User Manual

120 20195-100 Preliminary Paragon4 – UHF, 700, & 800MHz User Manual
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Gateway A device that interconnects two or more networks with different, incompatible
communications protocols and translates among them.
GeminiG3 Third generation of Gemini
PD
VIS products. High specs dual DSP mobile radio-
modem with Dataradio Parallel Decode™ technology
HDX Half Duplex. Data transmission that can occur in two directions over a single
line, using separate Tx and Rx frequencies, but only one direction at a time.
HTTP HyperText Transport Protocol - The communications protocol used to connect to
servers on the World Wide Web.
IPCONFIG A Windows 2000 and XP utility that displays the IP address for a particular net-
working device.
MAC ADDRESS Media Access Control - The unique address that a manufacturer assigns to each
networking device.
MIB Management Information Base (MIB)-a logical, hierarchically organized data-
base of network management information. Used in SNMP.
NAT Network Address Translation - NAT technology translates IP addresses of a local
area network to a different IP address for the Internet.
Network A series of computers or devices connected for the purpose of data sharing, stor-
age, and/or transmission between users.
Network speed This is the bit rate on the RF link between units.
Node A network junction or connection point, typically a computer or work station.
OID An object identifier or OID is an identifier used to name an object and is the nu-
merical equivalent of a path. In SNMP, an OID consists of numbers separated by
decimal points. Structurally, an OID consists of a node in a hierarchically as-
signed namespace.
OIP Optimized IP – Compresses TCP and UDP headers, and filters unnecessary ac-
knowledgments. This makes the most use of the available bandwidth.
OTA Over-The-Air - Standard for the transmission and reception of application-related
information in a wireless communications system
Palette Synchronization patterns used to identify the speed and coding of packets trans-
mitted over-the-air in E-DBA.
Paragon4 IP-based data radio base station used in mobile networks and designed specifi-
cally to fit the needs of vehicular applications. Runs up to 128 kb/s
Parallel Decode Technology featuring dual receivers for added data decode sensitivity in multi-
path and fading environments. (United States Patent No: 6,853,694 B1)
PHY A PHY chip (called PHYceiver) provides interface to the Ethernet transmission
medium. Its purpose is digital access of the modulated link (usually used together
with an MII-chip).
The PHY defines data rates and transmission method parameters.
PDU Protocol Data Unit - A PDU is a message of a given protocol comprising payload
and protocol-specific control information, typically contained in a header. PDUs
pass over the protocol interfaces that exist between the layers of protocols.
Ping Packet INternet Groper - An Internet utility used to determine whether a particu-
lar IP address is online.
PLC Programmable Logic Controller. An user-provided intelligent device that can
make decisions, gather and report information, and control other devices.
Roaming Movement of a wireless node (GeminiG3 radiomodems) amongst Multiple Ac-
cess Points (Paragon4). Paragon4 radiomodems support seamless roaming.
Router A networking device that connects multiple networks together.