User's Manual

Part 1 − Universal Socket Connectivity Chapter 1 – Universal Socket Connectivity
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342K) 29
XMODEM Serial Port Upgrade
This type of upgrade applies only to the MT810SWM-IP and the older product MTXCSEM.
The IP communications device, for example, contains a 2 MB flash wherein the boot image, the firmware and
configuration files are stored in a compressed format. The flash can easily be upgraded both locally as well as
remotely.
Serial Port Upgrade
The flash of the can be upgraded locally through serial port using the upload feature of serial applications.
Serial Port Configuration
The default serial port parameters should be:
Data length – 8 bits
Parity – None
Stop bits – 1
Baud-rate of the serial port to which the communications device is connected should be set to 115200 bps
for proper operation.
Example of a Serial Flash Upgrade
Following steps explain the procedure to upgrade a flash using the serial COM port (serial flash upgrade).
Connect the communications device to a PC COM Port.
• Open an application through which we can access the serial device (e.g., Meterm, zoc, hyperterm).
• Reboot the communications device.
• Wait for the boot message and prompt “press d to download” to appear.
• Press d when prompted.
• Select the XMODEM Protocol from the Terminal application.
• Choose a file to be uploaded.
• Perform a file upload.
The communications device reboots and will be up after a few seconds (10-15 seconds).
Caution: Refrain from powering off the device during flash upgrade.