User Guide Part 8

Terms, Abbreviations and Acronyms
258
We.R
™
System User Guide
Term
Description
C2DM
Android Cloud to Device Messaging.
C2DM, which is now deprecated (GCM replaces the beta version of Android
C2DM), is a push notification service that helps developers send data from
servers to their applications on Android devices and launched together with
Android 2.2 by Google.
CCU
An Essence Term.
A We.R
™
system Central Control Unit.
Also referred to as Control Panel (CP).
CP
An Essence Term.
Control Panel.
See Central Control Unit (CCU).
DC
Direct Current
DIY
Do-It-Yourself
DMZ
Demilitarized Zone.
In computer security, a DMZ (sometimes referred to as a perimeter network) is a
physical or logical sub-network that contains and exposes an organization's
external-facing services to a larger and untrusted network, usually the Internet.
The purpose of a DMZ is to add an additional layer of security to an
organization's local area network (LAN). An external attacker only has access to
equipment in the DMZ, rather than any other part of the network.
DNS
Domain Name System.
A hierarchical distributed naming system for computers, services, or any
resource connected to the Internet or a private network. It associates different
types of information with domain names assigned to each of the participating
entities. A Domain Name Service resolves queries for these names into IP
addresses for the purpose of locating computer services and devices worldwide.
Driver
A Z-Wave
®
Term.
Typically, each serial port device used for controlling the Z-Wave
®
network
requires a driver to also be installed to operate the USB
™
stick. However, some
controller devices that plug into the serial port also have NO driver and will
communicate with standard serial port commands.
DUT
Device Under Test
ECOP
An Essence Term.
Enhanced Controlled Open Protocol.
Essence proprietary bi-directional compressing and encrypting over-radio
protocol.