General Dynamics LT-3600 SERIES, Operation & Maintenance Manual

Page 1: ...RIES 1915 Harrison Road Longview Texas 75604 EXPORT CONTROL WARNING Do not disclose this document or its contents to non U S Persons or transmit this document or its contents outside the United States...

Page 2: ...the defective product at VertexRSI shall disclose that such defects exist and have not been caused by misuse neglect improper handling alteration or accident VertexRSI reserves the right to make prod...

Page 3: ...on 12 2 4 Electrical Connections 12 2 4 1 Power Input 12 2 4 2 L Band Output J10 12 2 4 3 IF Input J9 12 2 4 4 IF Output J3 12 2 4 5 L Band Input J4 12 2 4 6 External 10 MHz Input J2 13 2 4 7 SSPB Int...

Page 4: ...l 22 4 3 8 Up Converter Spectrum Control 22 4 3 9 SSPB Band Control 22 4 3 10 Set SSPB Gain Attenuation 22 4 3 11 Enable Up Converter 22 4 3 12 Enable Down Converter 22 4 3 13 Satellite Memory Store 2...

Page 5: ...LCD Display 7 Figure 1 2 Rear Panel 7 Figure 3 1 Front Panel Controls and Indicators 14 Figure 3 2 Menu Listing 15 Figure 3 3 Satellite Memory 16 Figure 3 4 StarSwitch Display Auto Selection 17 Figure...

Page 6: ...ile performing these procedures and never work alone With power applied to the unit and the cover removed be aware that a rotating fan is operating 1 2 GENERAL INTRODUCTION This manual provides operat...

Page 7: ...to right Grounding Lug GND Power Connector Optional 10MHz high stability reference output J1 10 MHz reference input J2 IF Out J3 L Band In J4 On Off Switch for Dc output on J4 SW2 Cooling Fans Down C...

Page 8: ...U C 15VDC 5th Digit 6th Digit 7th Digit L Band Ports 10 MHZ Ref Out StarSwitch Ready 0 SMA Female 0 No Output 0 No 1 N Type Female 1 U C D C 1 Yes 2 U C Only 3 D C Only Note If connected to a StarSwit...

Page 9: ...mum 3rd Order Intermodulation for 2 car each at 0 dBm o p 40 dBc Spurious at 0 dBm output 55 dBc Non Carrier 60 dBm Transmit Spectrum Sense Non Inverting or Inverting Noise Power Density 125 dBm Hz DO...

Page 10: ...kHz Parameter Memory Storage Non Volatile EEPROM L Band Output Phase Noise at 100 Hz Offset 66 dBc Hz at 1 kHz Offset 76 dBc Hz at 10 kHz Offset 86 dBc Hz at 100 kHz Offset 96 dBc Hz at 1 MHz Offset...

Page 11: ...nternal Electronics Power 25 watts StarSwitch Interface Connectors Options DB 15 Female Remote Serial Interface Standard RS 422 RS 485 J7 DB 9 Male External SSPB Monitor and Control J6 DB 9 Female DC...

Page 12: ...4 ELECTRICAL CONNECTIONS All electrical connections are made to the rear panel of the unit The following describes the rear panel connectors and its interface requirements The chassis ground is a 10...

Page 13: ...arm Relay Common Pin 7 Alarm Relay Normally Closed Pin 8 Not Used Pin 9 Alarm Relay Normally Open Port J7 may be reconfigured for RS 232 interface by changing the following jumpers locations on the ma...

Page 14: ...TA FOR VARIOUS PARAMETER SETTINGS THE APPLICABLE NUMBER IS ENTERED AT THE CURSER UNDERLINE AND THEN IS PRESSED TO ACCEPT THE CHANGE THE DISPLAY WINDOW SHOWS THE VARIOUS SETTINGS FOR THE UNIT CONTROL A...

Page 15: ...PE FACTOR SET LCL RS 485 ADDRESS AND STATUS Unit Address xx xx 422 Mode Front Panel SW v5 20 FP Alarm Tone Muted UC 1000 250 15 0 dB DC 1500 625 30 0 dB SOFTWARE VERSION AND ALARM CONTROL DEFAULT MENU...

Page 16: ...RM AND STORE CHANGE TO EACH FIELD AND LEAVE EDIT MODE AFTER LAST FIELD ENT UC0 1200 000 20 0 dB DC0 1200 000 30 0 dB LCL 0 1 UC1 1000 125 30 0 dB DC1 1500 125 45 0 dB UC9 1500 875 25 0 dB DC9 1300 875...

Page 17: ...n the system Upon switchover to the backup converter the display will change to Figure 3 5b indicating STBY in the Activity Window Under normal operation the Summary Alarm would only be ON if there we...

Page 18: ...itch Alarm however does not activate the Summary Alarms and the Backup Converter will still backup an Online Converter when it is powered down Figure 3 8 shows the Backup Converter display after Conve...

Page 19: ...ence is not detected Active Mode 4 LNB N A Act OK Bad N A Disable Alarm if LNB or BDC is not present Activate for LNB supply current Alarm select in Edit Mode LNB supply current is within acceptable r...

Page 20: ...Units marked with Rev A on the rear panel support the new protocol 4 1 LT 3600 SERIAL INTERFACE The serial interface format to the Up Dn Converter for RS 422 is identical to the RS 485 format except t...

Page 21: ...cters Range 0950 to 1950 MHz for Std and Extended Band units Where xxxx x Fifth character is fractional MHz as follows 0 0 0 MHz 1 0 125 MHz 2 0 250 MHz 3 0 375 MHz 4 0 500 MHz 5 0 625 MHz 6 0 750 MHz...

Page 22: ...disable or mute the transmitter and x 1 to enable or un mute the transmitter 4 3 12 Enable DOWN Converter aaCBx Where x 0 to disable or mute the DOWN Converter and x 1 to enable or un mute the DOWN Co...

Page 23: ...in 125 kHz increments 4 4 3 Level Status aaS2 Returns S2MLffppeett Where M ASCII hex Char MSN of bitmapped status F indicates no alarm in group D7 Low SSPB Lock Alarm D6 Low SSPB Thermal Alarm D5 Low...

Page 24: ...verter enable Range 0 disable 1 enable ee 2 Character SSPB current detection Range 00 to 30 0 3 0 A N 0 for SSPB Disable 1 SSPB Enable 4 4 5 Set Cable Slope Factor aaFx Where x numeric character Range...

Page 25: ...er of the Satellite Memory location bbbb Frequency for the Up Converter cccc Frequency for the Down Converter dddd Gain for the Up Converter eeee Gain for the Down Converter y ASCII character making u...

Page 26: ...CCA Software Revision History 7 72 StarSwitch Menu and Status Update 7 71 Added RS 485 address to Fractional Frequency Status 7 70 High Low gains with signs M C changes July 05 7 56 1950 MHz limit inv...