficiency in data communication. Ideal for a variety of applications, the MultiModem encompasses several models, each tailored to accommodate different communication needs, including M2M (Machine-to-Machine) solutions and IoT (Internet of Things) applications.

One of the standout features of the MultiModem is its support for multiple connectivity options. It is equipped with various technologies, including GSM, CDMA, and LTE, allowing users to choose the optimal network for their specific requirements. This multi-network compatibility ensures a greater range of connectivity in diverse geographic areas, making it suitable for both urban and remote settings.

The MultiModem also features robust data transmission capabilities, offering different interfaces such as USB, RS232, and Ethernet. These options facilitate seamless integration with existing systems, whether they are legacy devices or modern applications. This flexibility makes the MultiModem an excellent choice for industries like transportation, healthcare, and industrial automation.

Another defining characteristic of the MultiModem is its advanced security features. Security in data transmission is paramount, especially in today’s digital landscape. The MultiModem comes equipped with encryption options and secure access protocols, ensuring that sensitive information is protected against unauthorized access and breaches.

Moreover, the device is designed for durability and reliability, capable of operating in harsh conditions. This ruggedness is crucial for deployments in remote locations, where environmental factors could pose challenges. The MultiModem is built to withstand extreme temperatures and electromagnetic interference, which are common in industrial settings.

In addition to its hardware capabilities, the MultiModem is also supported by robust software solutions that enable easy configuration and management. The accompanying software tools provide user-friendly interfaces, allowing businesses to monitor, manage, and optimize their communication networks effectively. Remote management capabilities further enhance operational efficiencies, enabling users to update settings and troubleshoot issues without being physically present.

Overall, the Multi-Tech Systems MultiModem stands out as a powerful and flexible tool for robust and secure data communication. Its broad range of applications, combined with advanced features, makes it a trusted choice for businesses looking to implement reliable connectivity in their operations. Whether enhancing M2M communications or integrating IoT devices, the MultiModem provides a reliable backbone for modern data transmission needs.
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