viii
SIG-QG-17-05 DECEMBER 2017
Version No.: A
GLOSSARY
Association of American Railroads – An organization that establishes
uniformity and standardization among different railroad systems.
American Railway Engineering and Maintenance-of-way Association
GCP: Grade Crossing Predictor – A train detection device used as part of a
highway-railroad grade crossing warning system to provide a relatively
uniform warning time.
GPS: Global Positioning System.
IP: Internet Protocol - ISO Model Layer 3 (network) protocol that performs
proper routing of packets.
LAN: Local Area Network – A limited network where the data transfer medium
is generally wires or cable.
LED: Light-Emitting-Diode - A solid-state indicator.
Module: Physical package including PCBs and input/output terminals for
connecting to external devices and equipment.
RJ-45: Industry standard Ethernet port
RS232: Industry standard serial port.
RX: Receive
RXD: Receive Data
TX: Transmit
TXD: Transmit Data
USB Port: Universal Serial Bus Port
USB Drive: Types of memory devices that plug into a USB port. These devices are
commonly called flash drives or memory sticks.
To Next Page
Loading...
Need help?
General
