TP-Link TL-SL5428E User Manual page 239

3. Download Firmware via bootrom menu
To download firmware to the switch via FTP function, you need to enter into the bootrom menu of
the switch and take the following steps.
1） Connect the console port of the PC to the console port of the switch and open hyper
terminal. Connect FTP server to port 1 of the switch.
2） Power off and restart the switch. When you are prompted that "Press CTRL-B to enter the
bootrom" in the hyper terminal, please press CTRL-B key to enter into bootrom menu
shown as Figure 16-6.
As the prompt is displayed for a short time, you are suggested not to release the CTRL-B key
until you enter into bootrom menu after powering on the switch.
3） After entering into bootrom menu, please firstly configure the IP parameters of the switch.
The format is:
ifconfig ip xxx.xxx.xxx.xxx mask 255.255.255.0 gateway xxx.xxx.xxx.xxx.
For example: Configure the IP address as 172.31.70.22, mask as 255.255.255.0 and
gateway as172.31.70.1. The detailed command is shown as the figure below. Enter the
command and press Enter.
Figure 16-5 Port Settings
Figure 16-6 bootrom Menu
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