Glossary
128
GPS
Global Positioning System. A system of satellites, computers, and
receivers that is able to determine the latitude and longitude of a
receiver on Earth by calculating the time difference for signals
from different satellites to reach the receiver.
GSM
Global System for Mobile communication. A European digital
standard for mobile or cellular telephony.
H
HPA
High Power Amplifier
I
IMO
International Maritime Organization
IMSO
International Maritime Satellite Organisation
ISDN
Integrated Services Digital Network. An international
communications standard for sending voice, video, and data over
digital telephone lines or normal telephone wires. ISDN supports
data transfer rates of 64 kbps.
L
LAN
Local Area Network. A system that links together electronic office
equipment such as computers and word processors, and forms a
network within an office or building.
LED
Light Emitting Diode
LES
Land Earth Station. The LES is located at the "other" end of the
MES’s satellite link. The LES connects to the local telephone
networks and manages calls to and from the MES.
Summary of Contents for TracPhone F55
Page 22: ...Table of Contents x...
Page 28: ...Chapter 2 GMDSS Installations 6 Power Supply...
Page 40: ...Chapter 3 Placing the Antenna 18 Antenna Mast Design...
Page 48: ...Chapter 5 Installing the BDU 26 Grounding the BDU...
Page 54: ...Chapter 6 F77 Distress Cradle 32 Assembly Alternative...
Page 58: ...Chapter 7 F55 Passive Cradle 36 Passive Cradle Assembly...
Page 64: ...Chapter 8 Connecting Power 42 Power supply specification...
Page 84: ...Chapter 10 Hardware Interfaces 62 Discrete I O interface...
Page 116: ...Appendix C F55 77 BDU Technical Specifications 94 Measuring the Ship Source Impedance...
Page 120: ...Appendix D Distress Cradle Technical Specifications 98 Outline Dimensions...
Page 123: ...Chapter E Passive Cradle Technical Specifications Outline Dimensions 101 EEE...
Page 124: ...Chapter E Passive Cradle Technical Specifications 102 Outline Dimensions...