Quidway AR 28 Series Routers Installation Manual.pdf - Index of

Installation ManualQuidway AR 28 Series RoutersChapter 6 Router MaintenanceThen restore the baudrate of the configuration terminal to 9600bps as per the prompt(disconnection and re-dialing are also required here), and then the system start upnormally.II. Upgrading the entire Boot ROM programStep 1: Enter Boot menu, select to turn to Boot ROM operation menu.Step 2: Select in the Boot ROM operation sub-menu to download the Boot ROMprogram with XModem. The Router provides you with several speeds. The subsequentoperation steps are the same as those described in “I. Upgrading the applicationprogram” contained in “Section 6.1.2 Upgrading Software through XModem Protocol”.Caution:If the all Boot ROM program fails during upgrade, it cannot be restored on site. Therefore, only whennecessary can you upgrade the whole Boot ROM, besides, you must upgrade under the guide of technicalsupport personnel.III. Upgrading the extended segment of Boot ROM programStep 1: Enter Boot menu, select to turn to Boot ROM operation menu.Step 2: Select in the operation sub-menu to upgrade the extended segment of BootROM program with XModem. The Router provides you with several speeds. Thesubsequent operation steps are the same as those described in “I. Upgrading theapplication program” contained in “Section 6.1.2 Upgrading Software through XModemProtocol”.6.1.3 Backing up and Restoring the Extended Segment of Boot ROMProgramI. Backup the extended segment of Boot ROM Program in FLASHStep 1: Enter Boot menu, select to turn to Boot ROM operation menu.Step 2: Select in the operation sub-menu to copy the current extended segment ofBoot ROM program into the FLASH, and then the following information will bedisplayed in the terminal interface if the restoring operation is successful.Writing to FLASH.Please wait...####Backuping Boot ROM program to FLASH successed!6-7