H3C S3100 Series Installation Manual

Also see for S3100 Series: Configuration Command manual Operation manual Command manual Command manual

H3C S3100 Series Installation Manual Manual pdf 80 page image

5-3Enter your choice(0-9):Loading Software Using XModem Through Console PortIntroduction to XModemXModem is a file transfer protocol that is widely used due to its simplicity and good performance.XModem transfers files via console port. It supports two types of data packets (128 bytes and 1 KB), twocheck methods (checksum and CRC), and error packet retransmission mechanism (generally themaximum number of retransmission attempts is ten).The XModem transmission procedure is completed by the cooperation of a receiving program and asending program: The receiving program sends a negotiation packet to negotiate a packet checkmethod. After the negotiation, the sending program starts to transmit data packets. When receiving acomplete packet, the receiving program checks the packet using the agreed method. If the checksucceeds, the receiving program sends an acknowledgement packet and the sending programproceeds to send another packet; otherwise, the receiving program sends a negativeacknowledgement packet and the sending program retransmits the packet.Loading Boot ROM softwareFollow these steps to load the Boot ROM software:Step 1: At the prompt "Enter your choice (0-9):" in the Boot Menu, press <6> or <Ctrl+U>, and thenpress <Enter> to enter the Boot ROM update menu shown below:Bootrom update menu:1. Set TFTP protocol parameter2. Set FTP protocol parameter3. Set XMODEM protocol parameter0. Return to boot menuEnter your choice(0-3):Step 2: Enter 3 in the above menu to load the Boot ROM software using XModem. The system displaysthe following download bits per second setting menu:Please select your download baudrate:1.* 96002. 192003. 384004. 576005. 1152000. ReturnEnter your choice (0-5):Step 3: Choose an appropriate download bits per second. For example, if you select 5, the 115200 bpsrate is chosen, and the system displays the following information:Download baudrate is 115200 bpsPlease change the terminal's baudrate to 115200 bps and select XMODEM protocolPress enter key when readyNow, press <Enter>.