Black Box MDU20G-918 - Manuals

6 Industrial Control Modem GSM SALES: 0118 965 5100 GSM Network Connection It is up to you to choose which GSM Network you would like to use, but please be aware thatthere are three different frequencies used for GSM communications, 900, 1800 and 1900Mhz. For instance in the UK, Vodaphone and Cellne...

7 Industrial Control Modem GSM TECHNICAL: 0118 931 2233 Configuration As with other types of modem the Industrial Control Modem GSM has many differentconfigurations available, possibly only one of which will be suitable for your application.The factory default configuration is a general-purpose type...

10 Industrial Control Modem GSM SALES: 0118 965 5100 You will now have a screen via which you can communicate with the DCE, BUT NOTBEFORE 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 ATV...

11 Industrial Control Modem GSM TECHNICAL: 0118 931 2233 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 ...