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Section 4: Operation

4-11

Moseley SL9003Q

602-12016-01 Revision J

4.4.7 SYSTEM: UNIT-WIDE PARAMS

Function Settings Summary

Unit No

1-255

Defines Unit # for network ID

MAIN TITLE

TRANSMITTER
RECEIVER
TRANSCEIVER
T1
DTV Link
NXE1
DS3 TX
DS3 RX
DS3 XC
EXP RX
EXP TX

Determines main menu display and affects screen menu
selection of modules

Redundant

OFF
ON

Chooses redundant supply option

Содержание Starlink SL9003Q

Страница 1: ...Moseley SL9003Q 602 12016 01 Revision J User Manual Starlink SL9003Q Digital Studio Transmitter Link Doc 602 12016 01 Revision J Released December 2010 ...

Страница 2: ... of travel to and from the purchaser s installation and subsistence shall be paid by purchaser to Moseley Associates Inc 2 In case of any equipment thought to be defective the purchaser shall promptly notify Moseley Associates Inc in writing giving full particulars as to the defects Upon receipt of such notice Moseley Associates Inc will give instructions respecting the shipment of the equipment o...

Страница 3: ...1065 October 2003 5 602 12016 51 D DCO1065 October 2003 6 602 12016 61 D DCO1065 October 2003 7 602 12016 71 D DCO1065 October 2003 Appendix 602 12016 A1 D DCO1065 October 2003 Figure 5 7 D July 2004 2 4 5 602 12016 01 E May 2005 3 2 1 602 12016 01 F November 2005 4 4 1 602 12016 01 F November 2005 5 2 602 12016 01 F November 2005 G February 2006 Removed Composite and 4 Port MUX 602 12016 01 H Oct...

Страница 4: ...ators LCD screen displays and software functions Front panel controls indicators Screen Menu Structure menu tree navigation techniques Screen Summary Tables parameters detailed functions Section 5 Module Configuration Listings of jumpers settings and options useful for diagnosis and custom systems Module configuration Troubleshooting guide Section 6 Customer Service Information to obtain customer ...

Страница 5: ...s 2 7 2 6 1 Audio 2 7 2 6 2 Identifying Audio Connections 4 Channel Discrete 2 7 2 6 3 Data Channels on the 6 Port Mux Module 2 7 2 6 4 RF Module Parameters 2 7 2 6 5 QAM Modulator and Demodulator 2 8 2 7 Performance 2 8 2 7 1 Transmitter Performance Check 2 8 2 7 2 Receiver Performance Check 2 10 2 8 For More Detailed Information 2 10 3 Installation 3 1 3 1 Rear Panel Connections 3 1 3 1 1 Power ...

Страница 6: ...4 19 4 4 14 Radio RX Status 4 21 4 4 15 Radio TX Control 4 21 4 4 16 Radio RX Control 4 22 4 4 17 Radio Modem QAM Configure 4 22 4 4 18 Radio TX Configure 4 23 4 4 19 Radio RX Configure 4 24 4 4 20 Radio Modem TX RX Copy Function 4 24 4 5 Intelligent Multiplexer PC Interface Software 4 24 4 6 NMS CPU PC Interface Software 4 24 5 Module Configuration 5 1 5 1 Introduction 5 1 5 2 Audio Encoder Decod...

Страница 7: ...5 18 5 8 4 NMS External Output Characteristic 5 21 6 Customer Service 6 1 6 1 Introduction 6 1 6 2 Technical Consultation 6 1 6 3 Factory Service 6 1 6 4 Field Repair 6 2 7 System Description 7 1 7 1 Introduction 7 1 7 2 Transmitter 7 1 7 2 1 Audio Encoder 7 2 7 2 2 Intelligent Multiplexer 7 3 7 2 3 QAM Modulator IF Upconverter Daughter Card 7 3 7 2 4 Transmit Module Upconverter 7 4 7 2 5 Power Am...

Страница 8: ...F 2 F 3 3 TP64 Power Supply F 2 F 4 Equipment Interconnection F 2 F 4 1 Starlink SL9003Q Backup Operation F 2 F 4 2 Digital STL with Analog STL Backup using a TPT 2 F 7 F 4 3 Discrete Starlink with DSP6000 Backup using a TPT 2 F 9 F 5 Operation F 13 F 5 1 Hot Cold Standby Modes F 13 F 5 2 Panel Controls and Indicators F 13 F 5 3 Master Slave Operation LED Status F 14 F 6 Software Settings F 15 F 6...

Страница 9: ...rd External I O Pinout 5 17 Figure 5 14 Representative Internal Relay Wiring 5 18 Figure 5 15 NMS External RSL Voltage Curve Pin 10 5 21 Figure 7 1 SL9003Q Transmitter System Block Diagram 7 1 Figure 7 2 Audio Encoder Block Diagram 7 2 Figure 7 3 IF Upconverter Daughter Card Block Diagram 7 3 Figure 7 4 Transmit Module Upconverter Block Diagram 7 4 Figure 7 5 SL9003Q RF Power Amplifier Block Diagr...

Страница 10: ...Loss A 5 Table A 3 Transmission Line Loss A 5 Table A 4 Branching Losses A 6 Table A 5 Typical Received Signal Strength required for BER of 1x10E 4 A 6 Table A 6 Relationship Between System Reliability Outage Time A 8 Table A 7 Fade Margins Required for 99 99 Reliability Terrain Factor of 4 0 and Climate Factor of 0 5 A 8 Table F 1 TP128 TP64 Transmitter Master Slave Logic F 14 Table F 2 TP128 TP6...

Страница 11: ...upport additional program voice FSK async and sync data channels The high spectral efficiency of the SL9003Q is achieved by user selectable 16 32 64 or 128 QAM Powerful Reed Solomon error correction with interleaving coupled with 20 tap adaptive equalization provide unsurpassed error free signal robustness in hostile RF environments for which there is no comparable benefit in analog transmission 1...

Страница 12: ...tails RF Spectral Efficiency See Appendix Threshold Performance See Table 1 1 below for details Audio Frequency Response vs Sample Rate 32 kHz 0 5 Hz 15 kHz 3 dB bandwidth 0 2 dB flatness 44 1 kHz 0 5 Hz 20 kHz 3 dB bandwidth 0 2 dB flatness 48 kHz 0 5 Hz 22 5 kHz 3 dB bandwidth 0 2 dB flatness Audio Distortion 0 01 0 01 at 1 kHz compressed Audio Dynamic Range 92 dB Digital AES EBU IN OUT 83 dB An...

Страница 13: ...64 QAM 2 Channel Linear Audio 32 kHz Sample 1 data channel 1024 93 91 89 300 250 200 2 Channel Linear 48 kHz Sample 1 Data Channel or 44 1 with LAN 1536 91 5 89 5 87 5 450 375 300 4 Channel Linear 32 kHz Sample 2 Data Channels 2048 90 88 86 600 500 400 Measured using FCC 50 80 dB Digital Mask 1 3 3 Transmitter Specifications Frequency Range 160 240 MHz 330 512 MHz 800 960 MHz 1340 1520 MHz 1650 17...

Страница 14: ...Receiver power consumption 65 Watts Dimensions 17 W x 14 D x 5 2 H 3RU 43 2 cm x 35 6 cm x 13 2 cm Weight Net weight 25 5 lbs 11 6 kg Shipping weight 27 5 lbs 12 5 kg 1 3 5 Audio Encoder Specifications Sample Rate 32 44 1 48 kHz selectable built in rate converter Analog Audio Input XLR female electronically balanced 600 10k ohm selectable CMRR 60 dB Analog Audio Level 10 dBu to 18 dBu rear panel a...

Страница 15: ... 256 320 384 kHz selectable 1 3 7 Intelligent Multiplexer Specifications Capacity 6 local Ports Aggregate Rates Up to 2 048 Mbps Resolution 8000 bps 768 2048 kbps 4000 bps 384 768 kbps 2000 bps 192 384 kbps 1000 bps 96 192 kbps 500 bps 48 96 kbps 250 bps 24 48 kbps Clocks Internal Derived External Port Local Port Interfaces Choice of UDP Stream Ethernet Voice Low Speed Async Data RS 232 High Speed...

Страница 16: ...ergy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Any external data or audio connection to this equipment must use shielded cables FCC Part 7...

Страница 17: ... the shipping company immediately if anything appears damaged If any of the listed parts are missing call the distributor or Moseley immediately to resolve the problem 2 2 Notices CAUTION DO NOT OPERATE UNITS WITHOUT AN ANTENNA ATTENUATOR OR LOAD CONNECTED TO THE ANTENNA PORT DAMAGE MAY OCCUR TO THE TRANSMITTER DUE TO EXCESSIVE REFLECTED RF ENERGY ALWAYS ATTENUATE THE SIGNAL INTO THE RECEIVER ANTE...

Страница 18: ...oid cable interconnection length in excess of 1 meter in strong RF environments Do not allow the audio level to light the red clip LED on the front panel bar graph as this causes severe distortion digital audio overload We highly recommend installation of lightning protectors to prevent line surges from damaging expensive components 2 3 Rack Mount The SL9003Q is normally rack mounted in a standard...

Страница 19: ...2 Channel Linear Audio 1 data channel RS232 Digital STL TX RX Pair 4 Channel Linear Audio 2 data channels RS232 Digital STL TX RX Pair 2 Channel Linear Audio w LAN 1 UDP Stream data channel 544 kbps 6 Port Mux Repeater Full Duplex No Audio Channels No Data Channels Repeater Full Duplex Up to 4 Audio Channels Drop Only using Audio Decoder 1 data channel drop available ...

Страница 20: ...2 4 Section 2 Quick Start Moseley SL9003Q 602 12016 01 Revision J Figure 2 2 SL9003Q 2 or 4 Channel Digital STL Setup ...

Страница 21: ...SL9003Q Repeater Setup 2 5 Transmitter Power Up Setting The LCD screen RADIO TX CONTROL selects the power up state and controls the radiate function of the TX unit The unit powers up to the MAIN MENU Scroll Down to RADIO and press ENTER Configure the launch screen for CONTROL TX ...

Страница 22: ... is the case the red VSWR LED will light and the transmitter will cease radiating Additionally the transmitter will protect its RFA by folding back the ALC Automatic Level Control under a bad load VSWR condition ON Transmitter will remain in radiate at full power under all antenna port conditions not recommended OFF Transmitter in standby mode Press ESC to accept the setting If you change anything...

Страница 23: ...tereo ISO IEC 111172 3 Layer II Sample Rate n a 44 1 kHz Output Rate n a 256 384 kbps 2 6 2 Identifying Audio Connections 4 Channel Discrete In a 4 Channel system there are two physically identical encoders in the transmitter unit and two corresponding decoder modules in the receiver unit see Figure 2 2 The modules are identified with an ID number on the rear panel ENC1 ENC2 DEC1 DEC2 You can chec...

Страница 24: ...6 32 64 128 QAM depends on channel configuration IF Frequency 70 MHz 2 7 Performance After the link is installed certain performance parameters can be interrogated through the front panel for verification Section 4 Operation contains an LCD Menu Flow Diagram and other useful information to assist in navigating to the appropriate screen 2 7 1 Transmitter Performance Check Use the RADIO TX STATUS sc...

Страница 25: ...Section 2 Quick Start 2 9 Moseley SL9003Q 602 12016 01 Revision J Figure 2 4 Radio TX Status Performance Check ...

Страница 26: ...Be sure to check the Test Data Sheet for the actual factory readings for your particular unit Figure 2 5 RX Modem Status Performance Check 2 8 For More Detailed Information This Quick Start section is intended for the experienced user to get the studio transmitter link up and running Less experienced users should read the entire manual prior to installation If problems still exist for your applica...

Страница 27: ... power supply option is installed The SL9003Q TX uses these slots to separate the PA supply lines for the HPA option NOTE The front panel LCD screen displays the system supply voltages and the nomenclature follows the physical location of the power supply modules 3 1 2 AC Power Supply The SL9003Q TX and RX both use a high reliability universal input switching power supply The power supply module c...

Страница 28: ... is available for the SL9003Q TX and RX using a high reliability DC DC converter capable of operation from an input range from 20 72 VDC The power supply contains two DC DC converters the first regulates to 12V the second supplies 5V An additional regulator supplies 10V for the PA TX The DC input is isolated from chassis ground and can be operated in a positive or negative ground configuration The...

Страница 29: ...perform back to back tests of the entire system while you have both the Transmitter and Receiver at the same location Digital STL s have different parameters for system checks than analog STL s Back to back bench testing is a good way to become familiar with the SL9003Q system You will gain greater confidence in the configuration and likely save a few trips to the transmitter if the actual interco...

Страница 30: ...03Q Discrete Audio Bench Test Setup 3 2 1 RF Bench Test Test Equipment RF Wattmeter 950 MHz operation with a measurement range of 1 5 Watts RF Power Attenuator 50 ohm 5 watt dummy load for 950 MHz operation with 20 to 30 dB of attenuation Variable Step Attenuator 0 100 dB at 950 MHz ...

Страница 31: ...there is no lock yet at the demod 3 Apply AC power to the SL9003Q transmitter On the Transmit Module rear panel the TX LOCK LED will light up red and change to green indicating PLL lock of the up converter On the QAM Mod module rear panel the MOD LED will flash red and then change to green indicating lock of the QAM modulator 4 The output power on the wattmeter should measure between 0 9 and 1 1 W...

Страница 32: ... Verify that the RSL Received Signal Level is reading within 2 dB of the calculated value for your setup 60 dBm typical 8 Press ESC until you arrive at the Main Menu Follow the screen navigation below to get to the QAM MODEM STATUS Post BER screen on the front panel LCD ...

Страница 33: ...e in order to accumulate enough bits for an accurate measurement 11 The RSL reading for both 2 channel and 4 channel should be approximately 89 dBm 2 dBm 12 Set the variable attenuator for a reading of 60 dBm on the display 13 Reset the bit counter press ENTER and verify error free operation 14 Proceed to the Audio Bench Test for further performance verification 3 2 2 Discrete Audio and Data Chann...

Страница 34: ...level of 10dBm to the left CH 1 channel 7 The front panel bar graph of the transmitter and the receiver should register a 0 dB reading for Channel 1 8 Measure the audio frequency response 32 kHz sample rate 5 Hz 15 kHz 0 2 dB 44 1 kHz sample rate 5 Hz 20 kHz 0 2 dB 48 kHz sample rate 5 Hz 22 5 kHz 0 2 dB 9 Signal to Noise Measure the 1 kHz level and set a reference for an SNR measurement 10 Discon...

Страница 35: ...y that the audio connections are compatible with the equipment to be connected Also locate the information provided by the path analysis which should have been done prior to ordering the equipment At the installation site particular care should be taken in locating the SL9003Q in an area where it is protected from the weather and as close to the antenna as possible Locate the power source and veri...

Страница 36: ...3 10 Section 3 Installation Moseley SL9003Q 602 12016 01 Revision J Figure 3 4 Receiver Site Installation Details ...

Страница 37: ...age marking on the rear panel Verify that the power system used at the installation site provides a proper earth ground The DC option for the SL9003Q has isolated inputs by default You may hard wire a negative chassis ground inside the module if desired An uninterruptible power supply backup UPS system is recommended for remote locations that may have an unreliable power source Lightning protectio...

Страница 38: ... to perform a site survey and path analysis 3 4 2 Transmission Line Run the transmission line in way that will protect it from damage Note that heliax transmission line requires special handling to keep it in good condition It should be unreeled and laid out before running it between locations It cannot be pulled off the reel the same way as electrical wire Protect the line where it must run aroun...

Страница 39: ...nnector by hand until it is tight Connect the appropriate audio and data cables to the ports on the rear panel After running the transmission line and fastening it in place Connect the antenna end of the transmission line to the antenna feed line using a short coaxial jumper and a double female barrel adapter Connect the radio end of the transmission line to a wattmeter with appropriate frequency ...

Страница 40: ...If the antennas are not aligned accurately the system may not operate An approximate alignment is achieved through careful physical aiming of the antennas toward each other The receiver should indicate enough signal to operate when this is achieved Once an approximate alignment is achieved align the antennas accurately by accessing the QAM RADIO MODEM STATUS BER POST screen and observe the RSL in ...

Страница 41: ...nsmitter receiver or repeater They are described in Section 4 2 3 Figure 4 1 SL9003Q Front Panel 4 2 1 LCD Display The SL9003Q front panel LCD Liquid Crystal Display is the primary user interface and provides status control configuration and calibration functionality Menu navigation and screens are described in this section Contrast Adjustment The contrast adjustment is front panel accessible to t...

Страница 42: ... Table 4 3 Full Duplex Systems Table 4 1 LED Status Indicator Functions Transmitter LED Name Function FAULT Fault RED indicates a parameter is out of tolerance and is crucial to proper system operation If the fault corrects itself the event will be logged and the LED will turn off See the Fault Log Page in the screen menu for a list of events ALARM Alarm YELLOW indicates a parameter is out of tole...

Страница 43: ...meter is out of tolerance but is NOT crucial for proper system operation cautionary only If the alarm corrects itself the event will be logged and the LED will turn off See the Alarm Log Page in the screen menu for a list of events ATTEN Attenuator RED indicates the front end attenuator is enabled NMS NMS CPU GREEN indicates the CPU is functional SIGNAL Received Signal GREEN indicates the received...

Страница 44: ... indicates the receiver is enabled the synthesizer is phase locked and a signal is being received RXD RXD Receive Data GREEN indicates valid data is being received TXD TXD Transmit Data GREEN indicates the modem clock is phase locked and data is being sent TX TX Transmitter GREEN indicates the transmitter is radiating and the RF output forward power is above the factory set threshold 4 3 Screen Me...

Страница 45: ... since the last save WILL BE SAVED to power on memory NOTE Most settings in the Configuration Screens will cause that setting to change immediately HOWEVER if you choose NO above a power reset will bring the unit back to the previous settings 4 3 3 Screen Menu Structure Figure 4 4 shows the top level structure of the menu system Go to the indicated section for the selected LCD Screen Menu In gener...

Страница 46: ...ock out features of the software may not be fully implemented and changing a setting will most likely render the system non operational 4 4 Screen Menu Summaries The following tables and text provide a screen view for that topic as well as the functions and settings of that screen A summary of each function and the user manual location for additional information is also provided 4 4 1 Meter Functi...

Страница 47: ...reen shows a list of all installed cards in the unit The base address B Addr is listed for diagnostic purposes only 4 4 3 System Power Supply Function Settings Summary Primary AC DC Indicates type of supply Universal AC input DC Option DIGITAL 5 20 V nominal Voltage level of the main 5 volt supply ANALOG 12 00 V nominal Voltage level of the main 12 volt supply 12V is regulated to 10V for Power Amp...

Страница 48: ...Chnl Cd CHC 1 2 Channel Card installed and identified NOTE These are factory settings of installed cards used to control appropriate displays in the CARD VIEW screens 4 4 6 Factory Calibration The Factory Calibration Screens are documented below You may refer to this diagram when instructed to do so by Moseley customer service technicians Although you can access the factory calibration menus for f...

Страница 49: ...Section 4 Operation 4 9 Moseley SL9003Q 602 12016 01 Revision J Figure 4 5 Factory Calibration Radio TX Screens Figure 4 6 Factory Calibration Radio RX Screens ...

Страница 50: ...4 10 Section 4 Operation Moseley SL9003Q 602 12016 01 Revision J Figure 4 7 Factory Calibration QAM Modem Screens Figure 4 8 Factory Calibration System Screens ...

Страница 51: ...RAMS Function Settings Summary Unit No 1 255 Defines Unit for network ID MAIN TITLE TRANSMITTER RECEIVER TRANSCEIVER T1 DTV Link NXE1 DS3 TX DS3 RX DS3 XC EXP RX EXP TX Determines main menu display and affects screen menu selection of modules Redundant OFF ON Chooses redundant supply option ...

Страница 52: ...EXP Option setting First Stage xxx to xxx Option setting Mapping 0 3 External I O Option setting High Speed Yes No High Speed Modem Option Lo Hi Change Yes No Locks out user from changing the Low High side LO setting 4 4 8 System Date Time Function Settings Summary Day Month Year 01 31 01 12 00 99 Sets the system date used for NMS and Fault Alarm logging After selection press ENTER to save Hour Mi...

Страница 53: ...nector Ext Status Readings 1 OFF 2 OFF 3 OFF 4 OFF Monitors digital inputs 1 2 3 and 4 logic levels on pins 18 17 16 and 15 respectively of Ext I O high density connector Ext Relays RELAY CONTROLS MAP FAULTS RELAYS Map to Relays OFF ON Relay Controls Manually force relay contacts closures for external relays 1 2 3 and 4 Map Faults Relays Maps fault logic to contact closures for ext relays 1 4 on p...

Страница 54: ...ents are logged with the date and time Alarm screen reset After viewing the screen press ENTER to clear all logs entries If the alarm has been corrected no new logs will be generated 4 4 11 2 FAULTS Module Parameter Nominal Trip Value LED Status QAM RF TX Forward Power 1 0 Watt 0 5 Watt RADIATE AFC Lock Lock Unlock AFC LOCK PA Temp 40 deg C 80 deg C QAM RF RX AFC Lock Lock Unlock AFC LOCK QAM MODE...

Страница 55: ... functional groupings 4 4 12 1 QAM Modulator Status Transmitter Function Settings Summary BAUD LOCK default UNLOCK Indicates modulator PLL is locked to incoming data clock IFMOD 100 NOM Modulator level SYNTH LOCK default UNLOCK Confirms 70 MHz IF synthesizer is phase locked AFC 1 8 VDC nominal 70 MHz IF synthesizer AFC voltage IFOUT 100 nominal IF output level Mode 16Q nominal 32Q 64Q 128Q 256Q QP...

Страница 56: ...errors Errors divided by the total number of error free received bits Bits from the time the counters were last reset by pressing ENTER The Post BER provides the error ratio after error correction has been applied This is the operational error performance of the radio An error displayed here is one that the audience may see or hear Perceptually a listener will not detect single error occurrences a...

Страница 57: ...60 min hour For example 1 46E 10 errs bit 2 048E 06 bps 60 secs min 60 min hour 1 08 errors hour 4 4 12 3 QAM Demodulator Status Receiver Screens Continued Function Settings Summary SLOSS x xxxE xx Signal Loss ES x xxxE xx Error Seconds SES x xxxE xx Severely Errored Seconds UNAS x xxxE xx Unavailable Seconds Used for Evaluating and troubleshooting errors over time Press ENTER to clear the screen ...

Страница 58: ...s phase locked AFC 1 8 VDC nominal 70 MHz IF synthesizer AFC voltage IFOUT 100 NOM Modulator level Mode 16Q nominal 32Q 64Q 128Q 256Q QPSK Modulation mode BAUD xxx x K Symbol rate DRT xxxx K Data rate ENC DVB Encoding mode SPCTR NRML Spectrum Normal or Invert FLTR xx Nyquist filter INTRL x Interleave Depth 4 4 12 4 Radio Modem Status Common Screens ...

Страница 59: ...mal Inverted External TX Clock External RX Clock Recovered Clock Internal Clock Normal Inverted TX Clock Out Clk Phase Normal Inverted Normal Inverted RX Clock DATA Source RPT CLK Source RPT Clk Phase Normal Inverted FVers x xx Firmware Version Xvers xx IC firmware Version 4 4 13 Radio TX Status Function Settings Summary Freq A 948 0000 MHz Displays the transmitter output carrier frequency XMTR TR...

Страница 60: ...sitive to channel linearity When shipped from the factory the system is operating at its maximum transmit efficiency The transmitter power amplifier consumes the most current so is operated close to its peak output power 10 Watts 40 dBm for highest efficiency This provides an averaged output power 1 25 Watts 31 dBm and acceptable intermodulation distortion IMD for the receiver to effectively equal...

Страница 61: ...el signal strength Nominal level dependent upon customer path system gain ATTEN AUTO default ON OFF Receiver PIN attenuator setting Controlled by internal software Forced ON Forced Off SYNTH LOCK nominal UNLOCK Indicates phase lock of the 1st LO AFC 2 4 VDC nominal 1st LO PLL AFC Voltage LO 100 nominal 1st LO relative power level 4 4 15 Radio TX Control Function Settings Summary TX Radiate AUTO de...

Страница 62: ...ic 16Q 4 32Q 5 64Q 6 128Q 7 256Q 8 QPSK 2 Select Modulation mode DATA RATE N x 64 kbps 2048 Valid range depends on configuration INTERLEAVE 1 204 2 102 3 68 default 4 51 6 34 12 17 17 12 34 6 51 4 68 3 102 2 204 1 Interleave depth 1 to 204 valid for full duplex modem only valid for full duplex modem only valid for full duplex modem only valid for full duplex modem only valid for full duplex modem ...

Страница 63: ...er settings Trunk connector DTE presets Trunk connector DCE presets The following screens are only available for custom trunk settings TX Clock Clk Source EXT TXC EXT RXC RECOVERED INTERNAL Clk Phase Normal Inverted External TX Clock External RX Clock Recovered Clock Internal Clock Normal Inverted TX Clock Out Clk Phase Normal Inverted Normal Inverted RX Clock Clk Source EXT TXC EXT RXC RECOVERED ...

Страница 64: ... 1 This images the factory setup and allows you to do a complete restore to original shipped configuration Please contact Customer Service for details 4 5 Intelligent Multiplexer PC Interface Software The Intelligent Multiplexer is configured with Windows based PC software The hardware is accessed through the parallel port on the MUX back panel A separate manual is available for operational detail...

Страница 65: ...el Changing these settings may render the system unusable Proceed with caution 5 2 Audio Encoder Decoder The Audio Encoder accepts digital or analog audio A D conversion is performed for the analog inputs The stereo digital audio is encoded for linear or MPEG operation The resulting data stream is applied to the QAM modulator or MUX An auxiliary data channel is available Figure 5 1 Audio Encoder F...

Страница 66: ...nel Switch and jumper settings for the Audio Encoder and Audio Decoder are shown in Figures 5 3 and 5 4 respectively The following sections describe the groupings of switches CAUTION Avoid excessive pressure on the audio adjustment potentiometers located on the back panels of the Audio Encoder Decoder modules ...

Страница 67: ...2 E5 E2 E5 Analog Input Impedance 600 600 Ohms HI Z 10K Ohms default Jumpers E3 E6 E3 E6 dB Gain Nominal Input Level 0 0 default 10 dBu default 6 6 4 dBu 20 20 10 dBu 40 40 30 dBu 5 2 2 Encoder MPEG ENCODER A SWITCHES A7 A6 ISO MPEG Input Rate OFF OFF 44 1 kHz OFF ON 48 0 kHz default ON OFF 32 0 kHz ON ON RESERVED A0 A1 A2 A3 A4 A5 These switches should always be OFF reserved ...

Страница 68: ...OFF 0 OFF 0 OFF 0 ON 1 32 kb s OFF 0 OFF 0 ON 1 OFF 0 48 kb s OFF 0 OFF 0 ON 1 ON 1 56 kb s OFF 0 ON 1 OFF 0 OFF 0 64 kb s OFF 0 ON 1 OFF 0 ON 1 80 kb s OFF 0 ON 1 ON 1 OFF 0 96 kb s OFF 0 ON 1 ON 1 ON 1 112 kb s ON 1 OFF 0 OFF 0 OFF 0 128 kb s ON 1 OFF 0 OFF 0 ON 1 160 kb s ON 1 OFF 0 ON 1 OFF 0 192 kb s ON 1 OFF 0 ON 1 ON 1 224 kb s ON 1 ON 1 OFF 0 OFF 0 256 kb s DEFAULT ON 1 ON 1 OFF 0 ON 1 320...

Страница 69: ... OFF OFF OFF 0 0 OFF ON OFF OFF OFF OFF OFF OFF 2 8 OFF OFF ON OFF OFF OFF OFF OFF 3 16 OFF OFF OFF ON OFF OFF OFF OFF 4 32 OFF OFF OFF OFF OFF ON OFF OFF 6 128 OFF OFF OFF OFF OFF OFF ON OFF 7 256 5 2 7 Encoder S23 SYSTEM CONFIG R1 R2 These switches select the Sample Rate Converter Data Source R1 R2 Sample Rate Converter Data Source OFF OFF AES EBU SPDIF default OFF ON A D Converter ON OFF Zeros ...

Страница 70: ... selects the AES EBU SPDIF Mode OFF AES Master A D Secondary default ON No Input Switching M1 M2 Source M4 M5 M6 These switches select the VCO Clock Source M4 M5 M6 VCO Clock Source Bus Clock OFF OFF OFF Input Mode M1 M2 Ignore OFF OFF ON Internal Oscillator Ignore OFF ON OFF Trunk Compressed Ignore OFF ON ON Trunk Linear Ignore ON OFF OFF Reserved Input ON OFF ON Reserved Input ON ON OFF MUX Comp...

Страница 71: ...UMPERS E3 E4 E7 E8 Analog Output Impedance LO 5 Ohms default 600 600 Ohms 5 2 11 Decoder ISO MPEG RATE M1 M2 M3 M4 ISO MPEG Rate OFF 0 OFF 0 OFF 0 OFF 0 Reserved OFF 0 OFF 0 OFF 0 ON 1 32 kb s OFF 0 OFF 0 ON 1 OFF 0 48 kb s OFF 0 OFF 0 ON 1 ON 1 56 kb s OFF 0 ON 1 OFF 0 OFF 0 64 kb s OFF 0 ON 1 OFF 0 ON 1 80 kb s OFF 0 ON 1 ON 1 OFF 0 96 kb s OFF 0 ON 1 ON 1 ON 1 112 kb s ON 1 OFF 0 OFF 0 OFF 0 12...

Страница 72: ... following options D3 D4 D5 AUX DATA RATE OFF OFF OFF 300 OFF OFF ON 600 OFF ON OFF 1200 DEFAULT OFF ON ON 2400 ON OFF OFF 4800 ON OFF ON 9600 ON ON OFF 19200 ON ON ON 38400 The 9600 19200 and 38400 selections must use CTS Line D6 This switch is reserved D7 This switch selects the test mode OFF Disabled default ON Enabled D8 This switch selects the debug mode OFF Normal default ON Enabled 5 2 13 D...

Страница 73: ...ts LEDs and Metering OFF Disabled FP Select default ON Enabled Forced On R8 This switch selects Debug B Bus options OFF Disabled default ON Enabled 5 2 15 Decoder S32 SYSTEM CONFIG M1 M2 These switches select the Input Rate M1 M2 Input Rate A D AES EBU SPDIF SRC OFF OFF 44 1 kHz Internal Oscillator OFF ON 48 0 kHz Internal Oscillator ON OFF 32 0 kHz Internal Oscillator Default ON ON Linear Rate M7...

Страница 74: ...DATA disabled default ON X RXDATA enabled X OFF RXCLK disabled default X ON RXCLK enabled 5 2 17 Decoder S81 AES EBU S81 A S81 B S81 C S81 D S81 E Selection OFF OFF OFF OFF ON AES EBU default ON ON OFF OFF OFF SPDIF 5 2 18 AES EBU and SPDIF Switch S81 configures the digital audio input Encoder or output Decoder for the AES EBU professional standard 3 wire XLR balanced or SPDIF consumer standard 2 ...

Страница 75: ... You may set the unit for up to 40 dB of additional gain if the external equipment has a low output level Decoder Analog Out Card Jumpers E3 E4 and E7 E8 set the left and right channel output impedance LO Z is the default You may set it to 600 ohm for external equipment compatibility 5 2 20 Data Channel Rate Switch S21 sets the data channel parameters for the card Figure 5 9 defines the serial dat...

Страница 76: ...ons are factory set and configuration settings are controlled remotely by software via the front panel or serial port Figure 5 10 QAM Modem Front Panel 5 4 IF Card Upconverter Downconverter There are no user adjustments on this card All calibrations are factory set and configuration settings are controlled remotely by software via the front panel or serial port ...

Страница 77: ...ents on this card All calibrations are factory set and configuration settings are controlled remotely by software via the front panel or serial port 5 5 1 Changing Frequency TX The carrier frequency of the transmitter can be changed via the front panel within a 20 MHz range without internal adjustment or realignment 1 Power up the unit and navigate the LCD screens as follows and press ENTER ...

Страница 78: ...ions of the SL9003Q required an internal adjustment on the Transmit Module to center the AFC voltage These units can be identified as follows Changing the frequency by 5 MHz will cause the TX AFC to loose lock With these units the Transmit Module was placed on an extender card to access the TX AFC adjustment Depending on the direction that the frequency was moved the voltage might read either 0 00...

Страница 79: ...nt Depending on the direction that the frequency was moved the voltage might read either 0 00 or 9 99 VDC While monitoring this voltage you would adjust the RX AFC on the Receive Module using a very small flat blade screwdriver until the voltage read 4 5 25 VDC 5 5 3 Measuring Carrier Frequency TX Typically it will not be necessary to measure the transmit carrier frequency Starlink transmit carrie...

Страница 80: ...and monitoring via the 26 pin high density connector on the NMS card Starting with Firmware Version 3 03 the telemetry and faults can be mapped to specific I O pins This NMS provides remote metering for Transmitter forward and reflected power Receiver signal level and BER and logic outputs for Transmitter control standby and transmitter fault Receiver signal less than 100dB receiver fault and High...

Страница 81: ...ut Logic 2 5 Relay 2 18 Input Logic 1 6 Relay 2 19 Ground Analog 7 Relay 1 20 Ground Analog 8 Relay 1 21 Ground Analog 9 Not connected 22 Ground Analog 10 Monitor Out Rx RSL 0 5 Vdc Tx Fwd Pwr 0 5 Vdc 23 Ground Analog 11 Input Analog 4 24 Ground Digital 12 Input Analog 3 25 12 Vdc Digital Supply 13 Input Analog 2 26 5 Vdc Digital Supply Figure 5 13 NMS Card External I O Pinout 5 8 2 Relay Electric...

Страница 82: ... 3 Relay Mapping Configuration 5 8 3 1 Mapping Set 1 and Map Faults Relays Set ON The analog output is selected by connecting pins 17 and 18 to ground pins 19 23 in the order shown below Analog Output Ext I O pin 10 Digital Input external I O connector 18 17 OUTPUT Open Open BER Ground Open RSL Open Ground FWD PWR Ground Ground REV PWR To set the mapping complete the following steps refer to secti...

Страница 83: ...ve settings 11 Press the ENTER button In a Receiver Relay 2 pins 5 and 6 Any Fault or Alarm or Equipment Power Off Relay 2 Off Set Open No Faults or Alarms and Equipment Power On Relay 2 On Set Closed Relay 3 pins 3 and 4 Receive RSL 100dBm or Equipment Power Off Relay 3 Off Set Open Receive RSL 100dBm and Equipment Power On Relay 3 On Set Closed Relay 4 pins 1 and 2 Pre BER 1E 4 or Equipment Powe...

Страница 84: ...ays remain the same as for Mapping 1 but analog output is manually selected by performing the following steps 1 On the SL9003Q Tx Main Menu use Up or Down arrow to select System 2 Press the ENTER button 3 Scroll down to External I O 4 Press the ENTER button 5 Scroll down four times 6 Use left or right arrow to set analog output see table in Mapping 1 7 Press the ENTER button 8 Press the ESC button...

Страница 85: ...d Lock and Equipment Power On Relay 4 On Set Closed 5 8 4 NMS External Output Characteristic The NMS monitor output Ext I O pin 10 can be set for Received Signal Level receiver and Forward Power transmitter as described above see Section 4 4 10 for corresponding menu screens Figure 5 15 shows the representative output characteristic for the receiver RSL Received Signal Level dBm Vout Vdc Starlink ...

Страница 86: ...5 22 Section 5 Module Configuration Moseley SL9003Q 602 12016 01 Revision J ...

Страница 87: ...day through Friday During these hours a technical service representative who knows your product should be available If the representative for your product is busy your call will be returned as soon as possible Leave your name station call letters if applicable type of equipment and telephone number s where you can be reached in the next few hours Please understand that in trying to keep our servic...

Страница 88: ...r equipment not covered by Warranty or a Service Agreement 6 4 Field Repair Some Moseley Associates equipment will have stickers covering certain potentiometers varicaps screws and so forth Please contact Moseley Associates technical service department before breaking these stickers Breaking a tamperproof sticker may void your warranty When working with Moseley s electronic circuits work on a grou...

Страница 89: ...the solder from the component leads and the printed circuit pads Solder wicking braid or a vacuum de solderer is useful for this Gently loosen the component leads and extract the component from the board Form the leads of the replacement component to fit easily into the circuit board pattern Solder each lead of the component to the bottom side of the board using a good brand of rosin core solder W...

Страница 90: ...6 4 Section 6 Customer Service Moseley SL9003Q 602 12016 01 Revision J ...

Страница 91: ...ion follows the typical end to end progression of a radio system starting with the TX baseband inputs to the QAM modulator followed by the up conversion process and the power amplifier We then proceed to the RX preamplifier input the down conversion process followed by the QAM demodulator and baseband outputs 7 2 Transmitter Figure 7 1 SL9003Q Transmitter System Block Diagram The SL9003Q TX is a m...

Страница 92: ...n at the rear panel DATA port 7 2 1 Audio Encoder COMPRESSED LINEAR FIFOs COMPRESSED LINEAR FIFOs 24576 OSCs 33868 8 SPDIF AES EBU R L AUDIO MUX TC INPUT Internal TL 16 1024 1024 1536 32 384 XTAL 13107 2 PLL DDS DDS X2 ENCODER SOURCE S81 CLOCK MUX 16384 CLIP GEN CLIPLEDs R6 R L I_M2 I_M5 I_M3 I_M4 M7 M8 M4 M5 M6 M1 M2 M3 1024 1536 ZEROES R1 R2 M3 DATA CLOCK Analog Input Daughtercard FRAME SYNC LIN...

Страница 93: ...hannel are subsequently coded into a single data stream In a 2 channel system this data stream is sent to the QAM Modulator module directly 7 2 2 Intelligent Multiplexer The MUX is documented in a separate user manual Typical broadcast applications are described here 6 Port Mux For discrete STL systems the 6 port mux with Ethernet option card is primarily used to interface and multiplex an Etherne...

Страница 94: ...LL Synth Lock Synth Level Data Clk Enbl Ref RFA Rev Pw r Level Synth Clk Figure 7 4 Transmit Module Upconverter Block Diagram The RF output carrier of the IF Upconverter is fed to the Upconverter via an external rear panel semi rigid SMA cable This module performs the necessary conversion to the carrier frequency There is an on board CPU for independent control of the critical RF parameters of the...

Страница 95: ...an amplitude modulation based system Forward and reverse reflected power are detected and sampled to provide metering and ALC feedback 7 3 Receiver The SL9003Q RX is a modular digital radio receiver system that operates in multiple RF bands 160 240 330 512 800 960 1340 1520 and 1650 1700 MHz and provides simplex data transmission up to 2 048 Mbps increments in 8 kbps steps The block diagram in Fig...

Страница 96: ...supply levels and status are monitored and the NMS CPU card processes the data The NMS CPU card incorporates microprocessor and FPGA logic to configure and monitor the overall operation of the system via front panel controls LCD screen menus status LEDs and the bar graph display Module settings are loaded into the installed cards Power up default settings are stored in non volatile memory LCD menu...

Страница 97: ...tional down conversion from the RF carrier to the 70 MHz IF Considerations are given to image rejection intermodulation performance dynamic range agility and survivability A separate AGC loop was assigned to the RF front end to prevent intermodulation and saturation problems associated with reception of high level undesirable interfering RF signals resulting from RF bandwidth that is much wider th...

Страница 98: ...ectivity is achieved through the use of a 70 MHz SAW filter The QAM Demod receives and demodulates the 6 4 MHz carrier The demodulation process includes the FEC implementation and de interleaving that matches the QAM modulator in the transmitter and the critical data assisted recovery of the clock This process requires an ultra stable master clock provided by an OCXO oven controlled crystal oscill...

Страница 99: ... This data compressed or linear is fed to the FIFOs First In First Out buffers The data is then passed through the FIFOs to an initial data multiplexer Sine wave and zeros test signal generators are available on the card switch selectable for system testing Compressed The audio decoder add on card decodes the compressed data per the appropriate algorithm ISO MPEG This decoded information is then p...

Страница 100: ...des an analog output to the bar graph monitor on the front panel The clock source provides the ability to synchronize the various components of the system with a single device such as the on board crystal oscillator the internal multiplexer clock the bus the AES EBU input the trunk etc You can determine whether the card will generate its own clock or whether it will use a different clock source as...

Страница 101: ...non uniform density and the lower portion of the beam traveled through the denser portion of the medium its velocity would be less than that of the upper portion of the beam The plane of uniform phase would then change and the beam would bend downward This is refraction just as a light beam is refracted when it moves through a prism The atmosphere surrounding the earth has the non uniform characte...

Страница 102: ...eived by the receiving antenna will be exactly in phase with the direct rays This zone should not be violated by intruding obstructions except by specific design amounts The first Fresnel zone or more accurately the first Fresnel zone radius is defined as the perpendicular distance from the direct ray line to the ellipsoidal surface at a given point along the microwave path F1 2280 d1 d2 f d1 d2 f...

Страница 103: ...the microwave path to the same arbitrary point along the path K K factor considered Three K values are of particular interest in this connection 1 Minimum value to be expected over the path This determines the degree of earth bulging and directly affects the requirements for antenna height It also establishes the lower end of the clearance range over which reflective path analysis must be made in ...

Страница 104: ...hile loss refers to signal attenuation or a reduction in power level loss does not refer to total interruption of the signal Both gains and losses are measured in decibels dB and dBm the standard unit of signal power The purpose of completing the balance sheet is to determine the power level of the received signal as it enters the receiver electronics in the absence of multipath and rain fading th...

Страница 105: ...TENNA TYPE 450 MHz BAND 950 MHz BAND 5 element Yagi 12 dBi 12 dBi Paraflector 16 dBi 20 dBi 4 Dish 1 2 m 13 dBi 19 dBi 6 Dish 1 8 m 17 dBi 23 dBi 8 Dish 2 4 m 19 dBi 25 dBi 10 Dish 3 0 m 22 dBi 27 dBi Line 4 Add lines 1 2 and 3 and enter here This is the total gain in the proposed system Line 5 Enter the amount of free space path loss as determined by the formula given in Section A 2 2 or see the ...

Страница 106: ...nter the total gain from line 4 Line 13 Enter the total loss from line 11 Line 14 Subtract line 13 from line 12 This is the unfaded signal level to be expected at the receiver Convert from dBm to microvolts here for reference Line 15 Enter the minimum signal required for 1x10E 4 BER using the information in Table A 5 Table A 5 Typical Received Signal Strength required for BER of 1x10E 4 Data Rate ...

Страница 107: ...is given by 100A or 100 1 U Non Diversity Annual Outages Let Undp be the non diversity annual outage probability for a given path We start with a term r defined by Barnett as follows r actual fade probability Rayleigh fade probability 10 F 10 Where F fade margin to the minimum acceptable point in dB For the worst month the fade probability due to terrain is given by rm a x 10 5 x f 4 x D3 Where D ...

Страница 108: ...te reliability cannot be achieved by use of a single antenna and frequency space diversity or frequency diversity or both can be used To achieve space diversity two antennas are used to receive the signal For frequency diversity transmission is done on two different frequencies For each case the two received signals will not experience fades at the same time The exact amount of diversity improveme...

Страница 109: ...Appendix A Path Evaluation Information A 9 Moseley SL9003Q 602 12016 01 Revision J A 2 7 Path Calculation Balance Sheet ...

Страница 110: ...A 10 Appendix A Path Evaluation Information Moseley SL9003Q 602 12016 01 Revision J ...

Страница 111: ...ibrated for a zero dBm indication with 0 7746 Volts applied But they were not measuring power change the circuit impedance and the meter is incorrect B 1 3 Voltage Based Systems Modern audio equipment normally has output impedances much lower than input impedances Output impedance values from zero up to 50 Ohms are typical and input impedances of 10 kilohms are typical Such equipment connected tog...

Страница 112: ...2 Appendix B Audio Considerations Moseley SL9003Q 602 12016 01 Revision J Reprinted from the ATS 1 User s Manual published in July 1994 with permission from Audio Precision Inc located in Beaverton Oregon ...

Страница 113: ...ection Ratio Codec Coder Decoder CPFSK Continuous Phase Frequency Shift Keying CSU Channel Service Unit D A DAC Digital to Analog Digital to Analog Converter dB Decibel dBc Decibel relative to carrier dBm Decibel relative to 1 mW dBu Decibel relative to 775 Vrms DCE Data Circuit Terminating Equipment DSP Digital Signal Processing DSTL Digital Studio Transmitter Link DTE Data Terminal Equipment DVM...

Страница 114: ...Intermodulation Distortion ISDN Integrated Services Digital Network Kbps Kilobits per second kHz Kilohertz LED Light emitting diode LO LO1 Local oscillator first local oscillator LSB Least significant bit MAI Moseley Associates Inc Mbps Megabits per second Modem Modulator demodulator ms Millisecond MSB Most significant bit MUX Multiplex Multiplexer s Microsecond V Microvolts NC Normally closed NMS...

Страница 115: ...SI Received Signal Strength Indicator Indication RX Receiver SCA Subsidiary Communications Authorization SCADA Security Control and Data Acquisition SNR Signal to Noise Ratio SRD Step Recovery Diode STL Studio Transmitter Link TDM Time Division Multiplexing THD Total harmonic distortion TP Test Point TTL Transistor transistor logic TX Transmitter Vrms Volts root mean square Vp Volts peak Vp p Volt...

Страница 116: ...C 4 Appendix C Glossary of Terms Moseley SL9003Q 602 12016 01 Revision J Term Definition ZIN Input Impedance ZOUT Output Impedance ...

Страница 117: ...Appendix D Microvolt dBm Watt Conversion 50 ohms D 1 Moseley SL9003Q 602 12016 01 Revision J D Microvolt dBm Watt Conversion 50 ohms ...

Страница 118: ...D 2 Appendix D Microvolt dBm Watt Conversion 50 ohms Moseley SL9003Q 602 12016 01 Revision J ...

Страница 119: ... SL9003Q 602 12016 01 Revision J E Spectral Emission Masks The following spectral compliance emission plots are peak power measurements at 1 watt average transmit power E 1 500 kHz Allocation a 1408 kbps 16 QAM b 1536 kbps 16 QAM c 1536 kbps 64 QAM ...

Страница 120: ...E 2 Appendix E Spectral Emission Masks Moseley SL9003Q 602 12016 01 Revision J d 2048 Kbps 64 QAM E 2 300 kHz Allocation a 1408 kbps 64 QAM E 3 250 KHz Allocation a 1024 kbps 64 QAM ...

Страница 121: ...e bandwidth while maintaining RF termination of the Standby radio transmitter F 2 TP128 TP64 System Specifications Redundant Standby System Frequency Range limited by RX power divider 0 5 2 GHz 2 4 2 GHz 4 8 GHz 8 12 4 GHz 12 18 GHz TX Relay Frequency Range 0 to 18 GHz TX Relay Insertion Loss 0 2 dB max 0 4 GHz TX Relay Isolation 80 dB min 0 4 GHz TX Relay VSWR 1 2 1 max 0 4 GHz TX Relay Switching...

Страница 122: ...d hardware included with the TP128 TP64 F 3 2 TP128 Power Supply The TP128 main power 48 VDC is supplied by the provided desktop AC to DC power supply Optionally a second 48V internal supply and AC DC power converter can be used for power redundancy Contact Moseley for availability F 3 3 TP64 Power Supply The TP64 main power 12 15 VDC is supplied by the shielded RJ45 cable from both radios and the...

Страница 123: ...g the inputs with the tee is acceptable If 600 Ohm termination is preferred internal jumpers E2 and E5 must be set to 600 Ohms on the audio encoder of either the main or the backup link but not both Installing 600 Ohm termination will lower the audio level by 6 dB The RS 232 data control aux channel can be split to both transmitters through a modem splitter The splitter can be a passive device suc...

Страница 124: ... not required as both of the receivers are ALWAYS ON The antenna input is split to the two receivers with an RF power divider Audio Switching with Optimod Audio Processor The Main and Standby audio outputs can be routed to the inputs of an Orban Optimod stereo generator with the AES EBU input option or similar device Route the AES EBU from the Main receiver and the analog from the Standby receiver...

Страница 125: ...MOD Receiver Audio Switching External If there is no Optimod or similar stereo generator processor at the receiver end of the link or it is desirable to use common discrete or AES EBU audio an external audio switching router can be used to select the active audio feed The Broadcast Tools SS 2 1 Terminal III switcher router is shown below in this application Figure F 4 ...

Страница 126: ... application the router is rack mounted between main and standby receivers Figure F 4 shows the configuration for discrete audio For digital audio outputs only the left or right channel can be substituted with the AES EBU channel The Main Receiver provides control logic from the RJ45 connector XFER on the NMS card for switching the signal to the switcher router The Main receiver control line RJ45 ...

Страница 127: ...QAM STL receiver is valid when the QAM STL transmitter is selected The analog STL receiver is valid when the analog STL transmitter is selected For instance the transfer panel will switch to a back up transmitter when a failure mode is detected in the main transmitter If the Starlink transmitter is selected as main and fails the Starlink receiver will automatically switch over to the analog backup...

Страница 128: ...F 8 Appendix F Redundant Backup with TP64 and TPT 2 Transfer Panels Moseley SL9003Q 602 12016 01 Revision J Figure F 5 Starlink TX RX NMS Transfer I O Connection ...

Страница 129: ...ng 600 Ohm termination will lower the audio level by 6 dB The RS 232 data control aux channel can be split to both transmitters through a modem splitter The splitter can be a passive device such as Black Box P N TLO73A R2 3 port MS 3 In using the TPT 2 for this hybrid digital analog backup configuration the logic is such that the PCL series STL must be connected to TRANSMITTER A as shown below in ...

Страница 130: ...with DSP PCL as backup configuration for the receiver end of the link A TPT 2 is not required as both of the receivers are ALWAYS ON The antenna input is split to the two receivers with an RF power divider Receiver Audio Switching with Optimod Audio Processor The Main and Standby audio outputs can be routed to the inputs of an Orban Optimod stereo generator with the AES EBU input option or similar...

Страница 131: ... locked Figure F 7 Starlink QAM RX with DSP PCL RX Backup and Optimod Connection Receiver Audio Switching External If there is no Optimod or similar stereo generator processor at the receiver end of the link or it is desirable to use common discrete or AES EBU audio an external audio switching router can be used to select the active audio feed The Broadcast Tools SS 2 1 Terminal III switcher route...

Страница 132: ...ation the router is rack mounted between main and standby receivers Figure F 8 shows the configuration for discrete audio For digital audio outputs only the left or right channel can be substituted with the AES EBU channel The Starlink Receiver acting as the main receiver provides control logic from the RJ45 connector XFER on the NMS card for switching the signal to the switcher router The Starlin...

Страница 133: ...l STL receiver environments can cause problems F 5 Operation F 5 1 Hot Cold Standby Modes Hot Standby preferred Hot standby leaves both transmitters in the RADIATE ON condition and the TP128 TP64 controls the RF relay to select the active transmitter thereby decreasing switchover time This is the preferred operating mode Cold Standby Cold standby can be used in situations where low power consumpti...

Страница 134: ...FAIL GRN RED A A A FAIL OK RED GRN B B A Master Logic A FAIL FAIL RED RED N A None B OK OK YEL GRN B B B OK FAIL GRN RED A A B FAIL OK RED GRN B B B Master Logic B FAIL FAIL RED RED N A None A Master Logic default power up If RADIO A is good the Tp128 TP64 will remain in RADIO A position regardless of RADIO B s status If RADIO A fails the TP128 TP64 will switch to RADIO B assuming that RADIO B is ...

Страница 135: ...XFER Configures the unit for HOT or COLD STANDBY operation depending on the setting of TX XFER next line in menu TX XFER select per system requirement HOT Configures the unit for HOT STANDBY operation preferred COLD Configures the unit for COLD STANDBY operation TX STATUS shown in this menu for ease of use RADIATE Indicates the transmitter is ON and radiating OFF Indicates the transmitter is OFF F...

Страница 136: ...F 16 Appendix F Redundant Backup with TP64 and TPT 2 Transfer Panels Moseley SL9003Q 602 12016 01 Revision J Figure F 11 STARLINK TP64 Control Cable Adaptor 230 12127 01 ...

Страница 137: ... sensitivity and yet provide protection against occasional interfering signals OFF This mode disables the attenuator completely Use this mode if strong bursty interfering signals are sporadically triggering the attenuator leveling control and causing errors this is a fairly low likelihood ON This mode forces the attenuator on essentially placing a 20 dB pad in front of the pre amp This mode provid...

Страница 138: ...M mode setting you MUST change the interleave setting to match on both transmitter and receiver or the system will not operate PRE POST BIT ERROR RATE MENU The receiver BER status screen is the most important indicator of the condition of the link From the front panel navigate to QAM RADIO MODEM STATUS The first screen that is shown is the BER POST and RSL status Post refers to post error correcti...

Страница 139: ...rence microphonics and impulse noise such as lightning To change the QAM rate navigate to QAM RADIO CONFIGURE MODEM Mode Effic Switch from 64Q 6 to 32Q 5 or 16Q 4 It is imperative to match the QAM mode on both transmitter and receiver or the system will not operate Don t forget to change both NOTE When shipped from the manufacturer the QAM mode is selected for optimal channel utilization for the p...

Страница 140: ...G 4 Appendix G Optimizing Radio Performance For Hostile Environments Moseley SL9003Q 602 12016 01 Revision J ...

Страница 141: ...structions 22 pages Main From 601 4 pages Schedule I Instructions 18 pages Schedule I Form with supplements 5 pages Form FCC 601 Schedule I is a supplementary schedule for use with the FCC Application for Wireless Telecommunications Bureau Radio Service Authorization FCC 601 Main Form This schedule is used to apply for an authorization to operate a radio station in the Fixed Microwave and Microwav...

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