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GeminiG3 – 700MHz User Manual
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FTP
(File Transfer Protocol) - A protocol used to transfer files over a TCP/IP net-
work.
Gateway
A device that interconnects two or more networks with different, incompatible
communications protocols and translates among them.
GeminiG3
Third generation of Gemini
PD
products. Runs up to 128 kb/s in 50kHz channel.
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
browsers to servers on the World Wide Web.
IPCONFIG
A MS-Windows 2000 and XP utility that displays the IP information for a par-
ticular networking device.
LNK / ACT LED
Ethernet connection established / Ethernet activity taking place.
MAC ADDRESS
Media Access Control - The unique address that a manufacturer assigns to each
networking interface.
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 airlink between units.
Node
A network junction or connection point, typically a computer or work station.
OIP
Dataradio’s Optimized IP – Compresses TCP and UDP headers, and filters un-
necessary acknowledgments. This makes the most use of the available band-
width.
OTA
Over-The-Air - Convention for the transmission and reception of application-
related information in a wireless communications system. E.g.: OTA upgrade.
Paragon3
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
Patented technology used by GeminiG3 and Paragon3 featuring dual receivers
for added data decode sensitivity in multi-path and fading environments.
(United
States Patent No: 6,853,694 B1)
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.
PWR / PGM LED
Indicates presence of DC power input /
Roaming
Movement of a wireless node (GeminiG3) amongst Multiple Access Points
(Paragon3). GeminiG3 supports seamless roaming.
RS-232
Industry–standard interface for data transfer.
Smart Combining
Digital processing method used to combine “Spatial Diversity” signals to opti-
mize performance. (See Parallel Decode)
Spatial Diversity
Composite information from independent diversity branches using antennas
spaced apart is used with “Smart Combining” to minimize fading and other unde-
sirable effects of multipath propagation. (See Parallel Decode)
Static IP Address
A fixed address assigned to a computer or an interface that is connected to a net-
work.