Hitachi TransPortal, Installation, Operation, Troubleshooting

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TransPortalTM Interlock Monitor
Copyright 2019 SM-1H1.0002 Rev. 2, March 2019 6-1
6. GLOSSARY, ABBREVIATIONS, AND ACRONYMS
The following terms, abbreviations, and acronyms used in this manual.
10/100Base-T The physical connection layer used by TCP/IP and
typically implemented in a Category 5 cable.
AAR American Association of Railroads
AREMA American Railway Engineering and Maintenance-of-
Way Association, a North American railway industry
group.
CAT5 Category 5 cable, unshielded twisted pair type cable, a
standard networking cable terminated with an RJ-45
compatible plug.
CDMA Code Division Multiple Access, a cellular channel
methodology, contrasted with GSM.
CLASS C EQUIPMENT AREMA classification of the TransPortal device, used
in protective bungalows or similarly NEMA-rated
enclosures.
CPU Central Processing Unit, also microprocessor.
DHCP Dynamic Host Configuration Protocol, a network
application protocol used by devices (DHCP clients) to
obtain configuration information for operation in an
Internet Protocol network. This protocol reduces
system administration workload, allowing devices to
be added to the network with little or no manual
intervention.
DNS Domain Name System, a hierarchical naming system
for computers and networked connected devices,
translates readable addresses to their respective
routable numeric addresses.
DOT (NUMBER) Department of Transportation, a unique physical asset
identification number used in the US transportation
industry.
EMI Electromagnetic Interference, radiated emissions from
a device that can disrupt operation of an adjacent
device.
ESN Electronic Serial Number, a unique identifier for a
cellular radio device.
FCC Federal Communications Commission
FQDN Fully Qualified Domain Name
FRA Federal Railway Administration, the railroad sector of
the US Department of Transportation.
FTP File Transfer Protocol, a networking protocol for
transferring data files.