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Airspan AS4000 User Manual

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605-0000-428 Airspan Communications Corporation
Issue 1.2 Date 5/11/98
AS4000
Wireless Local Loop System
Central Terminal
Level Control Unit
Operators Manual

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Airspan AS4000 Specifications

General IconGeneral
BrandAirspan
ModelAS4000
CategoryMicrophone system
LanguageEnglish

Summary

Safety Instructions - Warnings and Cautions

Hazardous Voltage Warnings

Caution with AC power, remove jewelry; avoid shorting DC circuits.

Electro-Static Discharge (ESD)

Protect sensitive circuits from static discharge using anti-static procedures.

Level Control Unit (LCU)

LCU Principles of Operation

Level Control Unit Hardware

LCU Data Entry and Menu Selection

LCU Shelf Selection Menu

LCU Link Information Menu

LCU Loop Menu

LCU Configuration Menus

LCU Error Information Menu

Displays error status for a given shelf, indicating occurred errors.

LCU Path Loss and Trim

LCU CT RX Trim

Allows user to override set point by raising or lowering CT receive power level.

LCU Version and Audit

LCU Shelf Audit

LCU performs shelf audit every 15 mins to ensure correct RW state and operational status.

Setting Up RX Sensitivity Using LCU

RX Sensitivity Setup Procedure

Steps to set RX sensitivity using Sitespan/Element Manager and LCU menus.