Summary of Contents for Logicbus LBGSMMODEM31
- Page 1 LBGSMMODEM31 GPRS MODEM SERIES User ’s Manual 1 of 27 www.logicbus.com support@logicbus.com...
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Page 2: List Of Abbreviations
Global System for Mobile communications Subscriber Identification Module Input / Output Short Message Service ISDN Integrated Service Digital Network Transmit Light Emitting Diode VRMS Volt Root Mean Square Mobile Equipment VSWR Voltage Standing Wave Ratio 2 of 27 www.logicbus.com support@logicbus.com... -
Page 3: Table Of Contents
Receiving “No carrier” message................19 7 Safety recommendations ...............21 General Safety......................21 Vehicle Safety ......................22 Care And Maintenance .................... 22 Your Responsibility ....................23 8 Proper Usage ..................Use accessories in the original packaging............... 24 3 of 27 www.logicbus.com support@logicbus.com... - Page 4 Prevent embezzlement....................24 Proper usage......................24 9 Quality guarantee ................... 10 GPRS Modem Internet Access setup guide ......... 4 of 27 www.logicbus.com support@logicbus.com...
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Page 5: General Description
1 Watt GSM1800 radio section. Echo Cancellation + noise reduction. Full GSM or GSM / GPRS software stack. Hardware GPRS class 10 capable. Complete shielding. A DC Power supply. A RS232 serial link. A 1.8V / 3.3V SIM interface. 5 of 27 www.logicbus.com support@logicbus.com... -
Page 6: External Connections
Sub D high density 9-pin connector for RS232 serial link connection, Power supply connector: 2.5mm power jack for DC Power Supply. 1.3.1 Power supply connector fig. 2 Power supply connector 1.3.2 Antenna connector fig. 3 Antenna connector 1.3.3 Sub HD 9-pin connector 6 of 27 www.logicbus.com support@logicbus.com... -
Page 7: Package Content
STANDARD Ring Indicator 1.4 Package content The modem package includes: ×1 □ modem ×1 □ External AC adapter ×1 □ RS-232 connecting cable ×1 □ 0dBi Antenna ×1 □ User’s manual ×1 □ Warranty Card 7 of 27 www.logicbus.com support@logicbus.com... -
Page 8: Functional Description
The RS232 interface is protected (by ESD protection) against electrostatic surges on the RS232 lines. Filtering guarantees: EMI/RFI protection in input and output, Signal smoothing. A flexible 6-wire serial interface is available complying with RS232 protocol signaling. 8 of 27 www.logicbus.com support@logicbus.com... - Page 9 Request To Send CTS / CT106 Clear To Send DSR / CT107 Data Set Ready DTR / CT108-2 Data Terminal Ready DCD / CT109 Data Carrier Detect RI / CT125 Ring Indicator GND / CT102 Ground 9 of 27 www.logicbus.com support@logicbus.com...
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Page 10: Characteristics
Class 1 & Class 2. Class 1 & Class 2. Group 3 compatible. Group 3 compatible. GPRS Class 10. Class 10. Coding schemes: CS1 to CS4 Coding schemes: CS1 to CS4 Compliant with SMG31bis Compliant with SMG31bis 10 of 27 www.logicbus.com support@logicbus.com... -
Page 11: Physical Characteristics
DCS 1800 Frequency TX 880 to 915 MHz 1710 to 1785 MHz Frequency RX 925 to 960 MHz 1805 to 1880 MHz 3.3.2.2 RF performances RF performances are compliant with the ETSI recommendation GSM 05.05. 11 of 27 www.logicbus.com support@logicbus.com... -
Page 12: Environmental Characteristics
To ensure the proper operation of the Modem, the operating environment must be within a specific temperature as described in the table below. Table 9: Ranges of temperature Operating temperature range -20 °C to +55 °C Storage temperature range -25 °C to +70°C 12 of 27 www.logicbus.com support@logicbus.com... -
Page 13: Using The Modem
AT+CREG?: to verify the registration of the modem on the network. ATD<phone number>;: to initiate a call. ATH: to hang up (end of call). For further information about these AT commands and their associated parameters, refer to document [1]. 13 of 27 www.logicbus.com support@logicbus.com... -
Page 14: Operational Status Of The Modem
If the modem is not registered, perform the following procedure: Check the connection between the modem and the antenna. Verify the signal strength to determine the strength of the received signal (refer to 14 of 27 www.logicbus.com support@logicbus.com... -
Page 15: At Commands For The Modem
+CMEE = 1 mode). CME ERROR: 3 AOC credit exceeded or a communication is already established. Communication NO CARRIER loss Hang up Store the AT&W The configuration settings are parameters in stored in EEPROM. EEPROM 15 of 27 www.logicbus.com support@logicbus.com... -
Page 16: Troubleshooting
Stop bits = 1 Baud = 115.200 kbps. Flow control = Hardware Is there another program Close the application (e.g. interfering with the mouse or printer driver). communication program (i.e. Conflict on communication port access) 16 of 27 www.logicbus.com support@logicbus.com... -
Page 17: Receiving "Error" Message
Refer to paragraph 3.3.2.3 for connected? antenna requirements If the modem returns a message of ERROR, you can have the extended error code by using AT command AT+CMEE=1. Refer to the table below for interpretation of extended error code. 17 of 27 www.logicbus.com support@logicbus.com... - Page 18 Call your network provider to know the right PDP authentication failure authentication parameters. Invalid mobile class Change the class of the mobile to a valid one. Note: For all other codes, and/or details, refer to AT commands documentation. 18 of 27 www.logicbus.com support@logicbus.com...
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Page 19: Receiving "No Carrier" Message
If the modem returns a message of No carrier, you can get the extended error code by using AT command AT+CEER. Refer to the table below for interpretation of extended error code. Table 17: Interpretation of extended error code Error Code Diagnostic Hint Unallocated phone number Not applicable. 19 of 27 www.logicbus.com support@logicbus.com... - Page 20 See AT commands manual for 34, 38, 41,42, further details or call network 43, 44, 47, provider. 49, 57, 58, 63, 65, 69, 70, 79, 254 Note: For all other codes, and/or details, see AT commands documentation. 20 of 27 www.logicbus.com support@logicbus.com...
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Page 21: Safety Recommendations
Follow any restrictions. Do not use the the GSM/GPRS/CDMA modem where blasting is in progress. Use sensibly Use only in the normal position as explained in the product documentation. Do not touch the antenna unnecessarily. 21 of 27 www.logicbus.com support@logicbus.com... -
Page 22: Vehicle Safety
Do not abuse your GSM Modem by dropping, knocking, or violent shaking. Rough handling can damage it. Do not place the GSM Modem alongside computer discs, credit or travel cards or other magnetic media. The information contained on discs or cards may be affected by the 22 of 27 www.logicbus.com support@logicbus.com... -
Page 23: Your Responsibility
It is not a toy therefore keep it in a safe place at all times and out of the reach of children. Try to remember your Unlock and PIN codes. Become familiar with and use the security features to block unauthorized use and theft. 23 of 27 www.logicbus.com support@logicbus.com... -
Page 24: Proper Usage
We will return the product in 15 days (shipping date excluded), depends on how it damaged. You should return the full package when sending back for repairing. Insulation method and ant-extrusion method should be taken. 24 of 27 www.logicbus.com support@logicbus.com... -
Page 25: Gprs Modem Internet Access Setup Guide
‘Don’t detect my modem; I will select if from a list.’ Select Standard Modems Types Select Standard 33600 bps Modem Select relevant port of modem plugged in Complete modem installation. Step 2: Setup modem 1. Click Properties and select Advanced option. 25 of 27 www.logicbus.com support@logicbus.com... - Page 26 2. Enter AT command AT+CGDCONT=1,"IP","CMNET" into textbox. Step 3: Establish dial connection 1. Establish Dial Connection. Dial number is *99***1# or *99#, User name and Password leave empty. 26 of 27 www.logicbus.com support@logicbus.com...
- Page 27 2. Click the icon from Network Connection to initial connection. 3. After initial period, the connection is on. Note: Turn off the power before you insert or remove the SIM card. 27 of 27 www.logicbus.com support@logicbus.com...
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