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Table Of Contents

Installation and Operator Handbook Equipment Description

AMX–MA–00652 Issue 0.02 (USA)

CONTENTS

Page

2 EQUIPMENT DESCRIPTION

2.1 I

NTRODUCTION

....................................................................................................................................................2

2.2 P

OWER

OURCE

PTIONS

.....................................................................................................................................2

2.2.1 AC Power Supply ........................................................................................................................................2

2.2.2 DC Power Supply........................................................................................................................................2

2.2.3 AC Powered with DC Revert.......................................................................................................................3

2.2.4 Reference Oscillator Backup Power ...........................................................................................................3

2.3 P

LUG

ODULES

..............................................................................................................................................4

2.3.1 Transceiver Module.....................................................................................................................................4

2.3.2 Controller Module.......................................................................................................................................6

2.3.3 Power Amplifier Module .............................................................................................................................8

2.3.4 Power Supply Module .................................................................................................................................9

2.3.5 Interface Module .......................................................................................................................................11

LIST OF FIGURES

IGURE

2-1 P

OWER

ISTRIBUTION OF AN

POWERED

DRB-25 ....................................................................................2

IGURE

2-2 P

OWER

ISTRIBUTION OF A

DC P

OWERED

DRB-25......................................................................................3

IGURE

2-3 T

RANSCEIVER

ODULE

RONT

ANEL

..........................................................................................................5

IGURE

2-4 C

ONTROLLER

ODULE

RONT

ANEL

...........................................................................................................7

IGURE

2-5 P

OWER

MPLIFIER

ODULE

RONT

ANEL

...................................................................................................9

IGURE

2-6 P

OWER

UPPLY

ODULE

RONT

ANEL

.....................................................................................................10

IGURE

2-7 I

NTERFACE

ODULE

RONT

ANEL

.............................................................................................................11

LIST OF TABLES

2-1 T

RANSCEIVER

ODULE

ONTROLS AND

NDICATORS

................................................................................................6

2-2 C

ONTROLLER

ODULE

ONTROLS AND

NDICATORS

.................................................................................................8

2-3 P

OWER

UPPLY

ODULE

ONTROLS AND

NDICATORS

............................................................................................11

2-4 I

NTERFACE

ODULE

XTERNAL

NTERFACES

..........................................................................................................12

Summary of content (12 pages)

PAGE 1
Installation and Operator Handbook Equipment Description CONTENTS 2 Page EQUIPMENT DESCRIPTION 2.1 INTRODUCTION ....................................................................................................................................................2 2.2 POWER SOURCE OPTIONS.....................................................................................................................................2 2.2.1 AC Power Supply ...............................................................
PAGE 2
Installation and Operator Handbook 2 2.1 Equipment Description EQUIPMENT DESCRIPTION INTRODUCTION DRB-25 equipment consists of modular hardware which is easily installed as a desktop cabinet, floor-mount cabinet or into standard 19 inch racks. The DRB-25 chassis and its component modules are described in the following paragraphs. 2.2 POWER SOURCE OPTIONS 2.2.1 AC Power Supply The DRB-25 may be powered from the 240 or 110 V AC power supply via one or two Power Supply Modules.
PAGE 3
Installation and Operator Handbook Equipment Description Figure 2-2 shows the power distribution of a DC powered DRB-25. Optional DC/DC Converter 12V DC Standby Power 12/24V DC Supply Power Amplifier 1 Transceiver Module 1 Fans System PSU Switch Controller & Interface Modules 7V 12 V Option for Second Channel Transceiver Module 2 Optional DC/DC Converter Power Amplifier 2 Figure 2-2 Power Distribution of a DC Powered DRB-25 2.2.
PAGE 4
Installation and Operator Handbook 2.3 Equipment Description PLUG-IN MODULES The DRB-25 has the following types of plug-in Modules: 2.3.1 • Transceiver Module. • Controller Module. • Power Amplifier Module. • Interface Module. • Power Supply Module. Transceiver Module The Transceiver Module (TM) provides full duplex radio operation for analog and digital modulation schemes. Each module consists of an RF card for receive and transmit and a daughter board for digital signal processing.
PAGE 5
Installation and Operator Handbook Equipment Description Figure 2-3 Transceiver Module Front Panel The Transceiver Module also provides interfaces to the internal backplane for audio, data and control. The Transceiver Module also provides an audio output interface for connection to a front panel speake when configured as a single channel system with optional front panel speake module. AMX–MA–00652 Issue 0.
PAGE 6
Installation and Operator Handbook Equipment Description Table 2-1 Transceiver Module Controls and Indicators ITEM 7-segment display Description In normal operation indicates the current channel being used by the Transceiver Module (in the range 0 to 511). If an error condition is detected in either the Transceiver or PA Module then the display indicates the relevant error code. An “E” is displayed with a number in the range “1” to “99” displayed to indicate the error condition. 2.3.
PAGE 7
Installation and Operator Handbook Equipment Description Figure 2-4 shows the front panel controls, indicators and connectors and Table 2-2 lists the control and indicator functions. Figure 2-4 Controller Module Front Panel There is a RESET switch, nine indicators and one RJ11 connector on the front panel of the Controller Module.
PAGE 8
Installation and Operator Handbook Equipment Description Table 2-2 Controller Module Controls and Indicators Item Description 7-segment display An oscillating pattern indicates normal operation of the module. If an error condition is detected in the Controller Module then the display indicates the relevant error code.. A flashing “E” is displayed with number in the range “1” to “99” is displayed to indicate the error condition. RESET Recessed pushbutton switch. Press to reset the Controller Module.
PAGE 9
Installation and Operator Handbook Equipment Description Figure 2-5 Power Amplifier Module Front Panel The Power Amplifier Module has two connectors. The N-type connector is the Power Amplifier output connector, and the D connector contains RF input, DC power, and serial communications lines. 2.3.
PAGE 10
Installation and Operator Handbook Equipment Description The inputs of both 240/110 V power supplies are fuse-protected and the outputs are over-current protected. They have dry contact (relay contacts) alarm outputs which close when the unit is operating correctly and open in the event of a malfunction. Figure 2-6 shows the Power Supply Module front panel indicators and Table 2-3 lists the indicator functions. Figure 2-6 AMX–MA–00652 Issue 0.
PAGE 11
Installation and Operator Handbook Table 2-3 Equipment Description Power Supply Module Controls and Indicators Item 2.3.5 Description ON/OFF Switch Controls application of AC supply to the Power Supply Module. Red neon indicator (part of switch) Illuminated when supply is present. 12 V (or 24 V) (Green LED) Illuminated when the DC supply is present.
PAGE 12
Installation and Operator Handbook Equipment Description Daughterboards are available to provide this connection as 4 wire plus E & M; or 2 wire loop start and 2 wire ground start. If no connection is required the daughterboard is not needed.