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Trango Systems, Inc
Chapter 6 Firmware Upgrade Procedure
Trango Broadband Wireless will from time to time release firmware upgrades for the TrangoLINK‐45 series radios.
The latest released firmware can be downloaded from http://www.trangobroadband.com/support/downloads.htm.
Firmware releases consists of two files: Main image firmware and Web (HTTP interface) firmware.
Firmware File Names
Firmware files are released in the format shown below. This example consists of main image and web firmware
versions
2p0r1.
Main Image:
p5055m_main_2p0r1D07061104_Pupgrade
Firmware Version: 2p0r1D07061104
File Size: 2,107,904 bytes
Web
p5055m_web_1p3D07051701_Pupgrade
File Size: 143,872 bytes
Firmware Upgrade Password
The firmware filenames include the upgrade password (the characters after the '_P' in the file name) The default
upgrade password in the TrangoLINK‐45 radios is upgrade.
radios using the password upgrade command. Firmware release files from Trango Broadband Wireless will always be
names with the default upgrade password of upgrade. If the user changes the upgrade password in the radio, then
the firmware file name must be changed as well in order to upgrade the radios.
Upgrade Procedure
1. Place firmware files in easily accessible path in your computer.
2. In order to provide the most stable wireless conditions possible during the upgrade process it is
recommended to set the radio speed to the minimum (6 Mbps) in both the MU and RU. Turn
autorateshifting off during the upgrade.
3. Turn on the radio's tftp daemon
4. From computer's command prompt, tftp the firmware file into the radio using binary mode.
5. After file is successfully tftp'd to the radio, the radio will automatically reboot itself and load the new firmware
IMPORTANT: DO NOT POWER CYCLE OR INTERUPT THE REBOOT PROCESS IN ANY MANNER. WAIT AT LEAST
THREE MINUTES TO ENSURE AUTOMATIC REBOOT COMPLETION. LOSS OF POWER DURING THE REBOOT
SEQUENCE WILL RESULT IN A CORRUPTED/INCOMPLETE FIRMWARE LOAD WHICH WILL REQUIRE REFLASHING
AT THE FACTORY.
6. Repeat process for other radio
7. Repeat process for web file.
LT‐9037A
Users may change the upgrade password within the
August 15, 2011
TL45 User Manual Rev 2.0r3
Page 43
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