In such an event, the Upload New File window will disappear, and the Upgrade System Software
window will be displayed again instead.
Should this happen repeatedly, you can transfer the update file using a file transfer pro-
tocol such as scp, sftp or ftp, if security is not a concern. The update can then be initiated
from the Web UI or Command Line.
Disk Status: In the event of an aborted update process, under Tools > Upgrade/Backup >
Disk Status, check Percent Used: If the number is greater than 70%, free up disk space,
before starting another attempt to update the System Software.
Rollback System Software
In the event of a malfunctioning of a newly uploaded System software, it is possible to rollback
to the previously installed system software, a copy of which is maintained by default:
1.
Navigate to TOOLS > SYSTEM: Upgrade/Backup.
2.
In the Actions panel on the left, click * Rollback System *. Follow the instructions on the
screen.
5.2 Command-Line Interface
A terminal emulation program is used to emulate a video terminal, so as to access VersaSync's
CLI (Command-Line Interface) remotely via a serial cable. This may be required if no other
means of remotely accessing VersaSync are available, for example if Ethernet ports are used
otherwise or have been disabled (e.g., for security reasons).
5.2.1 Setting up a Terminal Emulator
If no other means are available to access VersaSync, a terminal emulation program can be
used to carry out certain configuration changes by accessing VersaSync's CLI (command-line
interface) via a serial port connection. An application example for this scenario is to enable a
network port so that the VersaSync Web UI can be used. While it is also possible to retrieve
selected logs, a terminal emulator does not replace the VersaSync Web UI.
Spectracom does not distribute or support its own terminal emulator, and newer Microsoft oper-
ating systems no longer include HyperTerminal. However, there are several third-party open-
source programs available, such as TeraTerm
®
or PuTTY
®
. The example below illustrates the use
of TeraTerm. The setup procedure is similar when using other terminal emulation programs.
240 VersaSync User Manual
APPENDIX
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