User Manual

SGD-SB2025NT-TUM
Jan 12 Page xii ABBREVIATIONS
ABBREVIATIONS
The following abbreviations are used throughout this document. Wherever practicable, whenever
the abbreviation is first used, the full meaning is given with the abbreviation in parenthesis, after
that only the abbreviation will be used.
Abbreviation Meaning
1PPS One Pulse Per Second (timing signal)
1U One Unit
AC Alternating Current
Ae Aerial/Antenna
AFSI Analogue Fixed Station Interface
AMBE+2 Advanced Multi-Band Excitation+2
BER Bit Error Rate
BNC Bayonet Neill-Concelman
C4FM Continuous 4 Level Frequency Modulation
CDCSS Continuous Digital Coded Squelch System
CMOS Complementary Metal Oxide Semiconductor
COR Carrier Operated Relay
COSHH Control Of Substances Hazardous to Health
csv comma separated variables
CTCSS Continuous Tone Coded Squelch System
CTS Communications Test Set
DC Direct Current
DCS Digital Coded Squelch
DFSI Digital Fixed Station Interface
DHCP Dynamic Host Configuration Protocol
DIP Dual In-line Package
DSP Digital Signals Processor
EEPROM Electrically Erasable Programmable Read Only Memory
EEROM Electrically Erasable Read Only Memory
EMI Electromagnetic Interference
EPROM Erasable Programmable Read-Only Memory
ESDS Devices Electrostatic Discharge Sensitive Devices
ET Engineering Terminal
FET Field Effect Transistor
FFSK Fast Frequency Shift Keying
FM Frequency Modulation
FW FirmWare
GPS Global Positioning System
ID IDentification
IF Intermediate Frequency
I/O Input/Output
IP Internet Protocol
I/P Input
LDMOS Laterally Diffused Metal Oxide Semiconductor
LED Light Emitting Diode
MDR Mini Data Ribbon