Glossary - Futurecom DVR-LX Installation Manual

Glossary

Keyword
AVRA
CH
Channel
Cross-band
DEK
Duplex
DVR
DVRS
FCC
Flat
FRC
In-band
ISED
LOC
Mode
MPE
MSU
P25
Primary
PSU
RF
RX
Secondary
Simplex
8M093X01 R1.0
Description
Automated VR Activation.
DVR-LX option which permits automated activation of the
DVR-LX by either using a VIP input on the MSU CH / DEK or a
pin on the DVR-LX Auxiliary cable. Requires external logic /
switch (not provided).
Control Head.
The communication path between DVR-LX and PSU, or MSU
and Conventional System
DVR-LX operates in a different frequency band than all of the
System frequency bands.
Direct Entry Keyboard.
Data/voice can flow in two directions at the same time. DVR-
LX can transmit and receive simultaneously.
Digital Vehicular Repeater.
When a DVR-LX is interfaced with an MSU, the complete
equipment package is referred to as a Digital Vehicular
Repeater System (DVRS).
Federal Communications Commission.
DVR-LX components are provided individually allowing for a
lower profile installation.
Futurecom Repeater Configurator.
Programming software application for the DVR-LX.
DVR-LX operates in the same frequency band as a system
frequency band.
Innovation, Science and Economic Development Canada.
Local Mode: DVR-LX
mode which allows repeated communication
between the local PSUs and MSU. If configured, can also monitor
activity on the selected MSU channel.
MSU – Talk group or channel
DVR-LX – Determines the communication exchange
capabilities between System Users and Local Portable Users;
Can be set to OFF, LOCAL or SYSTEM.
Maximum Permissible Exposure.
Mobile Subscriber Unit.
Standards for interoperable digital two-way radio products.
This DVR-LX is responsible for all communications in its coverage
area. All other DVR-LXs in the coverage area are in Secondary
state.
Portable Subscriber Unit.
Radio Frequency. Part of the general frequency spectrum
10kHz - 10,000,000 MHz.
Receive.
This DVR-LX is not responsible for communications. There is a
Primary DVR-LX already present in the coverage area.
Data/voice can only flow in one direction at a time. DVR-LX
can either transmit or receive at one time.
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