Appendix E: Upgrading The Modem - Multitech MultiModem MT5600ZDX User Manual

Appendix E: Upgrading the Modem

Introduction
Your modem is controlled by semi-permanent software, called firmware, which is
stored in flash memory. Firmware is nonvolatile; that is, it remains stored in memory
when the modem is turned off. However, it can be changed by either the
manufacturer or the user as bugs are fixed or new features are added.
Since the firmware in your modem is stored in flash memory, you can upgrade it
yourself in a few minutes by using the following procedures.
Upgrade Overview
The upgrade procedure consists of the following steps, which are described in greater
detail in the following sections.
1. Identify the model number and firmware version of your modem.
2. Identify the current version of the firmware at the Multi-Tech Web site. If your
3. Download the upgrade file for your modem.
4. Extract the firmware .HEX file and the appropriate flash upgrade program from
5. Document and clear your stored parameters.
6. Upgrade the modem's firmware using the .HEX file and the flash upgrade
7. Restore your parameters.
Step 1: Identify the Modem Firmware
You must know the model number and firmware version of your Multi-Tech
modem to know whether or not you should update it.
1. Run your favorite terminal program. If you are using Windows 95, 98, 2000 or
2. In the program's terminal window, type AT&F. Even if you cannot see the
3. Now type ATI3 and record your results. The firmware version should appear
modem already has the current firmware, there is no need to update it.
the file you downloaded.
program.
Windows NT, you can use HyperTerminal. If you are using Windows 3.1, you
can use Windows Terminal.
AT&F command on your screen, be sure to type it completely, and then press
E . If the modem does not respond with OK, repeat the AT&F command.
NTER
first in the response, which should look similar to the following:
V2.300G-V90_2M_DLS
E Upgrading the Modem
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