Panasonic PN28240i-ID Operation Manual page 236

When the download starts, the screen shown in Fig. 4-9-3 opens, and the
download status is displayed. (To cancel the TFTP transfer process, press
Ctrl+C during transfer.) When download is completed, the firmware is
rewritten. After waiting for the time set by the Reboot Timer, rebooting is
automatically executed.
PN28240i Local Management System
Software Upgrade Menu -> Download Status
TFTP Server IP:
TFTP Server IPv6:
Image File Name:
Protocol: TFTP
*******< Press CTRL-C to quit downloading >*******
Data received (Bytes)
---------------------
Note: Be sure not to turn off the power of the Switching Hub while
upgrading the firmware version.
192.168.1.10
::
M24eG.rom
Fig. 4-9-3 Download in Process
236