User's Manual

Table Of Contents
120 20170-302 vii Paragon
PD
Technical Manual
Definitions
The following terms are used throughout this document.
Asynchronous Information that can be sent at random times, and not synchronized to a clock.
Transmission characters begin with a “start” bit and end with a “stop” bit.
AVL Automatic Vehicle Location. Optional feature that involves using GPS (Global
Positioning System) signals from the mobile unit by the Host PC.
BDLC
PD
Base Station Data Link Controller (PD = Parallel decode). An async radiomo-
dem designed to control the base station in mobile systems. A component of
Paragon
PD
.
DBA Dataradio’s Dynamic Bandwidth Allocation protocol designed for short-
inquiry/long response applications such as dispatch systems. Latest enhance-
ments include support for occasional long messages inbound, and for Out-of-
Band data for AVL reports with no extra overhead.
DCE Data Communications Equipment. This designation defines the direction (input
or output) of the various RS-232 interface signals. Modems are always wired as
DCE.
DTE Data Terminal Equipment. This designation defines the direction (input or out-
put) of the various RS-232 interface signals. Most user equipment, as well as
PCs, are wired as DTE.
Gemini
PD
High specs mobile radiomodem. (PD = Parallel Decode)
Gemini
PD+
On-air compatible with Gemini
PD
. Runs up to 32 kb/s
Network Speed This is the bit rate on the RF link between units. Could be different from COM
port baud rate.
Paragon
PD
Factory-integrated industrial-grade data base station using Parallel Decode tech-
nology. Used in VIS mobile networks.
Parallel Decode Technology featuring dual receivers for added data decode sensitivity in multi-
path and fading environments.
Refarming FCC’s strategy for using the radio spectrum more efficiently to meet future
communications requirements.
Radio Assembly Radio modules used in Paragon
PD
and available in two distinct series depending
on radio’s frequency band.
RS-232 Industry–standard interface for serial data transfer.
VIS Vehicular Information Solutions. Dataradio’s name for a series of products spe-
cially designed for mobile data.
WinRIS Windows Radio Installation Software. This software allows basic tests, unit con-
figuration, and troubleshooting.