Cal Amp VIPER SC+ 100 series User Manual - page 146
Viper SC+™ IP Router for Licensed Spectrum PN 001-5008-000 Rev. C
| Page 136
APPENDIX A – ABBREVIATIONS AND DEFINITIONS
Access Point: Communication hub for users to connect
to a LAN. Access Points are important for providing
heightened wireless security and for extending the
physical range of wireless service accessibility.
AES: Advanced Encryption Standard.
Airlink: Physical radio-frequency connection used for
communication between units.
ARP: Address Resolution Protocol; maps Internet
addresses to physical addresses.
Backbone: The part of a network connecting the bulk
of the systems and networks together, handling most
of the data.
Bandwidth: The transmission capacity of a given
device or network.
Browser: An application program providing the
interface to view and interact with all the information
on the World Wide Web.
COM Port: Both RS-232 serial communications ports of
the Viper SC and Viper SC+ wireless radio modems are
COM ports configured as DCE and designed to connect
directly to DTE.
CWID: a station identifier or “call sign” broadcast in
Morse code at specified periodic intervals to identify
the broadcasting radio.
DCE: Data Communication Equipment
Default Gateway: A device forwarding Internet traffic
from the Local Area Network (LAN)
DHCP: Dynamic Host Configuration Protocol; A
networking protocol that allows administrators to
assign temporary IP addresses to network computers
by “leasing” an IP address to a user for a limited
amount of time, instead of assigning permanent IP
addresses.
DNS: Domain Name Server; Translates the domain
name into an IP address.
Domain: A specific name for a network of computers.
DTE: Data Terminal Equipment; This designation is
applied to equipment such as terminals, PCs, RTUs,
PLCs, etc. DTE is designed to connect to DCE.
Dynamic IP Address: A temporary IP address assigned
by a DHCP server.
Ethernet: IEEE standard network protocol that
specifies how data is placed on and retrieved from a
common transmission medium.
Firewall: A set of related programs located at a
network gateway server that protects the resources of
a network from users on other networks.
Firmware: The embedded programming code running
a network device.
Fragmentation: Breaking a packet into smaller units
when transmitting over a network medium that cannot
support the original size of the packet.
FTP: File Transfer Protocol; A protocol used to transfer
files over a TCP/IP network.
Gateway: A device interconnecting networks with
different, incompatible communications protocols.
HDX: Half-Duplex; Data transmission occurring in two
directions over a single line, using separate Tx and Rx
frequencies, but only in one direction at a time.
HMI: Human Machine Interface. Button panel,
keyboard, or touch-screen equipped device that
provides a means of human interaction in controlling
devices.
HTTP: Hypertext Transfer Protocol; Communications
protocol used to connect to servers on the World Wide
Web.
IPconfig: Internet Protocol Configuration; A console
application available in Microsoft Windows and Mac
OS X that displays all current TCP/IP network
configuration values. Displays the IP address for a
particular networking device.
LAN: Local Area Network.