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AT Commands for MD720-3 Modem

9/27/2007 4:39 PM	Rate (0)
macar Posts: 12 Rating: (0)	Hi I want to connect Sinaut MD720-3 modem via hyperterminal. But I don't know the AT Command set for MD720-3.Does anybody know how i can find the AT command set for it?
macar Posts: 12 Rating: (0)
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9/28/2007 11:55 AM	Rate (0)
INS Gold Member Joined: 4/6/2006 Last visit: 11/21/2025 Posts: 604 Rating: (56)	Hello Macar, These commands are all written in the System Manual of the device. The manual is usually available on the CD shipped with the device. It's written in chapter: ^{4.7 Supported AT commands in Terminal Mode}System Manual GPRS/GSM-Modem SINAUT MD720-3
	Best regards, INS
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9/28/2007 1:06 PM	Rate (0)
macar Posts: 12 Rating: (0)	Hello INS I saw the manual but I cannot find the requied commands for connecting the hyperterminal. For example, how can I send the IP address or port number of the PC to the modem. I do not want to use siemens library blocks, because I can not interventing the blocks when i want to. Thanks Macar
macar Posts: 12 Rating: (0)
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9/28/2007 1:21 PM	Rate (0)
J_Bell Posts: 5822 Rating: (412)	Oh... sorry for asking a stupid question.... but why do you want to use a IP Address if you want to access the Modemform the PC? Is the Connection not serial? Or do you talk about the Configuration of the Modem? I am lost... sorry. J_Bell
J_Bell Posts: 5822 Rating: (412)
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9/28/2007 2:04 PM	Rate (0)
macar Posts: 12 Rating: (0)	Hello J_Bell, I am sorry for not to explain my configuration. MD720 modem is directly connected to PC com port. I want to connect the modem to an otherPC(any tcp/ip server or hyperterminal), whichhas an static IP,over the GPRS.So while configuring the modem i have to sendtheIP and Port number of thePC to the modem. thanks Macar
macar Posts: 12 Rating: (0)
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9/28/2007 2:21 PM	Rate (0)
J_Bell Posts: 5822 Rating: (412)	Hello, well, if I understood you right you want to configurethe Modem from remote, over the Internetvia AT Commands, am I right? If so i doubt that this will work. Is the AT Command setnot usually only for local commands?Well,I am not the Modem specialist. Maybe someone else has a good answer. Best regards J_Bell
J_Bell Posts: 5822 Rating: (412)
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9/29/2007 8:40 AM	Rate (0)
INS Gold Member Joined: 4/6/2006 Last visit: 11/21/2025 Posts: 604 Rating: (56)	I'm not considering myself as an expert but you are correct in this topic J_Bell. The reason why it's not possible to configure themodem with AT commands from an other GPRS node, or internet connected PC is because the MD720-3 only connects and attach to the GPRS network at the moment the correct AT commands are set. The most important one is the pin settings for the SIM.
	Best regards, INS
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