Buffalo TeraStation III TS-IXL User Manual page 62

TCP protocol (data separation and error detection)
and the IP protocol (providing a receiver and sender IP
address).
UPS (Uninterruptible Power Supply)
An Uninterruptible Power Supply contains a battery for
backup, and can run devices for a few minutes when
utility power is not available so that the devices can be
shut down safely.
TeraStation III iSCSI User Manual 61