H3C S7502 Ethernet Switch Installation Manual

Installation Manual
H3C S7502 Ethernet Switch Chapter 7 Software Maintenance
7-4
sends an acknowledgement character; if the check fails, it sends a reject character.
Upon the receipt of the acknowledgement, the sending program continues to send the
next packet; upon the receipt of the reject, it retransmits the packet.
II. Loading Boot ROM
Follow these steps to download the Boot ROM program:
Step 1: Press <Ctrl+U> and <Enter> in the Boot Menu to display the Boot ROM update
menu:
SRPU bootrom update menu:
1. Set TFTP protocol parameter
2. Set FTP protocol parameter
3. Set XMODEM protocol parameter
0. Return to boot menu
Enter your choice(0-3):3
Step 2: Type <3> to download the Boot ROM program using XModem. Press <Enter>
and the system displays the following download speed setting menu:
Please select your download baudrate:
1. 9600
2. 19200
3. 38400
4. 57600
5. 115200
0. Exit
Enter your choice (0-5):5
Step 3: Choose an appropriate download baud rate. Type <5> to choose the baud rate
115200 bps. Press <Enter> and the system displays the following information:
Are you sure to update SRPU bootrom? Yes or No(Y/N)
Step 4: Type <Y> to start the downloading or <N> to return to the program downloading
menu. If you type <Y>, the system displays the following information:
Download baudrate is 115200 bps. Please change the terminal's baudrate to
115200 bps, and select XMODEM protocol.
Press enter key when ready.
 Note:
You do not need to modify the HyperTerminal’s baud rate if you have chosen 9600 bps,
and thus you can skip Steps 5 and 6 and go to Step 7 directly. At this time, the system
will not display the above information.