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Theory of Operation

6-2

DRS2000HS/DRS6000HS

User and Technical Manual

Figure 6-1: DRS2000HS/DRS6000HS Block Diagram

C

ontr

o

l M

oni

tor

Vi

deo

M

oni

tor

Power

Switch

AC/DC Power Supply

Power Distribution

MPEG Decoder

Diversity Receiver

Controller

Interface

POWER

(120/240 VAC,

50/60 Hz)

USB

ETHERNET

Fans

ALARM/SITE

MGMT

RS-232 CNTRL

WAYSIDE DATA

CV1

CV2

AUDIO 1

AUDIO 2

ASI OUT

Bias T

Bias T

Bias T

BDC 1

BDC 2

BDC 3

BDC 4

BDC 5

BDC 6

DRS6000HS Only

Control/Power

Video

Power

Control

Power

Power

Control

Video

ASI

UHF

UHF

UHF

Power

AC Power

Audio

Control/Power

Wayside Data

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Содержание DRS2000HS

Страница 1: ...User and Technical Manual DRS2000HS DRS6000HS Manual Part No 400555 1 Rev A March 2009 Digital Diversity Receiver...

Страница 2: ......

Страница 3: ...ndows and Internet Explorer are registered trademarks of Microsoft Corporation in the United States and or other countries Proprietary Material The information and design contained within this manual...

Страница 4: ...static Discharge Possible Damage to Equipment OR Fuse Identifies fuses or their location Frame or Chassis Ground Identifies the frame or chassis terminal Earth Ground Identifies the earth ground termi...

Страница 5: ...Overview 2 1 Controls Indicators and Connectors 2 1 Front Panel Controls Indicators and Connectors 2 3 Rear Panel Connectors 2 3 Preparing for Operation 2 4 Installation 2 4 Powering the Receiver 2 4...

Страница 6: ...r Requirements 4 4 Power Supply and Distribution 4 4 Grounding 4 5 Testing the Antennas 4 5 Installing Antennas and Block Downconverters 4 6 Cabling Practices 4 6 Selecting Coaxial Cables 4 7 Aligning...

Страница 7: ...ated on a label on the bottom of each unit Approximate purchase date Firmware revisions depending upon the options in your receiver which appear on the control panel To access this information Go to t...

Страница 8: ...the title of the manual Feedback 1 6 System Description The DRS2000HS DRS6000HS Digital Diversity Receiver Figure 1 1 is a high performance cost effective COFDM receiver suit able for public safety g...

Страница 9: ...combining MaxRC diversity technology Supports DVB T demodulation technology Front panel live video monitor Real time front panel monitoring for Signal to Noise SNR Link Quality signal integrity LQ Re...

Страница 10: ...RX Antennas BDC Support 2 3 4 5 6 or 7 GHz ASI Output To Backhaul or L2014 Analog Output Network Control Monitoring Output UHF Input 18 5 VDC Out Pole Mounted or Angle Bracket Mounted BDC Package Band...

Страница 11: ...age 2 1 for more information 1 10 Frequency Bands The receiver can operate in one of several factory set frequency bands 2 3 4 5 6 or 7 GHz The operating frequencies are dependent upon the frequency o...

Страница 12: ...GHz L3037 input filter for L3070 2 5 to 2 7 GHz L3060 input filter for L3070 3 4 to 3 6 GHz L3080 input filter for L3070 6 425 to 7 125 GHz 1 15 2 Antenna Options Contact MRC to select the proper ante...

Страница 13: ...can be 100 to 260 VAC at 50 to 60 Hz A standard 3 prong power cable is included The rear power connector includes a removable fuse holder with fuses 1 15 5 Decryption Options The receiver supports the...

Страница 14: ...Introduction 1 8 DRS2000HS DRS6000HS User and Technical Manual...

Страница 15: ...dware Configurations 2 10 Select IP Gateway and Netmask Addresses 2 10 Change Use Service Information Mode 2 12 2 2 Controls Indicators and Connectors Controls indicators and connectors contained on t...

Страница 16: ...contained I 0 POWER USB ETHERNET MONITOR BACK OK DRS6000HS DRS6000HS on the DRS2000HS Receiver ALARM SITE MGMT ASI OUT CV 1 CV 2 WAYSIDE DATA CNTRL MON 6 CNTRL MON 4 CNTRL MON 2 CNTRL MON 5 CNTRL MON...

Страница 17: ...outputs and audio outputs The rear panel provides numerous inputs to and outputs from the receiver These inputs and outputs are as follows BDC 1 thru BDC 6 Connectors The TNC block downconverter BDC c...

Страница 18: ...and the Control menu will display color bars a logo screen and finally the Control menu The settings displayed when the Control menu is displayed will be the settings in effect when the unit was last...

Страница 19: ...ce Encr Off COFDM Lock Vid Lock Setup Presets Options DRS6000HS Chan 1 0 17MHz Freq 1999 000 MHz RFBand 1 9 2 5GHz Mode DVB T Mod BW 8MHz FEC G I Video SD Audio Analog BitRt RCL dBM SNR dB Link Qual T...

Страница 20: ...s unlocked Vid Lock When green indicates video is locked when red indicates video is unlocked Signal Displays Areas These areas display real time indications of all antenna inputs as a set of animated...

Страница 21: ...ns The Control menu offers convenient access to the most frequently used settings Prior to acquiring an incoming video signal you can quickly set any or all of the following settings from the Control...

Страница 22: ...Select Freq and press OK Change Frequency menu is displayed Change frequency as required and press OK Control menu is displayed 2 7 3 Change Bandwidth The steps required to change the bandwidth are c...

Страница 23: ...igure 2 8 Change Video Decoder Control menu is displayed Select Video and press OK Change Decoder Mode menu is displayed Select SD PAL or SD NTSC as required and press OK Control menu is displayed 2 7...

Страница 24: ...s contained in your DRS2000HS DRS6000HS system are contained in Figure 2 10 Figure 2 10 Review Hardware Configurations Control menu is displayed Select Setup and press OK Setup Menu is displayed Selec...

Страница 25: ...eway and press OK Default Gateway Config menu is displayed Select Modify Default Gateway and press OK Modify gateway address as required and press OK Select Display IP Settings and press OK View IP Se...

Страница 26: ...ice within a multi service stream Figure 2 12 Change Use Service Information Mode Control menu is displayed Select Setup and press OK Setup Menu is displayed Select Audio Video Configuration and press...

Страница 27: ...ff OR View PIDs Read Only menu is displayed Review PID data as required and press OK Select Back until Control menu is displayed Manual PIDs Edit menu is displayed Select PCR PID and press OK Enter PI...

Страница 28: ...15 Enable Disable Color Bar Generator 2 8 7 Select RS 232 Data Output Mode The steps required to set the RS 232 data output to on or off are contained in Figure 2 16 Figure 2 16 Select RS 232 Data Ou...

Страница 29: ...figure Audio Video menu is displayed Select Enter Service Name and press OK Enter Service Name menu is displayed Enter service name and press OK Press Back and Control menu is displayed Figure 2 18 Se...

Страница 30: ...n menu is displayed Encryption Configuration menu is displayed Encryption Configuration menu is displayed Select Enter BISS 1 Key and press OK Change BISS 1 Key menu is displayed Enter BISS 1 key data...

Страница 31: ...dit Site Mgmt Name menu is displayed Enter new site name and press OK Site Mgmt Configuration menu is displayed Press Back until Control menu is displayed 2 8 12 Activate Site management The steps req...

Страница 32: ...ink option required and press OK Factory Setup Menu is displayed Select MRC LNB menu is displayed Select MRC option required and press OK Factory Setup Menu is displayed OR OR Select BDC Power and pre...

Страница 33: ...BDC Calibration menu is displayed Select the BDC to calibrated and press OK BDC X menu is displayed Select IF Loss and enter calculated value range is 0 to 40 1 dB and press OK BDC Calibration menu i...

Страница 34: ...ay observe EEPROM Successfully Initialized Press OK to continue message is displayed Press Back until the Control menu is displayed 2 8 17 Edit Create Custom Frequency Band The steps required to edit...

Страница 35: ...ed Press Back until Control menu is displayed Select Change Spacing Pwd and press OK Observe New Password screen is displayed reflecting the new password and press OK must be contained in the Load Pre...

Страница 36: ...and press OK Enter license code and press OK Confirm license code change menu is displayed Press Back until Control menu is displayed licensed option contained in your receiver requires an individual...

Страница 37: ...Monitor Page Typical 2 11 2 Using the Web Browser Interface Each link on the Monitor page opens a page that allows you to modify the corresponding settings For example the Channel link opens a page fo...

Страница 38: ...Routine Operation 2 24 DRS2000HS DRS6000HS User and Technical Manual Figure 2 32 Setup Page Typical...

Страница 39: ...each component a problem cause action table states one or more possible causes For each possible cause the table provides one or more suggested actions that you can use Perform the suggested actions u...

Страница 40: ...ed No power or insufficient power to receiver Fuses are blown Verify that all UHF cables are securely fastened to BDC connectors at rear of receiver Verify that all camera and transmitter cables are s...

Страница 41: ...receive signal level on receiver s RCL meter The transmitter is in Standby mode The wrong preset is selected A cable is loose or disconnected Contact the remote crew and verify that the transmitter is...

Страница 42: ...center No audio input Loose or disconnected audio cables Audio on transmitter turned off Check the audio source Verify with the remote crew that the audio cables are securely connected to the transmit...

Страница 43: ...nd that it is connected to the network Receiver IP address is incorrect From the control screen select Setup select IP and MAC Address Configuration and enter the correct IP address Receiver does not...

Страница 44: ...Troubleshooting 3 6 DRS2000HS DRS6000HS User and Technical Manual...

Страница 45: ...and Control Connectors 4 10 Data Connections 4 10 4 2 Unpacking Each system is shipped Unpacking assembled wired and factory tested Each unit is packaged in appropriate shipping containers Here are so...

Страница 46: ...nitial installation easier and to allow room for future access and servicing Equipment Rack The receiver mounts to the mounting rails of a standard EIA 19 inch 48 3 cm equipment rack Each unit occupie...

Страница 47: ...on the rear panel and connect the other end to the facility AC power source Ventilation CAUTION Temperatures inside a closed mounting area can be significantly higher than the ambient temperature Alwa...

Страница 48: ...ntervals along their entire lengths Protect cabling with added sheathing or padding anywhere cabling passes through a hole or lies against an obstruction Provide flex relief at any location where the...

Страница 49: ...ipment grounding follows applicable electrical codes CAUTION Never modify a grounded power plug to connect to an ungrounded receptacle 4 8 Testing the Antennas All antennas for your configuration are...

Страница 50: ...ctory Setup menu Make sure that the Number of Inputs and BCD Type are correctly set for your configuration 8 Set the transmitter to Low Power Transmit mode 9 Verify that the control screen on the rece...

Страница 51: ...application If you do not connect the antennas directly to the downconverters you will have to fabricate your own antenna mounting bracket Remember that the distance between each pair of antennas is...

Страница 52: ...a heavy duty band clamp The BCDs can be installed either on a horizontal or a vertical pole assembly MRC recommends attaching the downconverter directly to the antenna When you attach the antennas dir...

Страница 53: ...formance Always start at the minimum recommended distance the antennas should be adjusted in quarter wavelength increments as shown in Table 4 1 on page 4 7 4 10 Audio Connections The AUDIO 1 and AUDI...

Страница 54: ...ontrol the receiver Pinout information for this connector is shown in Table 4 3 Table 4 2 Pinouts for USB Connector Connector Information Pinout Name Signal Description 1 VCC 5 VDC 2 D Data 3 D Data 4...

Страница 55: ...on 1 SM1 COM 2 SM1 NO 3 SM2 COM 4 SM2 NO 5 SM3 COM 6 SM3 NO 7 SM4 COM 8 SM4 NO 9 ALM MNR COM 10 ALM MNR NO 11 ALM MJR COM 12 ALM MJR NO 13 not used 14 not used 15 not used 1 8 9 15 RS 232 CRNTL This c...

Страница 56: ...D 6 Not Used 7 Not Used 8 Not Used 9 Not Used 1 5 6 9 4 15 1 Checks Before Power Up CAUTION Be sure the power being supplied matches the power required by the equipment Here are your pre power up chec...

Страница 57: ...duct Modifications CAUTION If you modify a product without authorization from MRC you will void the warranty The product you purchased has been carefully designed and tested and is warranted to meet s...

Страница 58: ...Installation 4 14 DRS2000HS 6000HS User and Technical Manual...

Страница 59: ...ur MRC Sales Representative or consult the factory 5 3 Supported Repairs There are no supported field repairs to the DRS2000HS DRS6000HS receiver system Return the unit for factory repair If you attem...

Страница 60: ...Replacement Parts and 5 2 DRS2000HS DRS6000HS User and Technical Manual...

Страница 61: ...tem Architecture The DRS2000HS provides two channel input while the DRS6000HS provides up to six channel input Both receivers are COFDM diversity systems that can support DVB T COFDM signals Both rece...

Страница 62: ...Distribution MPEG Decoder Diversity Receiver Controller Interface POWER 120 240 VAC 50 60 Hz USB ETHERNET Fans ALARM SITE MGMT RS 232 CNTRL WAYSIDE DATA CV1 CV2 AUDIO 1 AUDIO 2 ASI OUT Bias T Bias T...

Страница 63: ...DC power 8 5 or 18 5 VDC for the BDCs is supplied via the BDC connectors on the same UHF cable that carries output from the BDCs 6 1 2 COFDM Diversity Demodulator The COFDM diversity demodulator conta...

Страница 64: ...r commands and relays them to the receiver s internal subsystems Replies to user commands and system status are output via an LCD screen on the front panel of the receiver and through a network interf...

Страница 65: ...help text 2 6 menu buttons region 2 6 regions 2 5 select a new Preset 2 9 select the color bar generator output type 2 9 Control screen live 2 5 Controls indicators and connectors 2 1 ALARM connector...

Страница 66: ...connectors 4 9 block downconverter 4 8 CV connectors 4 9 omnidirectional antennas 4 7 RS 232 CNTRL connector 4 11 selecting coaxial cables 4 7 USB and Ethernet connectors 4 10 WAYSIDE DATA connector 4...

Страница 67: ...17 change the channel spacing password 2 21 change the service information mode 2 12 edit or enter a new service name 2 15 edit create a custom frequency band 2 20 enable or disable the color bar gene...

Страница 68: ...Index 4 DRS2000HS DRS6000HS User and Technical Manual W WARNINGS Notices i Web browser interface common features 2 22...

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