Appendices
C-1
Appendix C: Glossary
4G 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.
AES Advanced Encryption Standard
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 Honeywell
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.
General Packet Radio Service.
GSM Global System for Mobile communications, which is an international standard
for digital mobile phone systems used for cellular communication.
International Mobile Equipment Identity number.
IP Internet Protocol.
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. It is located on 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.
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