Filter
Top Products
GLOSSARY LBI-39169
87
TERM DEFINITION
login information is databased to allow the CEC/IMC to track individual radio
units as they move from system-to-system. The CEC/IMC can then route wide
area calls based on this database.
Transmission Control Protocol
The Transmission Control Protocol (TCP) is the TCP/IP protocol that provides
reliable, connection-oriented data transmission between a pair of applications.
Trap
A message that reports a problem or significant event.
Trunking
The process of dynamically allocating a limited number of radio channels to
groups of people for communication purposes.
TSI
EDG
T
runked
S
ystem
I
nterface. The TSI handles all communications to the
rest of the EDACS trunked radio system via the CEC/IMC CIM.
TU
Test Unit. The TU continually tests channels and provides an alarm to the Site
Controller if a fault is detected. The TU and ACU form the Test and Alarm
Unit (TAU).
UDP
User Datagram Protocol. Connection-less-mode transport protocol used by
SNMP. Does not use acknowledgments or retries.
UPS
Uninterruptible Power Source. Used to keep the system running in the event of
a power outage.
VMIM
Con
V
entional
I
nterface
M
odule − The VMIM couples the CIA secondary
interface rack to the primary CEC/IMC switch interface modules. The VMIM -
CIA set allows conventional base stations and conventional satellite receiver
voting systems to be connected to the CEC/IMC switch.
X-model
A network-based display device that uses the X protocol over LAN to
communicate with the host.
X-terminal
The high-end performing X-model targeted at technical environments.
XLTR
C3 Modular/Desktop Console
Translator
− Using data protocol conversion
techniques, this interface module allows the CEC/IMC switch to communicate
with a C3 Modular/Desktop console. The XLTR is placed in the control data
path between the C3 console and its respective CIM.