Cisco GainMaker Optoelectronic Node 1GHz with 65 86 MHz Split Installation Guide
Glossary
diplex filter
A filter which divides the frequency spectrum into a high frequency segment and a low
frequency segment so that two different signals can be sent down the same transmission path.
distribution
The activities associated with the movement of material, usually finished products or service
parts, from the manufacturer to the customer.
distribution system
The part of a CATV system consisting of the transmission medium (coaxial cables, fiber optic
cables, etc.) used to carry signals from the headend system to subscriber terminals.
DVM
digital voltmeter.
E
EC
European Community.
EMC
electromagnetic compatibility. A measure of equipment tolerance to external electromagnetic
fields.
EQ
equalizer.
equalization
The process of compensating for an undesired result. For example, equalizing tilt in a
distribution system.
ESD
electrostatic discharge. Discharge of stored static electricity that can damage electronic
equipment and impair electrical circuitry, resulting in complete or intermittent failures.
F
frequency
The number of similar shapes in a communications or electrical path in a unit of time. For
example, the number of sine waves moving past a fixed point in a second.
frequency response
The effect that changing the frequency has on the magnitude of a signal.
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