Rockwell ROA 117 2247*1 Specifikace

LBI-39149ericssonzericssonzMaintenance ManualEDACS COMPACTVERTICAL VOTERTABLE OF CONTENTSSYSTEM INSTALLATION AND SERVICE... LBI-39153DI

LBI-39149 VOTER EQUIPMENT10• +5/±±12 Vdc RPS - 350A1441P1 chassis and350A1441P3 (+5/±12 Vdc) Power Modules.• 24 Vdc RPS - 350A1441P2 chassis and350A14

VOTER EQUIPMENT LBI-39149115/12 Volt Power Supply5/12 Volt Power Supply24 Volt Power SupplyAnalog Voter ShelfAnalog Voter ShelfAnalog Voter ShelfDigit

LBI-39149 VOTER EQUIPMENT12Digital Voter ShelfThe Digital Voter Shelf, shown in Figure 7, furnisheshousing and electrical connections for the modules

VOTER EQUIPMENT LBI-3914913Analog Voter ShelfThe Analog Voter Shelf, shown in Figure 8, providescontinuous voting of satellite receivers and selects t

LBI-39149 VOTER EQUIPMENT14EDACS Interface PanelThe EDACS Interface Panel serves as a centralinterconnect point for all signals entering or leaving a

CONTROLS AND INDICATORS LBI-3914915CONTROLS AND INDICATORSDIGITAL VOTER SHELFSelectorThe Selector front panel indicators and controls aredescribed bel

LBI-39149 CONTROLS AND INDICATORS16Digital ReceiverThe Digital Receiver front panel indicators aredescribed below.NOTEThe numbers shown in parentheses

CONTROLS AND INDICATORS LBI-3914917Rockwell Modem Interface CardThe 9600 Baud Rockwell Modem Interface Card's frontpanel indicators are described

LBI-39149 CONTROLS AND INDICATORS18ANALOG VOTER SHELFThe Analog Voter Shelf houses up to six receivermodules, an audio module, and a Power Supply/Spea

CONTROLS AND INDICATORS LBI-3914919Audio ModuleThe audio module has a speaker Volume Control,Output Level Adjustment, and Output monitor jacks, but no

LBI-391492NOTICE!This manual covers Ericsson and General Electric products manufactured and sold by Ericsson Inc.NOTICE!Repairs to this equipment shou

LBI-39149 CONTROLS AND INDICATORS20GETC INDICATORSGETCs are used at the Simulcast Control Point andTransmit Sites, Main Site, and Auxiliary Receiver s

SYSTEM OPERATION LBI-3914921SYSTEM OPERATIONThe Compact Vertical Voter (CV2) system is an integralpart of an EDACS Simulcast or Voted radio system.Rec

LBI-39149 SYSTEM OPERATION22The Selector continues the digital voting process bysimultaneously notifying all the remaining Digital Receiversto begin t

SYSTEM OPERATION LBI-3914923their corresponding site receiver. In addition, each receiverappends its status message to include the site’s number ands

LBI-39149 SYSTEM OPERATION24Voted voice and data signals are routed to the ControlPoint Trunking Card for processing by the Simulcastequipment and dis

SYSTEM OPERATION LBI-3914925Digital Receiver #1Digital Receiver #nSelectorAnalog Votern1CEC/IMCReceiverRx GETCRx GETCReceiverFrom ControlChannel Monit

LBI-39149 SYSTEM OPERATION26The major components at the Satellite Site are shown inFigure 19. Control Channel and Working Channel RFsignals are fed f

SYSTEM OPERATION LBI-3914927Digital Receiver #1Digital Receiver #nSelectorAnalog Votern1CEC/IMCReceiverRx GETCRx GETCReceiverFrom ControlChannel Monit

LBI-39149 SYSTEM OPERATION28EDACS (NON-SIMULCAST) VOTERSYSTEMThe EDACS (non-Simulcast) system includes a maintransmit/receive site, a number of receiv

SYSTEM OPERATION LBI-3914929Digital Receiver #nDigital Receiver #2Digital Receiver #1SelectorRMRMRMAnalog Voter12nRMReceiverTransmitterMain Site GETCM

LBI-391493TABLE OF CONTENTSSection/Paragraph PageTABLE OF CONTENTS...

LBI-39149 SYSTEM OPERATION30If the stream of messages from the Voter ceases, theMain Site GETCs revert to a mode where they act uponlocally received m

SYSTEM OPERATION LBI-3914931Voted Digital Interconnect (Non-Simulcast)The Voted Digital Interconnect configuration allowsvoted sites to have access to

LBI-39149 SYSTEM OPERATION32Digital Receiver #nDigital Receiver #2Digital Receiver #1SelectorRMRMRMAnalog Voter12nRMReceiverTransmitterControl GETCMai

RELATED PUBLICATIONS LBI-3914933RELATED PUBLICATIONSThe following publications provide additionalinformation on equipment associated with the EDACSCom

LBI-39149Ericsson Inc.Private Radio SystemsMountain View RoadLynchburg, Virginia 245021-800-528-7711 (Outside USA, 804-528-7711) Printed in U.S.A.GLOS

LBI-391494LIST OF ILLUSTRATIONSFigure Title PageFigure 1 - Typical Voter System (non-Simulcast) ...

IMPORTANT SAFETY INFORMATION LBI-391495IMPORTANT SAFETYINFORMATIONThe following general safety precautions must beobserved during all phases of operat

LBI-39149 VOTER SPECIFICATIONS6VOTER SPECIFICATIONS(Refer to individual equipment manuals for complete specifications and LBI-39153 for rack-up config

INTRODUCTION LBI-391497INTRODUCTIONThis manual provides an overview of the EDACS(Enhanced Digital Access Communication System) CompactVertical Voter

LBI-39149 DESCRIPTION8SIMULCAST SYSTEMThe most common use of the Voter is as part of aSimulcast system. Simulcast is an EDACS system thatsimultaneous

VOTER EQUIPMENT LBI-391499VOTER EQUIPMENTThe equipment requirements for a CV2 system dependson the overall system configuration. There are a number o