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Appendix C: Glossary
4G LTE
Refers to the fourth generation of cellular wireless standards. It is a successor to 3G
and 2G families of standards. 4G provides up to 10 times the data transfer speeds
of 3G.
DACT
Digital Automated Communications Terminal
DHCP
Dynamic Host Configuration Protocol, which provides a mechanism for allocating IP
addresses dynamically so that addresses can be reused when hosts no longer need
them.
DNS
Domain Name System, which is a distributed hierarchical naming system used to
resolve domain names (e.g., www.yahoo.com) into numerical IP addresses (e.g.,
204.17.25.1.).
DSL
Digital Subscriber Line.
ECP
Enhanced Console Protocol, which is a proprietary bus used in Resideo control
panels to communicate with keypads and peripheral devices. It uses four wires:
power, ground, data in, data out.
Gateway IP
Address
A gateway (sometimes called a router) is a computer and/or software used to
connect two or more networks (including incompatible networks) and translates
information from one network to the other. The Gateway IP address is the IP address
for the gateway.
IMEI
International Mobile Equipment Identity number.
IP
Internet Protocol.
IP Address
A unique number consisting of four parts separated by periods (for example:
204.17.29.11). An IP Address can be fixed or "static", or "dynamic," where the IP
Address is assigned via DHCP at every startup.
ISDN
Integrated Services Digital Network.
ISP
Internet Service Provider.
LAN
Local Area Network.
LRR
Long Range Radio, an older term now referred to as communicator. A broader term
communications module or communications device may also be used.
MAC ID
Media Access Code, this is a unique address assigned to every network
communications device. For the communicator it is located on the box and inside
the communicator.
Subnet Mask
A Subnet is a portion of a network that shares a network address with other portions
of the network, and is distinguished by a subnet number. The Subnet Mask is a 32-
bit address mask used in IP to indicate the bits of an IP address that are being used
for the subnet address.
TCP/IP
Transmission Control Protocol / Internet protocol.
Summary of Contents for LTEM-PA
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