L-IP User Manual 154 LOYTEC
Version 6.1 LOYTEC electronics GmbH
12 L-IP Firmware Update
The L-IP firmware supports remote upgrade over the network and the serial console.
To guarantee that the L-IP cannot be destroyed due to a failed firmware update the L-IP
firmware consists of two images:
Fall-back image
L-IP application image
The fall-back image is write protected in flash memory and provides everything needed to
talk to the L-IP platform over the network. The L-IP application image is designed to be
updated over the network whenever there is a need to do so.
The fall-back image makes sure that the L-IP comes up in a status where the maintenance
software can at least talk to the L-IP platform and can download a new L-IP application
image.
When the L-IP boots up with the fall-back image, all port LEDs are flashing red. In this
state it does not forward any messages.
12.1 Firmware Update via the Web Interface
The device’s firmware can also be upgraded using the Web interface. This option can be
found in the Config menu under the Firmware item. For more details see Section 6.2.15.
This is the preferred method for L-IP series “C” models.
12.2 Firmware Update via the Console
On L-IP series “B” models the firmware can be downloaded over the serial cable. To
download the firmware via the console the L-IP must be connected to the RS-232 port of a
PC via its console interface as described in Section 5.1. You will need the LOYTEC serial
upgrade tool (LSU Tool), which can be downloaded from our homepage at
www.loytec.com.
Please make sure that the L-IP console shows the main menu otherwise navigate to the main
menu or simply reset the L-IP.
Double click on the *.dlc file that comes with the new firmware package. This should start
the LSU Tool and load the firmware image referenced in the dlc file. Please note that the
dlc file and the dl file must be stored in the same folder. The start window of the LSU tool
is shown in Figure 147.
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