Black Box MD1641A, MD1640A manual Inquiry for Product Code, Windows 95 Autodetect Inquiry

SERIES II INTELLIGENT DATA/FAX MODEMS

At the time of this writing, we have three screens of Help information (Screen #1, #2 and #3), and more screens may be added in the future. The Help commands are structured so that you can call up one of three Help screens, as follows:

AT$H1 = Help Screen #1

AT$H2 = Help Screen #2

AT$H3 = Help Screen #3

Inquiry for Product Code I

Some systems or software packages automatically check the “identification” of the modem with which they are communicating, by using the I command. This “read” command lets the software to deter- mine the type of modem with which it is communicating.

When ATI or ATI0 is entered, the Series II Modem responds with 247. When ATI1 is entered, the modem responds with a three-digit code indicating the firmware version number. When ATI2 is entered, the modem responds with MD1641A if it’s a 336 model or MD1640A if it’s a 336+ model.

Windows 95 Autodetect Inquiry I9

This read command permits a Windows 95 operating system to query the Series II Modem's characteristics. When ATI9<CR> is entered, the symbols BA 28800 FAX CT (336 model) or BL 28800 FAX CT (336+ model) are displayed; which indicates to the Windows 95 system that your particular modem is a Series II Modem 336 or 336+, 28,800 bps, fax Class 2 capable modem. With autodetect support in your Modem, your PC can automatically allocate resources and configure it and other devices. The Modem implements autodetect capability in the form of a single .INF (Information) file that specifies AT Command mode and Result Code "Registry Keys" that are specific to your Modem.

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