Weidmuller GPRS Alarm Unit - Manual (Page 91)

Glossary
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• Dynamic IP
IP address, is assigned to the client from a defined address range
dynamically, e.g. via a DHCP server.
E
F
• Fixed IP
Fixed IP addresses are assigned statically to the client by the
appropriate Internet provider.
G
• GSM
The Global System for Mobile Communications (GSM) is a fully
digital mobile communication network standard that is used mainly
for telephony, but also for line-switched and packet-switched data
transfer and for short messages (SMS).
• GPRS
GRPS is an extension of the GSM mobile telecommunication
standard - a packet-oriented data transfer which - at least for
advertising purposes - is often also called 2.5G (two point fifth
generation). This naming is effectively a reference to UMTS (3G).
Unlike than the line-switched data service HSCSD, GPRS is
packet-oriented. In other words: While still at the sender, the data
are converted into individual packets, transferred as such and
recompiled with the recipient.
H
I
• IPCP
IP Control Protocol. A network control protocol that - among other
services - serves for negotiating of a compression algorithm and for
transfer of a dynamic IP address (RFC1332).
• ISP Internet Service Provider
• IP
The Internet Protocol (IP) (also called Internet protocol) is a
network protocol widely used in computer networks. It is an (or
indeed the) implementation of the Internet layer of the CP/IP model.
J
K
L
• LED Light Emitting Diode