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Configuration Guide - Basic Configuration

S1720, S2700, S5700, and S6720 V200R011C10

This document describes methods to use command line interface and to log in to the device, file operations, and system startup configurations.

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Serial Port Submenu

Serial Port Submenu

The serial port can be used for transferring files when the management interface fails. The transmission rate on the serial port is low. The default transmission rate is 9600 bit/s. You are advised to set the transmission rate to 115200 bit/s before transferring files.


The serial port uses the file transfer protocol XModem to transfer files. Select the correct transfer protocol to transfer files.

In the BootROM main menu, select 2 to access the serial port submenu.
          BootROM  MENU

    1. Boot with default mode
    2. Enter serial submenu
    3. Enter startup submenu
    4. Enter ethernet submenu
    5. Enter filesystem submenu
    6. Enter password submenu
    7. Clear password for console user
    8. Reboot
    (Press Ctrl+E to enter diag menu) 

Enter your choice(1-8): 2
          SERIAL  SUBMENU                                                       
    1. Update BootROM system                                                    
    2. Download file to Flash through serial interface                          
    3. Modify serial interface parameter                                        
    4. Return to main menu                                                      
Enter your choice(1-4): 
Table 10-2  Serial port submenu



1. Update BootROM system

Loads the BootROM program file using the serial port and upgrades the BootROM.


Currently, the system software contains the upgrade file of the BootROM. When you upgrade the system software, the BootROM is automatically upgraded.

2. Download file to Flash through serial interface

Loads files to the flash memory using the serial port.

A flash memory stores all files on a device, including the system software, configuration file, patch file, and log files generated during the device running.

3. Modify serial interface parameter

Allows you to modify parameters on the serial port. The default transmission rate is 9600 bit/s. The serial port supports the following transmission rates:
  • 9600 bit/s (default)
  • 19200 bit/s
  • 38400 bit/s
  • 57600 bit/s
  • 115200 bit/s

After changing the transmission rate on the serial port, synchronize the transmission rate on the PC with that on the serial port and reconnect the PC to the device.

4. Return to main menu


Updated: 2019-10-21

Document ID: EDOC1000178166

Views: 305793

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