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LBI-39224
G-4
control data
Control
data
includes any data used for system control.
Controller Board
The
Controller
Board
processes control data, holds databases, and
controls the Audio Boards within its respective interface module.
CTIM
C
entralized
T
elephone
I
nterconnect
M
odule – The CTIM is a
CEC/IMC interface module used to connect Centralized Telephone
Interconnect System (CTIS) equipment to the CEC/IMC so radio
users and dispatchers can access land-line telephone systems.
DC control
Remote control of a base station over metallic lines by applying
different DC voltages and polarities to select different functions.
default value
The software provides predetermined or
default
values
in a majority
of the data entry fields within the program. The default values
assume that the program will be used without optional features.
Before changing default values, the operational implications should
be understood.
distributed multisite
Two or more IMC networks can be linked together for
distributed
multisite
communication. Audio and control data is transferred
between the different IMC networks via a NIM at each IMC. (Also
see
StarGate
Controller
.)
DPRAM
D
ual
P
ort
R
andom
A
ccess
M
emory – These specialized memory
chips have two separate data buses that allow two microprocessor
chips to quickly and efficiently transfer data between each other.
DVIM
D
igital
V
oice
I
nterface
M
odule – The DVIM is a CEC/IMC interface
module that connects
D
igital
V
oice
I
nterface
U
nits (
DVIU
) to the
CEC/IMC to provide Aegis digital and Aegis private voice operation
for dispatch consoles, Jessica PBX, and CTIS equipment. (Also see
Aegis
,
Jessica PBX Gateway
, and
CTIM
.)