Specifications

108 Chapter 9
XMU+ Hardware Upgrades
To back up the current configuration
To reduce the amount of time required to restore the XMU+ in the event of a system
failure, you should back up the configuration and messages contained within the
XMU+ to a PC using XMUCOM+ before you begin any maintenance or upgrade
procedure. See the XMU+ QuickStart Guide for more information.
If you cannot back up the XMU+ with XMUCOM+ software, make sure that you:
1. Obtain an up-to-date listing and description of the configuration.
2. Obtain the current text of all messages (so that they can be re-recorded later).
3. Understand Front Panel navigation and programming. See Message Menu
Hierarchy - Single Partition Mode on page 77.
To power down the XMU
+
1. Back up the configuration and messages contained within the XMU+.
See To back up the current configuration on page 108.
2. Unplug the XMU+ from its power supply and all telephone lines.
To bring the XMU
+
online
Depending on the task performed while the XMU+ is offline, the XMU+ may maintain
its time and date, messages, and configurations - even if the system is down for days.
However, after certain tasks are performed you may need to reload messages and
configurations, and to reset the time and date.
1. Connect the XMU+ to the power supply and telephone lines.
2. If required, load all messages and configurations using:
 XMUCOM+ software. See the XMU+ QuickStart Guide for more
information.
 Front Panel. See Using the Front Panel on page 82 and Testing XMU+ Line
Connections
on page 100.
3. Set time and date. See To set time and date (from the Front Panel) on page 96.