Clear-Com 4000 series II, Technical Manual

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4000 Digital Series
II
Issue 2.1 Technical Manual
STA0381 Page xi
Glossary of Terms
ADC Analogue to Digital Converter
ADM Assignment, Diagnostics and Monitoring
BNC Standard co-axial video connector
CAT5 Cable standard for high speed data communica-
tions (e.g. 100Base-TX)
CODEC Coder/Decoder
CMAPSi Configuration and Master Assignment Program-
ming System integrated
CSU Central Switching Unit
DAC Digital to Analogue Converter
DAK Direct Access Key
dB Decibel
DPDT Double-Pole-Double-Throw
EPROM Erasable Programmable Read-Only Memory
FLASH RAM Low voltage electrically erasable and program-
mable read-only memory.
GPI General Purpose Interface
GPSF General Purpose Special Function
Howlround Distorted audio - due to feedback of original sig-
nal in close proximity.
I/O Input / Output
I/P Input
IFB Interruptible Foldback
Local Programming Modifying the DAK assignments via the Intelli-
gent Control Panel SOFT Mode
LCD Liquid Crystal Display
LED Light Emitting Diode
Listen Route An audio route to the Control Panel from a
source. The audio is normally heard on the Con-
trol Panel's Loudspeaker or Headset.
LS Loudspeaker
Mb Megabyte
MHz Megahertz
N/C Normally Closed
N/O Normally Open