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VX150 TO VX2 TROUBLESHOOTING MANUAL
LIST OF TERMS
VERSION 2.0 2023-04-20
PAGE 3.6.1
SECTION 3.6: LIST OF TERMS
This section defines some of the terms that are used in Nautel documentation.
AES/EBU.
Audio Engineering Society/European Broadcasting Union (AES/EBU) is the name of a digital
audio transfer standard. The AES/EBU digital interface is usually implemented using 3-pin XLR
connectors (the same type connector used in professional micros). One cable carries both left-channel
and right-channel audio data to the receiving device.
Cutback.
A reduction in RF output power, caused by the occurrence of multiple shutbacks within a
pre-defined period.
DHCP.
Dynamic Host Carrier Protocol.
DSP.
Digital Signal Processing.
EEPROM.
Electrically Erasable Programmable Read-Only Memory.
Foldback.
A reduction in RF output power, caused by adverse load conditions (high VSWR). No
shutbacks or cutbacks have occurred.
FPUI.
The Front Panel User Interface is the transmitter’s front panel display that allows for extensive
local control and monitoring of the transmitter.
LED.
Light Emitting Diode (also referred to as lamp).
LVPS.
Low Voltage Power Supply. A module or modules used in the ac-dc power stage that generates
the low level dc supply voltage for the transmitter.
Preset.
A setting that controls power level, frequency and audio parameters. The VX150 to VX2 allows
you to pre-program multiple presets.
PWB.
Printed Wiring Board.
Remote AUI.
The Remote AUI allows for extensive remote control and monitoring of the transmitter.
Shutback.
A complete, but temporary loss of RF output power, caused by any one of a variety of
faults, including high VSWR.
Shutdown.
A complete and permanent loss of RF output power. Typically follows repeated cutback,
foldback or shutback events.
Surge protection panel.
An electrical panel that protects equipment from electrical surges in the ac
power supply, antenna or site ground caused by lightning strikes.
VSWR.
Voltage standing wave ratio. This is an expression of the ratio of reverse voltage to forward
voltage on the feedline and antenna system. An ideal VSWR of 1:1 provides maximum transmitter-
antenna efficiency.
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Страница 168: ...VERSION 2 0 2023 04 20 MD 6 Figure MD 6 NAPI189 Analog Audio PWB...
Страница 169: ...VERSION 2 0 2023 04 20 MD 7 Figure MD 7 NAPI187A System Interface PWB...
Страница 170: ...VERSION 2 0 2023 04 20 MD 8 Figure MD 8 NAPI188 01 Power Supply Interface PWB VX150 VX300 VX600...
Страница 171: ...VERSION 2 0 2023 04 20 MD 9 Figure MD 9 NAPI188 Power Supply Interface PWB VX1 VX1 5 VX2...
Страница 172: ...VERSION 2 0 2023 04 20 MD 10 Figure MD 10 NAPI193 Front Panel User Interface PWB...
Страница 173: ...VERSION 2 0 2023 04 20 MD 11 Figure MD 11 NAPA41 Pre Amp IPA PWB...
Страница 174: ...VERSION 2 0 2023 04 20 MD 12 Figure MD 12 NAPA40A Power Amplifier PWB...
Страница 175: ...VERSION 2 0 2023 04 20 MD 13 Figure MD 13 NAPF16A Low Pass Filter PWB...
Страница 176: ...VERSION 2 0 2023 04 20 MD 14 Figure MD 14 NAPP15A Directional Coupler Bottom PWB...
Страница 177: ...VERSION 2 0 2023 04 20 MD 15 Figure MD 15 NAPH15 2 Way Splitter PWB VX1 5 VX2...
Страница 178: ...VERSION 2 0 2023 04 20 MD 16 Figure MD 16 2 Way Combiner PWB Nautel Part PU03B VX1 5 VX2...
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