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AirLink Communications Redwing GPRS User Manual

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User Guide
Version 1.08
AirLink Communications, Inc.
September 29, 2003

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Summary of Contents for AirLink Communications Redwing GPRS

  • Page 1 User Guide Version 1.08 AirLink Communications, Inc. September 29, 2003...
  • Page 2 Information in this document is subject to change without notic © Copyright AirLink Communications, Inc, 1993-2003. All rights reserved. Please send comments to: email: pubs@AirLink.com Fax: 510-226-4299 Phone: 510-226-4200 Post: AirLink Communications, Inc. Attention: Technical Publications Dept. 472 Kato Terrace...

  • Page 3: Important Notice

    Although significant delays or losses of data are rare when wireless devices such as the AirLink Communications modem are used in a normal manner with a well-constructed network, the AirLink modem should not be used in situations...

  • Page 5: Table Of Contents

    SIM Check 3.2.2 PDP Context Using AT Commands ..............9 Redwing GPRS Specific AT Commands ............. 10 Redwing AT Command Summary .............. 13 Redwing SMS Command Summary ............15 Redwing GPRS Commands ................. 16 RIM Specific AT Commands ............... 16 Redwing GPRS Technical Specifications ........

  • Page 7: Introduction

    Redwing GPRS User Guide 1. Introduction The GSM/GPRS wireless network combines the world’s leading wireless standard— the Global System for Mobile Communications (GSM)—with fast, packet-switched access to data networks such as the Internet. Providing this fast access is the General Packet Radio Service (GPRS).

  • Page 8: Redwing Product Overview

    Redwing GPRS User Guide Version 1.08 1.1 Redwing Product Overview The AirLink Redwing GPRS is a rugged, full duplex GPRS modem that provides wireless transport capabilities for fixed and mobile applications. GPRS is an efficient and secure wireless technology that works well for fixed or mobile applications.

  • Page 9: Redwing Network Connection

    GPRS and SMS data. 2.1 Internet (TCP/IP) Connections via GPRS When using the Redwing GPRS, remote access to is done via a PPP (TCP/IP) connection to the GPRS network. The GPRS carrier actually provides Internet connectivity, and, therefore, it becomes the ISP for that session. Applications such as web browsing, email, FTP, etc should work as they would normally.

  • Page 10: Redwing Gprs Configuration

    Redwing GPRS Configuration Redwing GPRS User Guide Version 1.08 3. Redwing GPRS Configuration Configuration of the Redwing GPRS modem is done using a terminal emulation program like HyperTerminal in Windows. 3.1 Configuration Procedure 1. Attach the antennas, DB-9 cable and power to the back of the modem.
  • Page 11 Redwing GPRS Configuration Redwing GPRS User Guide Version 1.08 6. For "Connect using" select the COM port that the modem is on (do not select a modem driver), then select OK. 7. Select 115200 for the "Bits per second." Ensure Data Bits: 8, Parity: None, Stop bits: 1 and Flow control: Hardware.

  • Page 12: Modem Activation

    Commands for a list of AT commands 3.2 Modem Activation The Redwing GPRS modem requires a SIM [Subscriber Identity Module] for the modem’s account activation. Units will usually be shipped with a SIM installed and be ready to operate. If a SIM is installed, and the modem is in GSM/GPRS coverage,...

  • Page 13: Sim Check

    Redwing GPRS Configuration Redwing GPRS User Guide Version 1.08 If there is no SIM installed or there is no GSM/GPRS coverage, the GSM indicator will be off. Indicating no GSM/GPRS coverage or no SIM installed Connect up to configure the modem as in the Local Configuration Section .
  • Page 14 Redwing GPRS Configuration Redwing GPRS User Guide Version 1.08 To set the PDP context: at+cgdcont=1,”IP”,”apn_obtained_from_carrier” at&w You only need to do this once after powering up. Henceforth, the modem will use this setting to attach to the GPRS network. AirLink Communications, Inc.

  • Page 15: Using At Commands

    Using AT Commands Redwing GPRS User Guide Version 1.08 4. Using AT Commands Use a terminal emulation program to connect up to the modem either locally (via the serial port of a computer) or remotely (over an existing internet connection on a PC to the modem at a remote location).

  • Page 16: Redwing Gprs Specific At Commands

    Redwing AT Command Summary Redwing GPRS User Guide Version 1.08 4.1 Redwing GPRS Specific AT Commands These AT commands are specific to the Redwing GPRS devices and GPRS networks. Command Description Reissue the last command Answer a call Mobile-initiated call to dialable number n...
  • Page 17 Redwing AT Command Summary Redwing GPRS User Guide Version 1.08 Command Description +CGDCONT=cid,PDP_type, Define the PDP context. Must be defined before a connection can be APN [?] made to the GRPS network. Needs to be configured only once, the parameters are saved and used each time a connection is made to the GPRS network.
  • Page 18 Redwing AT Command Summary Redwing GPRS User Guide Version 1.08 Command Description +RCIQ? Returns the current cell information. AT+RCIQ? Serving Cell Info: BSIC: 5 TCH: 563 RSSI: -82dBm LAC: 6035 Cell ID: 4043 Dedicated Channel Info: TCH: 564 Channel Mode: 0...

  • Page 19: Redwing At Command Summary

    Redwing GPRS User Guide Version 1.08 4.2 Redwing AT Command Summary Following is a summary of all the AT commands for the Redwing GPRS. For more information on these commands, see AT Command Reference Guide for the RIM OEM Radio Modem 1902G and 1802G.
  • Page 20 Redwing AT Command Summary Redwing GPRS User Guide Version 1.08 Command Description set all current parameters to a user-defined profile AT&C set circuit Data Carrier Detect (DCD) function mode AT&D set circuit Data Terminal Ready (DTR) function mode AT&F set all current parameters to manufacturer defaults AT&V...

  • Page 21: Redwing Sms Command Summary

    Redwing AT Command Summary Redwing GPRS User Guide Version 1.08 Command Description AT+CLCK facility lock AT+CLIP calling line identification presentation AT+CLIR calling line identification restriction AT+CLVL set the volume AT+CMEE report mobile equipment error AT+COLP connected line identification presentation AT+COPS...

  • Page 22: Redwing Gprs Commands

    Redwing AT Command Summary Redwing GPRS User Guide Version 1.08 Command Description AT+CRES restore SMS settings AT+CSAS save SMS settings AT+CSCA SMS Service Center Address AT+CSCB select cell broadcast SMS messages AT+CSDH show SMS text mode parameters AT+CSMP set SMS text mode parameters...

  • Page 23: Redwing Gprs Technical Specifications

    Redwing GPRS Technical Specifications Redwing GPRS User Guide Version 1.08 5. Redwing GPRS Technical Specifications 5.1 Physical Characteristics Weight: < 1 lb. Size: 3.3” wide x 2” high x 6.8" long RF Antenna Connector: 50 Ohm TNC Serial Interface: RS232 DB-9F Rugged aluminum case 5.2 Power Specifications...

  • Page 24: Status Led Display

    Redwing GPRS Technical Specifications Redwing GPRS User Guide Version 1.08 5.5 Status LED Display indicates GSM coverage if +RSCI=0 indicates GPRS coverage if +RSCI=1 indicates the radio is transmitting Radio The OEM module radio is on and ready to transmit and receive The power is on.

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