Insight Environmental Configuration User Guide

Glossary 121
reference temperature
The temperature of the air in the subfloor near the rack (in metrics). Rack objects that do not require a
reference temperature are not be calculated into metrics.
RTU
remote terminal unit
sensor
A device that measures an aspect of the physical world, such as temperature, humidity, or current, and
converts it into a digital signal that can be recorded and represented in the HP Insight Environmental
system.
SNMP
Simple Network Management Protocol
SOAP
Simple Object Access Protocol
TCP
Transmission Control Protocol
transparent area
Area of a map where HP Imaging Server shows through. The transparent area is also called an alpha
channel.
WSN
wireless sensor network
zone
A logical or geographic grouping of sensor arrays which can make up an entire room or part of a room.
HP Imaging Server uses this concept in HP Observer to present thermal images of an area.