6878215A01
Glossary-2
ball grid array A type of IC package characterized by solder balls arranged in a grid
that are located on the underside of the package.
CAN
Controller Area Network protocol. The CAN cable is the remote
communications cable which provides audio, data, and power signaling
information between the Control head and the Transceiver.
CHIB
Control Head Interface Board. Used to provide functionality /
connectivity between the CHUC and control head.
CHUC
Control Head Universal Connector. A separate board which provides
connectivity to the CHIB and control head.
CODEC See coder/decoder.
coder/decoder A device that encodes or decodes a signal.
CPS See Customer Programming Software.
Customer
Programming
Software
Software with a graphical user interface containing the feature set of an
ASTRO radio.
D/A See digital-to-analog conversion.
DAC See digital-to-analog converter.
Data communication
equipment
Definition for device (such as radio) data communications using the
RS232 protocol. The correct data communication wiring requires the
device’s TX pins (output) to connect to the RX pins (input) and the RTS
pins (output) to connect to the CTS pins (input). It is incorrect to attach
device pins having the same name to each other.
Data terminal
equipment
Data terminal equipment; for example, a computer.
DCE See Data communication equipment.
default A pre-defined set of parameters.
D.E.K Direct Entry Keyboard.
digital Refers to data that is stored or transmitted as a sequence of discrete
symbols from a finite set; most commonly this means binary data
represented using electronic or electromagnetic signals. See also
analog.
digital-to-analog
conversion
Conversion of a digital signal to a voltage that is proportional to the input
value. See also A/D.
digital-to-analog
converter
A device that converts digital data into analog signals. See also ADC.
Term Definition
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