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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.
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.
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
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.
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.
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.
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.
port baud rate.
Paragon
PD
Factory-integrated industrial-grade data base station using Parallel Decode tech-
nology. Used in VIS mobile networks.
nology. Used in VIS mobile networks.
Paragon
PD+
Higher performance model.
Parallel Decode
Technology featuring dual receivers for added data decode sensitivity in multi-
path and fading environments.
path and fading environments.
Radio Assembly
Radio modules used in Paragon
PD
and 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.
cially designed for mobile data.
WinRIS
Windows Radio Installation Software. This software allows basic tests, unit con-
figuration, and troubleshooting.
figuration, and troubleshooting.