APPENDIX A
— ABBREVIATIONS AND DEFINITIONS
AAVL:
Autonomous Automatic Vehicle Location
ADC:
Analog to Digital Converter
APN:
Access Point Name
CDMA:
Code Division Multiple Access
CHAP:
Challenge Handshake Authentication Protocol
CSD:
Circuit-Switched Data
CSMA:
Carrier Sense Multiple Access
CTS:
Clear To Send
DCD:
Data Carrier Detect
DCE:
Data Communication Equipment
DHCP:
Dynamic Host Configuration Protocol
DNS:
Domain Name System or Domain Name Service
DO:
DeviceOutlook™
ECIO:
(Also Ec/IO) A ratio expressed in decibels
referenced to a milliwatt (dBm), of received energy on
the carrier (Ec) to interference or noise (IO).
EDGE:
Enhanced Data rates for Global Evolution
ESN:
Electronic Serial Number
EV-DO
or
EVDO:
Evolution Data Optimized
FCC:
Federal Communications Commission (U.S.)
GPRS:
General Packet Radio Service
GPS:
Global Positioning System
GSM
: Global System for Mobile communications
HSPA:
High Speed Packet Access
HSDPA:
High-Speed Downlink Packet Access
HSUPA:
High-Speed Uplink Packet Access
IC:
Industry Canada
IMEI:
International Mobile Equipment Identity
IMSI:
International Mobile Subscriber Identity
kbps:
Kilobits per Second
LAN:
Local Area Network
LED:
Light-Emitting Diode
Mbps:
Megabits per Second
MDN:
Mobile Directory Number
ME:
Mobile Equipment
MEI:
Mobile Equipment Identity
MEID:
Mobile Equipment Identifier
MHz:
Megahertz
MSGPS:
Multi-Satellite Global Positioning System
NMEA:
National Marine Electronics Association
NTP:
Network Time Protocol
ODP:
Open Developers Platform
OMA-DM:
Open Mobile Alliance Device Management
OTA:
Over The Air
PAD:
Packet Assembler and Disassembler
PAP:
Password Authentication Protocol
PCS:
Personal Communications Service
PDP:
Packet Data Protocol
PDU:
Protocol Data Unit
PIN:
Personal Identification Number
PPP:
Point-to-Point Protocol
PPTP:
Point-to-Point Tunneling Protocol
PRL:
Preferred Roaming List
RADIUS:
Remote Authentication Dial In User Service
RF:
Radio Frequency
RSSI:
Received Signal Strength Indication
RTU:
Remote Terminal Unit
Vanguard 3000 Series Multicarrier Cellular Data Modem & IP Router PN 001-7300-100 Rev. B
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