Cisco GS7000 Installation And Operation Manual page 237

cables, etc.) used to carry signals from the headend system to subscriber terminals.
DSP
digital signal processor.
duplexer
A device which permits the connection of both a receiver and a transmitter to a common
antenna.
DVM
digital voltmeter.
DWDM
dense wave-division multiplexing. A method of placing multiple wavelengths of light into a
single fiber that yields higher bandwidth capacity. Dense WDM indicates close spacing and
more than 4 to 8 wavelengths.
E
EC
European Community.
EEPROM
electrically erasable programmable read-only memory.
EMC
electromagnetic compatibility. A measure of equipment tolerance to external electromagnetic
fields.
emission designer
An FCC or CCIR code that defines the format of radiation from a transmitter.
EPROM
erasable programmable read-only memory.
EQ
equalizer.
Glossary
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