Operations Manual

glossary-14 © 1999 Triton Network Systems, Inc. All Rights Reserved.
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rain attenuation
Transmit signal loss due to rain.
Received Signal Strength Indicator
See RSSI.
receiver
Telecommunication equipment device that captures and converts a
transmitted signal to the required format.
reference oscillator
A device that generates a precise radio frequency signal to be used as a
reference.
RF
See Radio Frequency (RF).
RF spectrum
Range of available radio frequencies.
router
A layer-3 physical device that aggregates and directs network traffic based on
TCP/IP.
RS-232
Recommended standard physical interface (connector) for electrical,
functional, and mechanical communication interfaces between computers,
terminals, and modems.
RSL
See RSSI.
RSSI
Received Signal Strength Indicator (also known as RSL, Received Signal
Level). A measured value from a receiver describing the received signal level
or strength.
S
security management
System to protect a network from invalid access.
Signal Quality Metric (SQM)
Ratio of bit energy to noise power spectral density. The SQM value relates to
transmission and receiver signal quality.