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Industrial Control Modem GSM 900/1800MHz:
MDU20G-918
Magnetic Aerial:
MDU21-MAG
Roofmount Antenna:
MDU21-ROOF
Standard Antenna:
MDU21-STD
Industrial Control Modem GSM
Quick Start Guide
TECHNICAL: (0118) 965 6000
SALES:
(0118) 965 5100
FAX: (0118) 965 5001
ADDRESS: 464 Basingstoke Road, Reading, Berkshire RG2 0QN
WEB: www.blackbox.co.uk
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Industrial Control Modem GSM How To Contact your Local Black Box Italy: Australia: Black Box Italia S.P.A Black Box Catalog Australia PTY LTD Tel: 0227400280 Tel: 0398797100 Fax: 0227400219 Fax: 0398702955 Web Site: www.blackbox.it Deutschland: Brazil: Black Box Deutschland Black Box Do Brasil. Tel: 0811/5541-0 Tel: (011) 5515-4000 Fax: 0811/5541-499 Fax: (011) 5515-4002 Web Site: www.blackbox-deutschland.com Web Site: www.blackbox.com.br Switzerland: Canada: Datacom Black Box Services A
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Industrial Control Modem GSM France: U.S.A Black Box Catalogue Black Box Corporation Tel: 0145606700 Tel: 724-746-5500 Fax: 0145606747 Fax: 724-746-0746 Web Site: www.blackbox.fr Web Site: www.blackbox.com Spain: Chile Black Box Comunicaciones S.A. Black Box Chile Tel: 34 91 663 0200 Tel: 00 562 223 8811 Fax: 34 91 661 84 35 Fax: 00 562 225 1002 Web Site: www.blackbox.es Web Site: www.Blackbox.cl 3 TECHNICAL: 0118 931 2233
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Industrial Control Modem GSM Contents Introduction..............................................................................................................................................5 Package Contents ......................................................................................................................5 GSM Network Connection .......................................................................................................................6 Configuration ...........
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Industrial Control Modem GSM Introduction Congratulations on purchasing one of the best GSM Data Terminals available today. The Industrial Control Modem GSM will provide reliable service, provided it is connected to an appropriate GSM Network and configured correctly. This booklet will guide you through these stages. Package Contents Packed in with the GSM Data Terminal you will find a diskette, this contains three files, this booklet, the User Guide and a manual of AT Commands, all in PDF for
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Industrial Control Modem GSM GSM Network Connection It is up to you to choose which GSM Network you would like to use, but please be aware that there are three different frequencies used for GSM communications, 900, 1800 and 1900 Mhz. For instance in the UK, Vodaphone and Cellnet use 900Mhz and One to One and Orange use 1800Mhz. You should order your data terminal to match the Network you plan to use. A list of GSM Networks and their frequencies is available on page 118 of the AT Commands man
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Industrial Control Modem GSM Configuration As with other types of modem the Industrial Control Modem GSM has many different configurations available, possibly only one of which will be suitable for your application. The factory default configuration is a general-purpose type, which will work with many different types of equipment, but you may need to adjust some settings. In most cases only a few changes may be necessary and the most common are outlined below: You should be aware of two terms,
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Industrial Control Modem GSM AT&Dn Data Terminal Ready settings &D0 Modem ignores DTR &D1 Modem switches from data to command mode when DTR switches from ON to OFF &D2 Upon DTR switch from ON to OFF, the call is cleared down AT+IFC Defines if Flow Control is used between DTE and DCE. +IFC=0,0 No flow control +IFC=2,2 RTS flow control (preferred) Flow control is the use of RS232 signals to start and stop the flow of data to avoid data loss during buffering. Ch
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Industrial Control Modem GSM With transparent data transmission GSM error correction is not applied, over the air interface. AT+ICF This command is used to determine the local serial port start-stop (asynchronous) character framing that the DCE shall use. If your application requires something other than the normal 8 data bits, 1 stop bit and no parity, you may use this command to make the change. See AT Command manual for full details. ATEn Defines if the DCE echoes (sends back) characters to
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Industrial Control Modem GSM You will now have a screen via which you can communicate with the DCE, BUT NOT BEFORE YOU HAVE TURNED ON THE CAPS LOCK. Please make sure you do this. Now type AT and return. The DCE will respond with OK. If the DCE responds with a 0 or 1, enter ATV1 and return, you will then get an OK. (See ATV command above) If you can’t see what you type, carefully enter ATE1 and return. Text should then appear. (See ATE command above) You are now ready to talk to the DCE. Config
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Industrial Control Modem GSM Test Commands ATDnnnn This causes the DCE to dial a number (nnnnnn) ATH Hang up ATA Answer an incoming call Informative Commands ATI Used to query DCE for its identifiers, such as frequency AT+COPS? Will inform you as to which GSM Network you are connected. See page 118 of the AT Commands manual for a list. AT+CSQ Will tell you the signal strength. 17 roughly equates to 4 bars on a hand phone, 10 to about 2 bars, which should be sufficient for data transfer. AT&V0
