Software Maintenance Methods - 3Com MSR 50-40 ROUTER. Installation Manual

The file name cannot be longer than 64 characters (including drive letter and a string terminator. If
the drive letter is "CF:/", the file name can be at most [ 64-1-4 ] = 59 characters in length; or, errors
will occur in file operation. Typically, the file name is recommended to be not more than 16
characters.
The extension ASCII characters (ASCII>=128) and invisible characters (ASCII<33) cannot be
included in the file name.
The following characters cannot be included in the file name: ", ', ?, \, space, *, |, <, /, :, >, ~.
The character "." can be included in the file name, but cannot be the first or last character of the file
name. Two consecutive "."s are not allowed.

Software Maintenance Methods

1) Upgrading BootROM and application program using XModem protocol through serial port.
2) Upgrading application program from TFTP/FTP server through Ethernet interface in BootROM.
3) Uploading/downloading application program and configuration file from TFTP/FTP server via
command lines.
BootROM program is upgraded through binding with the Comware version. You do not need to
upgrade it separately. The system automatically upgrades BootROM to be the latest version while
upgrading Comware.
Check the current version of BootROM and application program before upgrading. For the
association between Comware version and BootROM program, see the corresponding Release
Notes.
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