2000-A2-GB20-10 - 44 - February 2004Updating ACOSType O on the File Transfer menu to display the File Transfer Methodmenu and download the Atlas Communications Operating System (ACOS)to the file system in Flash memory on the IAD. The file is stored on the IADas acos.bin.The IAD displays the File Transfer Method menu.1. Type 1 to use TFTP, or 2 to use XMODEM to transfer the new versionof ACOS to the IAD. If you select XMODEM, proceed to step 4.2. The IAD displays the prompt for the IP address of the TFTP server:Enter ip address of TFTP server. ->Type the IP address of the TFTP server and press Enter.3. The IAD displays the following prompt for the file name to transfer:Type the name of the file and press Enter. To exit without transferringthe file, press Escape or Enter without typing the file name.4. When XMODEM is selected, if the file is not located, the IAD promptsyou for the file transfer speed.5. The IAD transfers the file via TFTP or XMODEM.6. Perform a hard reset to reset the IAD (page 37) whenever you load anew version of ACOS. Performing a normal reset is not recommended.Updating the System1. Type X to update the IAD by transferring the upgrade package of filesprovided by the manufacturer. The number and type of files varies byIAD.The IAD uses TFTP to download files sequentially to the IAD.1. The IAD displays the confirmation prompt:Are you sure? Y or N:Type Y to continue, or any other character to escape.2. The IAD prompts for the IP address of the TFTP Server:Enter ip address of TFTP server. ->Type the IP address of the TFTP server and press Enter.The IAD transfers each of the system files.3. When the file transfers are complete, perform a hard reset to restartthe IAD (page 37). Performing a normal reset after updating thesystem is not recommended.Using File Transfer UtilitiesTo perform file transfers for any files, type A to display the File TransferMethod menu to download a file to the file system in the IAD. The IADdisplays the File Method menu.1. Type 1 to use TFTP, or 2 to use XMODEM to transfer the file to theIAD. If you select XMODEM, proceed to step 3.2. The IAD displays the prompt for the IP address of the TFTP server:Enter ip address of TFTP server. ->Type the IP address of the TFTP server and press Enter.3. The IAD displays the following prompt for the file name to transfer:
