@Xi Computer Corporation MTower User Manual page 111

T-1 line
T-3 line
Trackball
Uninterruptible
power supply
Universal serial bus A new I/O standard designed to replace the different kinds
®
Zip drive
Xi® MTower™ - NTower™ - NetRAIDer™
A heavy copper wire connection, divided into 24 64 KB
channels at a maximum capacity of 1.54 MB.
A 45 megabyte line, equivalent to 28 T-1 lines.
Basically an upside-down mouse. Rather than sliding the
entire device to direct cursor movement (as with a mouse),
the trackball rests in one place. The tracking ball is exposed
on the top side of the trackball and is rotated by hand. The
obvious advantage of the trackball over a mouse is that it
doesn't require the space for the pad on which to run.
A device designed to provide back-up power when power
from the AC outlet is interrupted. An uninterruptible power
supply lets you save your work, exit your applications, and
power-down your computer. Without it, your computer
automatically shuts down as soon as it loses power, causing
you to lose all of your unsaved work.
of serial and parallel connectors with a single, standardized
Plug-and-Play combination.
A removable storage solution that stores data on proprietary
3.5-inch cartridges.
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