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ST88-21 C/Ku-Band TVRO

Maintenance and Troubleshooting

13-5

13.5.2.

Radio M&C

The RS-232, RS-422, or RS-485 (depending on configuration) Radio M&C signals pass from the BDE computer

through the RF M&C port of the base modem and are modulated and demodulated. These M&C signals are
diplexed with the pedestal M&C signals before passing through to the above decks modem. The pedestal

modem then converts the RF signal back to RS-232/422/485, before routing to the M&C port of the above

decks radio equipment via an interface cable.

13.5.3.

Channel Identification

There are four base frequencies used in the 400MHz FSK modem assemblies:

•

The BDE Modem Transmits Pedestal M&C at 452.5 MHz

•

The BDE Modem Transmits Radio M&C at 447.5 MHz

•

The ADE Modem Transmits Pedestal M&C at 465.0 MHz

•

The ADE Modem Transmits Radio M&C at 460.0 MHz

Figure 7 ADE Modem Transmit Frequency Markers

Figure 8 BDE Modem Transmit Frequency Markers

Содержание ST88-21 C/Ku-Band TVRO

Страница 1: ...n Industrial Centre Wide Lane Swaythling Southampton UK S0 18 2HJ Tel 44 0 23 80 671155 Fax 44 0 23 80 671166 Web http www cobham com seatel Sea Tel Inc is also doing business as Cobham SATCOM Maritime January 20 2014 Document No 136464 Revision A1 INSTALLATION AND OPERATION MANUAL FOR SEA TEL MODEL ST88 21 DUAL C QUAD KU BAND TVRO ANTENNA ...

Страница 2: ... 1998 03 on July 20 1999 Sea Tel document number 119360 European Union Declaration of Conformity for Marine Navigational Equipment is available on request Copyright Notice Copyright 2012 Sea Tel Inc All Rights Reserved The information contained in this document is proprietary to Sea Tel Inc This document may not be reproduced or distributed in any form without prior written consent of Sea Tel Inc ...

Страница 3: ...iii Revision History REV ECO Date Description By A N A April 11 2012 Initial Production Release MDN A1 N A January 20 2014 Update installation text and installation arrangement drawing MDN ...

Страница 4: ......

Страница 5: ...THE ADE 2 5 2 7 BELOW DECKS EQUIPMENT LOCATION 2 5 2 8 CABLES 2 6 2 8 1 ADE BDE Coaxial Cables 2 6 2 8 2 Antenna Power Cable 2 6 2 8 3 Air Conditioner Power Cable 2 6 2 8 4 ACU Power Cable Outlet 2 7 2 8 5 Gyro Compass Cable 2 7 2 8 6 Grounding 2 7 3 INSTALLATION 3 1 3 1 GENERAL CAUTIONS WARNINGS 3 1 3 2 SITE SELECTION ABOARD SHIP 3 2 3 3 PREPARATION 3 2 3 4 OPENING YOUR CRATES 3 2 3 4 1 Location ...

Страница 6: ...12 6 Other BDE connections 3 30 3 13 FINAL CHECKS 3 30 3 13 1 Visual Electrical inspection 3 30 3 13 2 Electrical Double check wiring connections 3 30 3 14 POWER UP 3 30 3 15 CABLE TERMINATIONS 3 30 3 15 1 At The Radome 3 30 3 15 2 ACU TMS 3 30 3 15 3 Other BDE Equipment 3 31 3 16 FINAL ASSEMBLY 3 31 3 16 1 Remove Stow Braces Restraints 3 31 3 16 2 Verify all assembly and Wiring connections 3 31 3...

Страница 7: ...AMETERS 8 2 9 SETUP SEARCHING 9 1 9 1 SEARCHING OPERATION 9 1 9 1 1 Default Standard Box Search Pattern 9 1 9 1 2 Inclined Orbit Search Pattern 9 2 9 1 3 No Gyro Search Pattern 9 3 9 2 CHANGING THE SEARCH PARAMETERS 9 4 9 2 1 AUTO THRES 9 4 9 2 2 EL STEP SIZE 9 4 9 2 3 AZ STEP SIZE 9 4 9 2 4 STEP INTEGRAL 9 4 9 2 5 SEARCH INC 9 5 9 2 6 SEARCH LIMIT 9 5 9 2 7 SEARCH DELAY 9 5 9 2 8 SWEEP INC 9 5 9 ...

Страница 8: ...LESHOOTING 400MHZ MODEM COMMUNICATION FAULTS 13 6 13 6 1 400MHz Modem Queries 13 6 13 6 2 Modem Query Methods 13 6 13 6 3 Isolating a 400 MHz Modem Fault Procedure 13 9 13 7 TROUBLESHOOTING 13 11 13 7 1 Theory Of Stabilization Operation 13 11 13 7 2 ST 21 Series Dual C Band OR Quad Ku Band TVRO RF Flow 13 12 13 7 3 Antenna Initialization ST 21 Series 13 12 13 7 4 Antenna Loop Error Monitoring 13 1...

Страница 9: ...SE PEDESTAL UNLIMITED AZIMUTH MODEMS 3 CHANNEL 14 4 14 7 126 RADOME ASSEMBLY 14 4 14 8 ENVIRONMENTAL CONDITIONS ADE 14 5 14 9 CABLES 14 5 14 9 1 Antenna Control Cable Provided from ACU MUX 14 5 14 9 2 Antenna L Band TVRO IF Coax Cables Customer Furnished 14 5 14 9 3 AC Power Cable Pedestal Rf Equipment 14 5 14 9 4 Gyro Compass Interface Cable Customer Furnished 14 6 14 9 5 Fiber Optic Transmitter ...

Страница 10: ...Table of Contents x This Page Intentionally Left Blank ...

Страница 11: ...ovide CD quality audio programming which may also be routed to your stereo equipment 1 3 System Components Your TVRO Antenna system consists of two major groups of equipment an above decks group and a below decks group Each group is comprised of but is not limited to the items listed below All equipment comprising the Above Decks is incorporated inside the radome assembly and is integrated into a ...

Страница 12: ...CU B to be able to control Antenna B and ONLY Antenna B You will program the blockage zone s for each of the two antennas refer to Setup Blockage Zones The blockage output from the ACU is fed to the Terminal Mounting Strip so that the output of each ACU can be connected to the arbitrator panel to control it The blockage output is available on SW2 terminal of the Terminal Mounting Strip to provide ...

Страница 13: ...antenna A is no longer blocked the arbitrator will do nothing because it is a latch circuit When antenna B is blocked the panel will switch so that antenna A is again providing signal the BDE distribution 1 6 General scope of this manual This manual describes the Sea Tel Antenna also called the Above Decks Equipment its operation and installation Refer to the manual provided with your Antenna Cont...

Страница 14: ...Introduction ST88 21 C Ku Band TVRO 1 4 This Page Intentionally Left Blank ...

Страница 15: ...ld be mounted more than 2 5 meters 8 feet away from any GPS receiver antennae Another consideration for any satellite antenna mounting is multi path signals reflection of the satellite signal off of nearby surfaces arriving out of phase with the direct signal from the satellite to the antenna This is particularly a problem for the onboard GPS and or the GPS based satellite compass The ADE and the ...

Страница 16: ...r personnel safety when entering the hatch of the radome The recommended cable passage is through the bottom near center of the radome base down through the ADE support pedestal if used through the deck and into the interior of the ship 2 3 3 Sizing of the support pedestal The following should be taken into account when choosing the height of a mounting support stand 1 The height of the pedestal s...

Страница 17: ...ecomes a force trying to pull the ADE to the side The tangential acceleration has an effect on both the strength of the ADE pedestal and the tracking accuracy of the control algorithm The effect of tangential acceleration is felt by the structure of the ADE before it truly affects the tracking accuracy For instance Sea Tel normally accepts that a tracking error of 0 1 degrees RMS at 0 5 G to be wi...

Страница 18: ...ast platform the ADE is mounted on should be checked for torsional vibration about the centerline of the mast and the orthogonal centerline of the platform If the estimated natural frequency of the mast or platform is less than 35 Hertz the mast or platform should be stiffened by the addition of deeper gussets under the platform or behind the mast 2 5 2 Raked Masts Raked masts are found on vessels...

Страница 19: ...tructure of the platform In general the following guidelines apply when determining the adequate support for mounting an antenna on a truss mast 1 Antenna ADE pedestal gussets should align with platform stiffeners which are at least 200 millimeters in depth and 10 millimeters in thickness 2 When possible the antenna ADE pedestal column should align with a vertical truss support 3 For every 100 kil...

Страница 20: ...able welded penetrations that must be pressure tested Always use good quality connectors that are designed to fit properly on the cables you are using Poor quality connectors have higher loss can allow noise into the cable are easily damaged or fail prematurely In as much as is possible don t lay the coaxes on power cables Try to have some separation from Inmarsat GPS cables that are also passing ...

Страница 21: ...of IEC 60092 350 and 351 in so far as practicable 2 8 5 Gyro Compass Cable Use good quality shielded cables twisted pairs individually foil wrapped outer foil with braid overall is best You only need 2 wire for NMEA signal 4 wire for Step By Step and 5 wire for Synchro always use shielded cable Be cautious of length and gauge of the run for voltage loss issues 2 8 6 Grounding Refer to the Installa...

Страница 22: ...Site Survey ST88 21 C Ku Band TVRO 2 8 This Page Intentionally Left Blank ...

Страница 23: ...rmanent strength for up to 1 diameter fasteners 290 Wicking High strength for fasteners which are already assembled WARNING Hoisting with other than a webbed four part sling may result in catastrophic crushing of the radome Refer to the specifications and drawings for the fully assembled weight of your model Antenna Radome and assure that equipment used to lift hoist this system is rated according...

Страница 24: ... out of phase with the direct signal from the satellite to the antenna This is particularly a problem for the onboard GPS and or the GPS based Satellite Compass The Above Decks Equipment ADE and the Below Decks Equipment BDE should be positioned as close to one another as possible This is necessary to reduce the losses associated with long cable runs This mounting platform must also be robust enou...

Страница 25: ... while the bolts are being removed 3 4 2 Base Frame and Reflector Crate We recommend that you place the Base Frame and Reflector Crate in the area that you have chosen to assembly each of these major components 1 This is the Base Frame Reflector crate 2 Remove the outer frame top and sides of the crate by removing the lag bolts 3 4 socket around the bottom of that secure the outer frame to the bot...

Страница 26: ...g the Philips head screws placed around the bottom of that secure the outer frame to the bottom section of the crate and lift the outer frame off 3 Remove the plastic covering Pedestal Stand DAC and BDE Box Cut the bands holding the Balance Weight Box along with the Hardware and Miscellaneous Box Stage these items in the location where the Pedestal will be assembled NOTE Some systems may have lage...

Страница 27: ...king the Base Frame and Reflector Crate The Base Frame and Reflector now share the same crate The Base Frame is on the lower deck under the Reflector support structure The Base Frame Legs Feet Supports and Hardware Kit are located on this crate The Reflector the Boxes containing the Feed LNB Assembly Assemblies if two along with the Feed Struts and Hardware Kit are located in this crate If there a...

Страница 28: ... is one L bracket on each side Only remove the lower lag bolt from the L brackets 3 Lift the reflector support structure up about 2 feet CAUTION Be careful not to lift the supports to more than the necessary height as this could cause the reflector to flip over 4 Allow the drop down legs on the reflector support to swing down to support the structure in the raised position ...

Страница 29: ...l assemble the Base Frame later in the installation instructions 10 Cut the tie wraps that hold the Feed Struts Top Left and Right to the wooden diagonal 11 Keep the struts in this area as the feed will be installed on the reflector while it is still mounted to the reflector support structure 12 Cut the tie wraps that hold the Feed Assembly and LNB Box Contains Feed Assembly LNB and Coaxial Cables...

Страница 30: ...crate contains the Pedestal Assembly Spider DAC BDE box RF units Wave Guide boxes Hardware Kits and the Air Conditioning unit if one is with the shipment If there are two RF units the Wave Guide and hardware for each is in separate boxes Unpacking the Pedestal Crate 1 Open the crate to expose the contents as described above 2 Cut the bands holding the Balance Weight Box along with the Hardware and...

Страница 31: ...t no cables on the front or back side of the cross level beam are pinched by the lifting straps 7 Attach the lifting hook from a crane or other suitable lifting apparatus to the 2 harness straps Lift only enough to slightly tension the lifting straps 8 If large counter weight assemblies which have been removed from the equipment frame are packaged with the pedestal in this crate cut the bands or u...

Страница 32: ...e or other suitable lifting apparatus to lift the pedestal off of the crate and relocate it to the area where the pedestal will be sub assembled 3 7 Unpacking the Radome Crate It is recommended that you do not unpack the crates until you are ready to sub assemble the equipment This crate should be place in the location that you have chosen to assemble the radome onto the base frame Unpacking the R...

Страница 33: ...tenna Pedestal and Reflector Feed The area should be a clean flat location free of rocks debris ie concrete The site should also provide protection from wind rain and other adverse weather A hoist or small crane is needed to assemble these sub assemblies to form the final ADE Assembly As an example you might sub assemble everything on the pier where the ship will tie up then use the crane to put t...

Страница 34: ... latches from the under side 3 8 3 Sub assemble the bottom panels of the 126 Radome Assembly Refer to the Radome Assembly drawing for your system and the procedure below It is best to have at least TWO people sub assembling the radome one working from the inside and the other outside Sub assemble the sections of the radome on a clean flat location that is free of rocks and debris i e concrete to a...

Страница 35: ...he bottom half of the radome 3 Working as a team loosely install the rest of the hardware in all of the flanges Do NOT tighten the bolts at this time 4 Assure good horizontal alignment of the panels Good alignment of the bottom edge of the panels is important for good seal on the base frame and good alignment of the top provides a good seal between the lower and upper panels 5 To provide a clean c...

Страница 36: ...the bolts are tightened and kept in alignment as the hardware is aligned This is necessary for the inside clearance and the outside aesthetic appearance of the radome Please note this picture shown good alignment as observed from inside the radome and below a flange with bad alignment Good flange alignment Bad flange alignment ...

Страница 37: ...refer 7 Clean excess caulking off of the flange area inside and out The empty caulking tubes can be used to clean off the excess caulk without scratching the radome finish 8 Repeat caulking closing and cleaning the vertical flanges until all of the lower panel seams are closed 9 Remove the tape from the vertical seams 10 The lower section of the radome is now complete 11 Place short pieces of 2 x4...

Страница 38: ... assemble the upper panels of the 126 Radome Assembly Refer to the Radome Assembly drawing for your system and the procedure below It is best to have at least TWO people sub assembling the radome one working from the inside and the other outside Sub assemble the sections of the radome on a clean flat location that is free of rocks and debris ie concrete to assure good horizontal alignment of the p...

Страница 39: ...he lower and upper panels 5 To provide a clean caulked seam all around the panels apply painters masking tape to the outside perimeter of each of the panels about from the top bottom left and right edges at each flange joint The tape will be removed just before the radome caulking has had time to set NOTE It is extremely important to assure that the flanges are properly aligned before the bolts ar...

Страница 40: ...ctite to and then firmly tighten all of the bolts in that seam smaller dual beads of caulking can be applied from outside and inside if you prefer 7 Clean excess caulking off of the flange areas inside and outside the radome 8 Repeat caulking closing and cleaning the vertical flanges until all of the upper panel seams are closed 9 Remove tape from the vertical seams ...

Страница 41: ...oles inside the radome top coordinate with the person inside the radome 13 Inside Person Install the radome cap using the provided hardware CAUTION Do NOT over tighten the hardware Only tighten until the fiberglass STARTS to flex 14 Apply additional caulking to fill gaps between the upper panels and the cap 15 Clean off excess caulking 16 The upper section of the radome is now complete 17 Place sh...

Страница 42: ...The upper panel assembly is now ready to lift onto the lower panels 3 8 5 Sub assemble the bottom panels onto the base frame NOTE Unless otherwise indicated all nuts and bolts should be assembled with Loctite 2760 or its equivalent 1 Hoist the lower section of the radome hover above the base frame to align door panel with the hatch in the base frame the door and hatch are AFT in the radome and set...

Страница 43: ...inside and outside of the radome 7 Remove tape from the horizontal edges of the lower panels The bottom half of the radome is complete Next you will assemble your antenna pedestal General Assembly and install it into this portion of the radome before putting the top half of the radome on 3 8 6 Sub assemble the Antenna Pedestal Refer to the General Assembly drawing for your system and the procedure...

Страница 44: ...ure in the maintenance chapter of this manual 5 Attach two small S hooks to two web lifting straps 6 Hook the two lifting strap S hooks into the end of the tubing of the left right feed struts 7 Unbolt the reflector from the raised platform of the Baseframe Reflector crate 8 Using a crane or other suitable lifting apparatus lift the reflector up and onto the reflector mounting brace of the pedesta...

Страница 45: ...he shielded Polang Aux Relay box 14 Connect the IF receive coax cables from the feed to the Receive inputs on the panel of coax switches according to the block diagram The antenna pedestal General Assembly is now completely assembled in the bottom half of the radome and is ready for you to put the top half of the radome on 3 8 7 Close the 126 Radome Assembly Refer to the Radome Assembly drawing fo...

Страница 46: ...me NOTE It is extremely important to assure that the flanges are properly aligned before the bolts are tightened and kept in alignment as the hardware is aligned This is necessary for the inside clearance and the outside aesthetic appearance of the radome Please note this picture shown good alignment as observed from inside the radome and below a flange with bad alignment Good flange alignment Bad...

Страница 47: ...de and inside if you prefer Remove the wedges and radome lifting brackets and then firmly tighten all the bolts 7 Remove the tape from the upper and lower panels All tape should now be removed from the radome 8 The ADE Assembly is now complete ready for web straps to be attached for lifting the ADE onto the ship 3 9 Hoisting the ADE 3 9 1 Prepare the 126 Radome ADE for Lift Refer to the Base Frame...

Страница 48: ...rated web lifting straps to the eye bolts or shackles 4 Attach appropriate length of rope tag lines to the Base Frame 5 The ADE is now ready to hoist onto the ship 3 10 Installing The ADE 3 10 1 Hoist WARNING Hoisting with other than a webbed four part sling may result in catastrophic crushing of the radome Refer to the specifications and drawings for the fully assembled weight of your model Anten...

Страница 49: ...ipment rack or other suitable location The DAC 2202 ACU is one rack unit high 2 Install the Terminal Mounting Strip on the rear of the 19 equipment rack or other suitable location that is within 6 feet of the rear panel connections of the ACU It also is one rack unit height 3 Install the Base Multiplexer Panel on the rear of the 19 equipment rack or other suitable location that is within 6 feet of...

Страница 50: ...m this PCB to J2 NMEA DB9 on the rear panel of the ACU Connect the 25 pin ribbon cable from this PCB to J1 Ship Gyro DB25 on the rear panel of the ACU CAUTION Electrical Shock Potentials exist on the Gyro Compass output lines Assure that the Gyro Compass output is turned OFF when handling and connecting wiring to the Terminal Mounting Strip DO NOT HOTPLUG THIS CONNECTION 3 12 5 1 Jumper Selection ...

Страница 51: ...ut is driven by the band selected in the MODE TRACKING display 3 12 5 3 SW2 The Blockage TX Mute Control output is driven by Blockage and RF Radiation Hazard functions This output will short to ground whenever the antenna is within the programmed AZ LIMIT zone s or is Searching Targeting or is mispointed 0 5 degrees from satellite peak This output is commonly used to drive Dual or Quad Antenna Arb...

Страница 52: ...d SCPC VER 5 xx followed by SEA TEL IO MOD and COMMIF VER 1 xx followed by SEA TEL REMOTE and INITIALIZING After initialization the bottom line of the remote display will display the antenna model number and the software version from the PCU Energize and check the other Below Decks Equipment to verify that all the equipment is operating You will need to assure that the ACU is setup correctly and t...

Страница 53: ...t is at the home switch position This information will be used later to calibrate the relative position display of the antenna 3 17 3 BDE Turn Power ON to the ACU Record the power up display Master ACU Model Software version and the Remote PCU Model Software version 3 17 4 Balancing the Antenna The antenna and equipment frame are balanced at the factory however after disassembly for shipping or ma...

Страница 54: ...mote Balance Mode When you exit Balance Mode the antenna will be re initialized which turns DishScan Azimuth Elevation and Cross Level drive ON 3 17 5 Fine Balance and Monitoring Motor Drive Torque The DacRemP DISPTC graph chart provides a means for monitoring torque commands required for each motor for diagnostic purposes and verifying antenna balance By observing each trace the required drive of...

Страница 55: ... that it is Front or Bottom Heavy The LV trace is plotting above the red line indicating that the LV axis is being driven CW to maintain the current elevation position The Azimuth display plots below the red line as the antenna is driven CW and plots above the red line as the antenna is driving CCW 3 18 Setup Refer to the Setup information in the next section of this manual and in the Setup sectio...

Страница 56: ...Installation ST88 21 C Ku Band TVRO 3 34 This Page Intentionally Left Blank ...

Страница 57: ...momentarily to access to the SAVE NEW PARAMETERS parameter Access is only required after installation or repairs of your antenna system These parameters should only be changed by an authorized service technician CAUTION Improper setting of these parameters will cause your system to not perform properly Also refer to the SETUP section of your antenna manual 4 3 TRACK DISP This parameter set the sel...

Страница 58: ...and DishScan My Parameters EL TRIM 0 AZ TRIM 0 AUTO THRES 100 EL STEP SIZE 0 AZ STEP SIZE 0 STEP INTEGRAL 0 SEARCH INC 30 15 SEARCH LIMIT 200 100 SEARCH DELAY 30 SWEEP INC 0040 SYSTEM TYPE 0005 GYRO TYPE 2 POL TYPE 72 POL OFFSET 30 POL SCALE 90 AZ LIMIT 1 0 AZ LIMIT 2 0 EL LIMIT 12 0 AZ LIMIT 3 0 AZ LIMIT 4 0 EL LIMIT 34 0 AZ LIMIT 5 0 AZ LIMIT 6 0 EL LIMIT 56 0 5V OFFSET 0 5V SCALE 0 TRACK DISP R...

Страница 59: ...r 2 for Step By Step gyro or NMEA gyro 1 for 1 1 Synchro with S D Converter 0 for No Gyro linear AZ Search Mode No Heading input available 5 2 Updating the GYRO TYPE parameter To manually update press the LEFT arrow key to bring the cursor under the least significant character Continue to move the cursor until the desired character to be edited is underscored selected Use the UP or DOWN arrow keys...

Страница 60: ...Setup Ships Gyro Compass ST88 21 C Ku Band TVRO 5 2 This Page Intentionally Left Blank ...

Страница 61: ... this IF value that will be entered into the ACU for tracking purposes Example assuming an LNB LO value of 11 25GHz 12268 11250 1018 MHz IF Identifying the Downlink RF using Capture from Lyngsat com Identifying the Downlink RF using WWW Lyngsat com 6 2 Baud Rate The Baud rate entered into the ACU is an absolute value based on the Downlink RF from the satellite and thus no calculations by the onboa...

Страница 62: ... proper port selection of the Multiswitch An RF Downlink value greater than 11700 is Ku Band Hi band and tone must be turned On for proper port selection of the Multiswitch When using a Public Satellite Reference Site such as Lyngsat com or Satellite Reference Software such as WWW Lyngsat com refer to the Frequency value to determine whether tone is required or not for tracking purposes Refer to t...

Страница 63: ...version to hexadecimal format is required for entry into the ACU If the satellite transponder you are using for tracking purposes does NOT contain a network ID or if you are using a satellite modem for positive satellite ID you must set NID to 0000 with no exceptions Example A decimal NID value of 4097 when converted to HEX would be entered as a value of 1001 Most versions of Windows you can use t...

Страница 64: ...Determine Internal Tracking Receiver Settings ST88 21 C Ku Band TVRO 6 4 This Page Intentionally Left Blank ...

Страница 65: ...pointing to the LEFT of the bow line If the antenna stops driving before the bow line when targeting a satellite it will fall short of the desired satellite by exactly the same number of degrees that it fell short of the bow line You must calibrate HFO using either of the methods below If the antenna is pointing to the RIGHT of the bow line If the antenna continues to drive past the bow line when ...

Страница 66: ...m Peak 227 0180 5 46 5 and difference is 46 5 degrees 7 I can calculate what the correct value for the Home position of the antenna by subtracting because home was to the left of bow this difference of 46 5 from the bow line position 360 0 Therefore home should be 313 5 Relative 8 I now calculate the HFO 313 5 360 x 255 0 87 x 255 222 06 which I round off to 222 9 I set and Save HFO to 222 using t...

Страница 67: ...arrow keys to increment decrement the underscored value When you have finished editing the display value press ENTER to send the HFO value command to the PCU but it is not saved yet If you want to find out what the current HFO value is key in N6999 and hit ENTER When completed you must save the desired HFO value Press ENTER several times to select the REMOTE PARAMETERS display Press the LEFT or RI...

Страница 68: ...Setup Home Flag Offset ST88 21 C Ku Band TVRO 7 4 This Page Intentionally Left Blank ...

Страница 69: ...hout submitting the new AZ and EL Trim values NOTE AUTO TRIM LOCKED will be displayed on the front panel indicating that the AUTO TRIM Feature is NOT allowed if all of these conditions are not met The ACU must be actively tracking a satellite AGC above threshold and The ACU must have positive SAT ID internal NID match or external RX lock received from the Satellite Modem and The elevation angle of...

Страница 70: ...ut reference Azimuth Trim does not affect REL azimuth reading Increase number to increase displayed value Refer to Optimizing Targeting in the Setup section of your antenna manual To update While in the AZ TRIM sub menu press the LEFT arrow key to bring the cursor under the ones digit Press the UP or DOWN arrow key to increment or decrement the selected digit Minus values are entered by decrementi...

Страница 71: ... this pattern by using the following settings SEARCH INC set to the default value for the frequency band that your antenna model is currently being used for typically 15 counts SEARCH LIMIT initially set to the default value After targeting has been optimized the search limit can be adjusted if desired SEARCH DELAY default or any number of seconds from 1 255 that you would prefer that the ACU wait...

Страница 72: ...t MUST be OFF when the elevation angle is greater than 75 degrees It Must be ON if you are experiencing frequent or constant gyro read errors error code 0001 Target the desired satellite longitude value but include an odd tenths digit ie if you desire to target inclined satellite 186 0 W you would key in SAT 186 1 W for the ACU to do an inclined search The Antenna Control Unit calculates the Azimu...

Страница 73: ...udes even tenths digit values ie SAT 101 0 W or SAT 101 2 W If the desired satellite longitude includes an odd tenths digit you must round it up or down one tenth to make the tenths digit EVEN The Antenna Control Unit calculates the Azimuth Elevation and Polarization values it will use to target the antenna However without heading input the ACU cannot target a true azimuth position relative to tru...

Страница 74: ...d character Use the LEFT or RIGHT arrow key to move the cursor left or right to select other characters to modify When you are finished modifying press ENTER to execute the new value OR press NEXT to abort and exit setup mode 9 2 2 EL STEP SIZE For proper DishScan operation this parameter must be set to factory default value of 0000 To manually update press the LEFT arrow key to bring the cursor u...

Страница 75: ...en the signal level AGC drops below threshold Units are in seconds Range is 0 255 seconds Default setting is 30 seconds A setting of 0 disables the automatic search initiation To manually update press the LEFT arrow key to bring the cursor under the least significant character Continue to move the cursor until the desired character to be edited is underscored selected Use the UP or DOWN arrow keys...

Страница 76: ...Setup Searching ST88 21 C Ku Band TVRO 9 6 This Page Intentionally Left Blank ...

Страница 77: ...ckage between the two azimuth limit points in the EL LIMIT 34 parameter AZ LIMIT 5 is the Lower Relative AZ limit CCW point and AZ LIMIT 6 is the Upper Relative AZ limit CW point for pattern mapping of ZONE 3 Enter the elevation value that represents the top of the blockage between the two azimuth limit points in the EL LIMIT 56 parameter AZ LIMIT 7 is the Lower Relative AZ limit CCW point and AZ ...

Страница 78: ...needed repeat setting AZ LIMIT 3 4 for a second ZONE and then AZ LIMIT 5 6 if a third ZONE is needed All unneeded zone AZ LIMIT pairs must be set to 0000 Set the upper elevation limit of each blockage zone also entered in degrees multiplied by 10 EXAMPLE 1 Three blockage Zones A ship has a Sea Tel antenna mounted on the port side and an Inmarsat antenna mounted on the starboard side A mast forward...

Страница 79: ...ation is greater than 42 degrees the antenna will no longer be blocked ZONE 2 begins AZ LIMIT 3 at 254 degrees Relative and ends AZ LIMIT 4 at 278 degrees Relative Multiply these Relative positions by 10 Enter AZ LIMIT 3 value of 2540 and AZ LIMIT 4 value of 2780 In this case the Antenna B height only causes blockage up to an elevation of 12 degrees so we set EL LIMIT 34 to 0120 If the antenna is ...

Страница 80: ...degrees the antenna will no longer be blocked ZONE 2 begins AZ LIMIT 3 at 352 degrees Relative and ends AZ LIMIT 4 at 008 degrees Relative Multiply these Relative positions by 10 Enter AZ LIMIT 3 value of 3520 and AZ LIMIT 4 value of 0080 In this case the mast height only causes blockage up to an elevation of 70 degrees so we set EL LIMIT 34 to 0700 If the antenna is between these two AZ Limit poi...

Страница 81: ...tem peaks on satellite with positive satellite identification within 1 minute Access the ACU Setup Modes SAVE NEW PARAMETERS Press the UP arrow and then press Enter 11 3 Optimizing Targeting Manually First assure that all of your Ship Satellite settings in the ACU are correct Target the desired satellite immediately turn Tracking OFF and record the Azimuth and Elevation positions in the ANTENNA di...

Страница 82: ...cking Band Selection menu Band Selection must be set to the appropriate selection for Tracking to operate properly Band selection controls the local logic output state of SW1 output terminal on the Terminal Mounting Strip PCB and remote C Ku relays or other switches on the antenna pedestal The factory default selections and SW1 status for your 9797B is listed in the following table Setting Display...

Страница 83: ...ss the NEXT key repeatedly to display the Ship menu If the boat is underway monitor the Heading value to verify that the display changes in the correct response to the Gyro Compass input Heading value should always be exactly the same as the Gyro Compass repeater value 2 If the ship is NOT underway most ships will turn 1 2 degrees at the pier monitor the Heading value to verify that the display ch...

Страница 84: ...ion Hazard logic output for a single Sea Tel TX RX antenna this output could be used to suppress RF transmissions while the antenna is pointed where people would be harmed by the transmitted microwave RF power output The SW2 output would be interfaced to the satellite modem to disable the TX output signal from the Satellite TXRX Modem whenever the antenna is within the RF Radiation Hazard zone s W...

Страница 85: ...upplied by Sea Tel commonly used in Satellite Communications TXRX Systems These equipments are covered by the applicable warranties of the respective manufacturers Factory refurbished components used to replace systems parts under this warranty are covered by this same warranty as the original equipment for the balance of the original warranty term or ninety 90 days from the date of replacement wh...

Страница 86: ...the connectors should be properly fastened and tightened All hardware should be tight no loose assemblies or counter weights Replace re coat repair and or tighten as necessary 13 2 7 Mechanical Checks Turn the pedestal power supply OFF 1 Inspect inside of radome for signs that the dish or feed have been rubbing against the inside of the fiberglass radome 2 Rotate the pedestal through its full rang...

Страница 87: ...jumper settings are required except when it is required to re configure a modem to operate in a different mode of operation i e converting a spares kit below decks modem to operate as an above decks modem or reconfiguring an ADE modem for M C integration with a newly installed RF package change that requires RS485 communications instead of RS422 Refer to the table below for the proper jumper setti...

Страница 88: ...n chart above for the appropriate dash configuration for your modem assembly A flashing Red LED indicates no communication between modems 2 failed channels An LED alternating Red and Green indicates a single channel failure Solid green indicate dual channel communications lock between modems i e there is enough signal being received to establish communications Below Decks Modem Assembly Above Deck...

Страница 89: ...ks modem The pedestal modem then converts the RF signal back to RS 232 422 485 before routing to the M C port of the above decks radio equipment via an interface cable 13 5 3 Channel Identification There are four base frequencies used in the 400MHz FSK modem assemblies The BDE Modem Transmits Pedestal M C at 452 5 MHz The BDE Modem Transmits Radio M C at 447 5 MHz The ADE Modem Transmits Pedestal ...

Страница 90: ...lsius 0411 cr BDE Modem Software Version and Configuration Query Modem Ver 1 00B 1 Software version configuration Dash 0000 cr ADE Modem RSSI Receive Signal Strength Indicator RSSI P 43 R 50 P Pedestal Control Channel R Radio Control Channel 1234 cr ADE Modem Serial Number Query Sn 00000102FC18 0273 cr ADE Modem Temperature Query Temp 27 5c Temperature expressed in Celsius 0411 cr ADE Modem Softwa...

Страница 91: ...response 13 6 2 2 Using the Internal HTML Page 1 Logon to the ACU s Internal HTML page 2 Browse to the Communication Port Settings page 3 In the Command Window Type in the desired Modem Query and hit Send 4 Observe and or Record the displayed response 5 Repeat as required until all desired modem queries are noted 13 6 2 3 Using DacRemP 1 Open up DacRemP and select the Comm Diagnostics Tool cntrl c...

Страница 92: ...odem queries are noted 13 6 2 4 Using ProgTerm 1 Open up ProgTerm and select the Tools Menu 2 Select Modem Tools 3 Select the desired modem location BDE is the Below Decks Modem ADE is the Above Decks Modem 4 Select the desired modem query 5 Observe and or Record the displayed response 6 Repeat as desired until all desired modem queries are noted ...

Страница 93: ... 8 and Shorting Pin 2 to Pin 3 on a female DB9 S connector Spectrum Analyzer Capable of handling 100kHz up to 3Ghz up to 48VDC SMA T splitter or N type T splitter Or equivalent cabling 400MHz FSK Modem Fault Reference Table ADE Modem RSSI BDE Modem RSSI Failure P 65 R 65 P 65 R 65 None P 65 R 65 P 65 R 65 Receive IF Path No Response No Response BDE ADE No Response No Response P 65 R 65 ADE No Resp...

Страница 94: ...ACU to BDE Interface cable failure 2 If loop back does not work ACU failure 13 6 3 1 4 ADE No Response 1 assumes LED illumination on both modems Modem Configuration Verify BDE modem and ADE modem are properly configured jumper block settings o Install Spectrum Analyzer in line with the Rx IF coax path 1 If 465 0MHz Transmit Beacon is present the fault is the BDE modem 2 If 465 0MHz Transmit Beacon...

Страница 95: ...pointed motionless in inertial space while the ship rolls pitches and yaws beneath the assembly Three low friction torque motors attached to each of the three free axes of the assembly provide the required force to overcome the disturbing torque imposed on the antenna system by cable restraints bearing friction and small air currents within the radome These motors are also used to re position the ...

Страница 96: ...he C Ku low Switch AND Antenna Control RF Pedestal TX at 1 1 Base TX at 1 5 MHz which is added onto this coax by the Pedestal FSK Modem connected to the PCU Vertical C Ku low band switched output passes through this channel of the 75 ohm coaxial rotary joint to the base of the radome down the ADE BDE coax to the Base FSK Modem connected to the ACU and then to the C Ku VERT LO input of the four por...

Страница 97: ...anual If initialization still fails this indicates a drive or sensor problem 13 7 4 Antenna Loop Error Monitoring The DacRemP DISPIVC graph chart provides a means for monitoring the accumulated velocity errors of the antenna for diagnostic purposes If this error is excessive it indicates external forces are acting on the antenna These forces may be the result of but not restricted to static imbala...

Страница 98: ...arrow keys set the Remote Command value to v0000 the v must be lower case and press ENTER 3 Press ENTER key once more to display the REMOTE MONITOR window The lower display will show v and three 4 digit decimal numbers v 1111 2222 3333 The numbers represent the Cross Level and Level Tilt Sensor outputs and the azimuth encoder respectively The Cross Level Tilt display should be 2048 when the level ...

Страница 99: ...rence line Any trace line average plotted above this is of concern and troubleshooting required See below for a screen capture of an antenna that is Level in both the Cross Level and Elevation Axis The Cross Level Tilt display should plot on the red reference line when the level cage is level referenced to the horizon It should decrease plots below red line when the antenna is tilted to the left a...

Страница 100: ...ine The example shown below shows an antenna that is NOT currently sensing motion in any axis The cross level display should decrease plots below red line as the antenna is tilted to the left and increase plots above red line as the antenna tilted to the right The level display should decrease plots below red line as the antenna is tilted forward and increase plots above red line as the antenna is...

Страница 101: ...R to drive the azimuth axis CW OFF or CCW 13 7 9 To Disable Enable DishScan Tracking optimizes the pointing of the antenna in very fine step increments to maximize the level of the satellite signal being received DishScan is the default mode of tracking To toggle the ON OFF state of DishScan select the remote parameter DISHSCAN This remote parameter allows you to view or change the DishScan ON OFF...

Страница 102: ...than 75 degrees Above 75 degrees Elevation the ability of Sat Reference tracking to correct the Az Rate sensor bias begins to degrade especially on a circular C system Satellite Reference Mode MUST be ON when No Gyro Compass is available The Gyro Compass input is noisy occasionally inaccurate or occasionally unavailable Frequent or constant ACU Error Code 0001 Gyro Compass has failed Using an unco...

Страница 103: ... mouse click on the icon 3 Right mouse click on the icon This will display a list box with the status of the above decks pedestal filtered into 3 sections Items preceded with a check marks indicate a flagged status See matrix below for further information on each state ...

Страница 104: ...tabilization Loop This is NOT an indication of a proper Heading integration into ACU PCU Error Indicates that one or more errors have been reported by the above decks equipment PCU Init Indicates that the above decks equipment is currently performing an Initialization sequence Hi Elevation Indicates that the above decks equipment is operating an Elevation Position higher than 83 PCU Error Status W...

Страница 105: ...ded are utilized to calculate the Azimuth Elevation Cross level and Polarity pointing angles of the desired satellite The DacRemP Comm Diagnostics Window provides a means to query the GPS antenna to verify proper operation The procedure below describes this process 1 Select the Comm Diagnostics window under to the Tools submenu or Press CTRL C 2 Left mouse click on the icon 3 Left Mouse click on t...

Страница 106: ... brakes and DishScan and antenna drive must be OFF to balance the antenna Do NOT remove any of the drive belts Balancing is accomplished by adding or removing balance trim weights at strategic locations to keep the antenna from falling forward backward or side to side The antenna system is not pendulous so balanced is defined as the antenna remaining at rest when left in any position The REMOTE BA...

Страница 107: ... either the ACU front panel or DacRemP diagnostic software by connecting the ACU s RS 422 M C Port to an available serial port on a Laptop Desktop computer using a standard 9 pin serial cable NOTE Steps 2 7 will require one person above decks observing the antenna and another person below decks to operate the ACU simultaneously Step 1 Turn Off DishScan Drive Using the DAC2202 ACU Front Panel Go to...

Страница 108: ...rence line should be of concern and troubleshooting is required Step 8 Save Level and Cross Level Tilt Bias values Using the DAC2202 ACU Front Panel Press DOWN arrow or enter until you see REMOTE PARAMETERS window is displayed Press RIGHT arrow and then press ENTER key you will see a confirmation saying SAVED Using DacRemP Click icon on the Remote Command window Verify 0087 is displayed in the Las...

Страница 109: ...2 Refer to the table below to key in the appropriate value for you model antenna 13 9 1 To configure the PCU 1 Select the REMOTE COMMAND window on the ACU 2 Refer to the table below to key in the appropriate value for you model antenna to enter in the next step EXAMPLE For a ST94 Model Antenna is system type 0213 3 Using the LEFT RIGHT and UP DOWN arrow keys set the Remote Command value to N0213 a...

Страница 110: ...nd moisture in the radome to prevent corrosion If for some reason the antenna must be powered down during underway transits it should be secured with nylon straps regardless of sea conditions to prevent damage to the antenna system Refer to the procedure below to secure the antenna pedestal Equipment Hardware needed Two 2 13 x 2 inch Stainless Steel bolts Two 2 Nylon straps with ratchet mechanism ...

Страница 111: ...erve the vertical isolation canister assembly as shown in Figure 4 6 Tighten straps until the canister has been pulled down approx to inch Do not over tighten You must leave approximately 1 8 inch clearance between the rubber stops and the azimuth driven sprocket to allow the vertical vibration isolation to function properly NOTE Remove both the straps and the bolts before applying power and retur...

Страница 112: ...Maintenance and Troubleshooting ST88 21 C Ku Band TVRO 13 28 This Page Intentionally Left Blank ...

Страница 113: ...u Low Band 11 7 12 75 GHz Ku High Band C Band LNB RF Frequencies 3 7 4 2 GHz IF Frequencies 950 1450 MHz LO Frequency 5 15 GHz Noise Figure 15 deg C typical Quad Ku Band LNB Assembly Type Quad output LNB Manufacturer Brainwave but may vary Low Band High Band RF Frequencies 10 7 11 7 GHz 11 7 12 75 GHz IF Frequencies 950 1950 MHz 1100 2150 MHz LO Frequencies 9 75 GHz 10 6 GHz Noise Figure 0 7 dB ty...

Страница 114: ... integrated in AZ motor home switch Range of Motion Elevation 15 to 110 degrees Cross Level 25 degrees Azimuth Unlimited Polarization 90 degrees Elevation Pointing 0 to 90 degrees with 15 degree Roll 5 to 90 degrees with 20 degree Roll 10 to 85 degrees with 25 degree Roll Relative Azimuth Pointing Unlimited Specified Ship Motions for stabilization accuracy tests Roll 15 degrees at 8 12 sec periods...

Страница 115: ...Service DE 9S connector Coax Switch J2 NO Co Pol SMA J3 COM Common SMA J1 NC Cross Pol SMA Controls None M C Interface 9600 Baud 400MHz FSK Status LEDs PCU Status Diagnostic Status of the PCU Modem Status Configuration Diagnostic Status of the Modem 14 5 MK 2 Motor Driver Enclosure MDE The Motor Driver Enclosure contains the Motor Driver for the 3 Brushless DC Drive motors AZ EL CL and the Brake C...

Страница 116: ...or for Power Link communications and Self Test Pedestal Interface RS 232 422 RF Interface Jumper Selectable RS 232 RS 422 4 wire or RS 485 2 wire ADE BDE Mode Jumper Selectable 14 7 126 Radome Assembly Type Rigid dome Material Composite foam fiberglass Size 126 Diameter x 122 High Base Hatch size 18 high x 34 wide Side Door 18 wide x 36 high Number of panels Ten panels 5 upper 5 lower panels one t...

Страница 117: ... 14 9 1 Antenna Control Cable Provided from ACU MUX RS 422 Pedestal Interface Type Shielded Twisted Pairs Number of wires Wire Gauge 24 AWG or larger Communications Parameters 9600 Baud 8 bits No parity Interface Protocol RS 422 Interface Connector DE 9P 14 9 2 Antenna L Band TVRO IF Coax Cables Customer Furnished 2 4 or 6 cables are required dependent upon which feed LNB configuration your antenn...

Страница 118: ...ctor Shielded Number of wires 4 Conductors for Step By Step Gyro 5 Conductors for Synchro Wire Gauge see Multi conductor Cables spec above Insulation 600 VAC 14 9 5 Fiber Optic Transmitter CFE Optional Model Ortel Model 3112A Frequency Range 950 2050 MHz Noise Figure 45 dB Impedance 75 ohm Connectors RF Type F Fiber FC APC Tight Fit ...

Страница 119: ...el ST88 21 15 3 135626 3_A1 System Block Diagram Model ST88 21 15 5 136757 1_A General Assembly Model ST88 21 15 8 135625_A1 Antenna System Schematic Model ST88 21 15 10 136759 1_A Antenna Assembly 2 0M Dual C Quad Ku 15 11 135631 1_B Feed Assembly Dual C Quad Ku 15 14 135632 1_B Mounting Assembly PCU 15 16 111678 9_L 126 Radome Assembly 15 18 123723 1_D Radome Base Frame Assembly 15 20 123908_B3 ...

Страница 120: ...Model ST88 21 Drawings ST88 21 C Ku Band TVRO 15 2 This Page Intentionally Left Blank ...

Страница 121: ...ELOW DECK KIT 4CH TVRO 400MHZ NOT SHOWN 6 1 EA 131856 1 A BELOW DECK KIT 4CH TVRO 400MHZ PL C1 B3 DAC BDE_Box Radome_Crate 11 1 EA 136767 1 A CUSTOMER DOC PACKET STXX 21 NOT SHOWN 11 1 EA 136767 1 A CUSTOMER DOC PACKET STXX 21 PL C1 B3 DAC BDE_Box Radome_Crate 12 1 EA 122539 1 B SHIP STOWAGE KIT XX97 NOT SHOWN 13 1 EA 114569 E BALANCE WEIGHT KIT PL C3 B1 Balance_Weight_Box Pedestal_Crate 13 1 EA 1...

Страница 122: ... CODES K D H RELEASED TO PRODUCTION WAS X1 4 5 12 9496 A ST88 21 SURFACE ROUGHNESS WEIGHT JWM D C B A A B C D 1 2 3 4 5 6 7 8 8 7 6 5 4 DESCRIPTION 3 2 1 PROJECTION FINISH MATERIAL DRAWN BY APPROVED BY TITLE FIRST USED SIZE SCALE N A SHEET NUMBER N A REV B K D H 3 5 12 136756 A 1 18 1 OF 1 DRAWN DATE APPROVED DATE SYSTEM ST88 21 REVISION HISTORY REV ECO DRAWING NUMBER DATE BY Tel 925 798 7979 Fax ...

Страница 123: ... EA 130082 56 A HARNESS EL CL MOTOR INTERFACE 56 IN 32 1 EA 130083 64 A HARNESS ASS Y AZ MOTOR INTERFACE 64 33 1 EA 130084 64 C HARNESS HOME FLAG ADAPTER 64 IN 34 1 EA 135633 2 B HARNESS ASS Y REFLECTOR ST88 ST94 40 1 EA 115708 3 H3 CIRCUIT BREAKER BOX ASS Y 97 220V 41 1 EA 127940 2 B POWER RING ASS Y 22 IN 96 IN CONTA 42 1 EA 124288 72 H CABLE ASS Y AC POWER 72 IN 50 1 EA 128254 12 A HARNESS ASS ...

Страница 124: ...H BDE RS 110 1 EA 128001 8BLU A2 CABLE ASS Y RG 179 COAX F M TO SMA 111 1 EA 128385 12BLU C CABLE ASS Y RG 179 COAX SMA RA T 112 1 EA 128253 6 A HARNESS ASS Y 4 CH RG 59 F M TO F 113 1 EA 111115 6 B1 CABLE ASS Y F M F M 6 FT 120 5 EA 114178 O ADAPTER F F F F BULLET 1 10 IN 130 1 EA 116298 1 G INTERFACE HARNESS ASS Y SINGLE MODEM 131 1 EA 120643 25 B CABLE ASS Y RS232 9 WIRE STRAIGHT 132 1 EA 11947...

Страница 125: ......

Страница 126: ...RAME ASS Y STXX 21 PL C3 I1 w 136765 1 2 Pedestal_Crate 4 1 EA 136759 1 A ANTENNA ASS Y ST88 21 5 1 EA 136758 1 A BALANCE WEIGHT KIT ST88 21 9 1 EA 121655 1 H8 LABELS INSTALLATION XX97 9711 PL C3 I1 w 136765 1 4 Pedestal_Crate 10 1 EA 123530 4 E GROUND BONDING KIT XX97 TVRO NOT SHOWN 10 1 EA 123530 4 E GROUND BONDING KIT XX97 TVRO PL C3 I1 w 136765 1 3 Pedestal_Crate 1 SHT 1 OF GENERAL ASS Y ST88 ...

Страница 127: ...98 K D H RELEASED TO PRODUCTION WAS X1 4 5 12 9496 A N A SURFACE ROUGHNESS WEIGHT JWM D C B A A B C D 1 2 3 4 5 6 7 8 8 7 6 5 4 N A 3 2 1 PROJECTION FINISH MATERIAL DRAWN BY APPROVED BY TITLE FIRST USED SIZE SCALE SHEET NUMBER 436 7 LBS DRAWING NUMBER REV B K D H 3 5 12 1 12 A ST88 21 136757 DRAWN DATE APPROVED DATE GENERAL ASS Y REVISION HISTORY REV ECO 1 OF 1 DESCRIPTION DATE BY Tel 925 798 7979...

Страница 128: ......

Страница 129: ...631 1 1 Feed_Assy_Box Radome_Crate 7 1 EA 128254 12 A HARNESS ASS Y 6 CH RG 6 F M TO F PL C1 B4 I1 w 135631 1 2 Feed_Assy_Box Radome_Crate 8 10 EA 119801 019 B CABLE TIE NYLON 7 5 IN NATURAL 50 4 EA 114586 541 SCREW HEX HD 1 4 20 x 1 1 2 S S 51 8 EA 114586 542 SCREW HEX HD 1 4 20 x 1 3 4 S S 55 4 EA 114625 107 WASHER FENDER 1 4 1 IN OD S S 58 16 EA 114580 029 WASHER FLAT 1 4 S S 59 8 EA 114583 029...

Страница 130: ...INGLE LEVEL MFG BILL OF MATERIAL FIND QTY PART NO REV DESCRIPTION REFERENCE DESIGNATOR Base Refl_Crate 2 SHT 2 OF ANTENNA ASS Y ST88 21 PROD FAMILY COMMON EFF DATE 4 10 2012 DRAWING NUMBER 136759 1 REV A ...

Страница 131: ...3 60 68 4X 69 4X 51 SCALE 1 3 DETAIL B 58 58 59 4X 51 DETAIL C SCALE 1 3 55 59 58 4 4X 4X 50 REFLECTOR MFR SPECS REFERENCE ONLY DIAMETER D 2 1M 82 IN FOCAL LENGTH 0 78M 30 75 IN SEE LABEL OF REFLECTOR FOR EXACT VALUE F D 0 375 GAIN C BAND 37 8 dB KU BAND 46 6 dB N A BY WEIGHT JWM D C B A A B C D 1 2 3 4 5 6 7 8 8 7 6 5 4 N A 3 2 1 PROJECTION FINISH MATERIAL DRAWN BY APPROVED BY TITLE FIRST USED SI...

Страница 132: ...3648 1 K FEED ADAPTER PLATE 9 1 EA 111576 2 E BRACKET FEED COUNTERWEIGHT 16 IN 10 1 EA 112573 2 D WEIGHT TRIM 1 2 x 2 75 x 3 1 17 LB 30 1 EA 116686 A1 STOP MECHANICAL 50 4 EA 114576 146 SCREW FLAT HD PHIL 6 32 x 3 8 S S 60 3 EA 114590 189 SCREW SOCKET SET CUP 8 32 x 3 16 S 70 3 EA 114586 537 SCREW HEX HD 1 4 20 x 3 4 S S 71 3 EA 114586 556 SCREW HEX HD 1 4 20 x 7 8 S S 72 21 EA 114586 538 SCREW HE...

Страница 133: ... ITEM 4 TO SHOW TERMINATION BOARD IN CORRECT POSITION 2 22 12 N A A1 HT ROTATE ITEM 5 LNB 180 03 14 12 9430 B DETAIL B 50 60 SCALE 2 3 4X 3X 6 2X 78 79 10 76 77 78 73 9 3X 71 3X 76 76 3 77 1 79 4 5 72 76 76 72 79 10X 77 3 70 77 10X 2 14 8 LBS WEIGHT JWM D C B A A B C D 1 2 3 4 5 6 7 8 8 7 6 5 4 3 SURFACE ROUGHNESS 2 1 PROJECTION FINISH MATERIAL DRAWN BY APPROVED BY TITLE FIRST USED SIZE SCALE SHEE...

Страница 134: ...ABLE CLAMP NYLON 3 16 DIA 8 MTG 50 2 EA 114588 107 SCREW PAN HD PHIL 4 40 x 5 16 S S 51 2 EA 114588 108 SCREW PAN HD PHIL 4 40 x 3 8 S S 58 4 EA 114580 005 WASHER FLAT 4 S S 60 4 EA 119745 220 SCREW PAN HD PHIL M4 X10 S S 68 4 EA 114580 230 WASHER FLAT M4 S S 70 8 EA 114586 537 SCREW HEX HD 1 4 20 x 3 4 S S 71 2 EA 114586 543 SCREW HEX HD 1 4 20 x 2 S S 72 2 EA 114586 545 SCREW HEX HD 1 4 20 x 2 1...

Страница 135: ... X1 11 11 11 9082 A K D H ITEM 50 WAS QTY 4 ADD ITEM 51 2 3 12 9302 B SCALE 1 2 DETAIL A 2X 10 9 00 1 0 2 20 77 76 80 FACES FLUSH 4 4X 2 11 FACES FLUSH 1 2 77 4X 76 2 68 60 4X 3 80 2X 58 51 78 5 70 8X 4X 8X 8 8 72 2X 78 2X 6 4X 78 2X 71 58 50 JWM D C B A A B C D 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 WEIGHT PROJECTION FINISH MATERIAL DRAWN BY APPROVED BY TITLE FIRST USED SIZE SCALE SHEET NUMBER DRAWING N...

Страница 136: ...RADOME 126 NOT SHOWN 0 12 EA 117762 1 B SILICONE ADHESIVE WHT RTV 122 10 1 PL C1 B2 DC Radome_ACC_Box Radome_Crate 0 12 EA 117762 1 B SILICONE ADHESIVE WHT RTV 122 10 1 NOT SHOWN 0 1 EA 124818 2 B HARDWARE KIT MULTI PANEL RADOME 126 PL C1 B1 Radome_HW_Box Radome_Crate 1 SHT 1 OF RADOME ASS Y 126 INCH WHITE SIDE ACCESS PROD FAMILY COMMON EFF DATE 4 10 2012 DRAWING NUMBER 111678 9 REV L ...

Страница 137: ......

Страница 138: ...OME BASE PAN FAB 75 IN WHITE PL C2 Base Refl_Crate 3 1 EA 123728 2 A2 RADOME PAN ACCESS ASS Y WHITE PL C2 I1 w 130670 1 2 Base Refl_Crate 3 1 EA 123728 2 A2 RADOME PAN ACCESS ASS Y WHITE PL C2 I1 w 123724 1 2 Base Refl_Crate 3 1 EA 123728 2 A2 RADOME PAN ACCESS ASS Y WHITE PL C2 I1 w 123726 1 2 Base Refl_Crate 3 1 EA 123728 2 A2 RADOME PAN ACCESS ASS Y WHITE PL C2 Base Refl_Crate 61 6 EA 114586 54...

Страница 139: ... whole or in part for any purpose without the specific written authorization of Cobham PLC This restriction is applicable regardless of the source from which the document is obtained Any violation of this policy is a violation of the Trade Secrets Act and subject to prosecution to the fullest extent of the law INSTALLED WITH ITEM 2 AT SEA TEL NOTES UNLESS OTHERWISE SPECIFIED P N 131733 1 IN P N 12...

Страница 140: ...D C B A A B C D 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 SIZE SCALE SHEET NUMBER DRAWING NUMBER REV B 1 8 123723 D 2 OF 2 1 3 INTERNAL AC SPIDER MOUNTING BASE 8X 80 81 82 83 4 6X 63 62 62 61 2 4 1 2 6 ...

Страница 141: ......

Страница 142: ......

Страница 143: ......

Страница 144: ...M TO SMA 5 5 EA 114178 O ADAPTER F F F F BULLET 1 10 IN 6 1 EA 128385 12BLU C CABLE ASS Y RG 179 COAX SMA RA T 50 2 EA 114588 144 SCREW PAN HD PHIL 6 32 x 1 4 S S 51 6 EA 114580 007 WASHER FLAT 6 S S 52 4 EA 114588 145 SCREW PAN HD PHIL 6 32 x 5 16 S S 60 5 EA 119967 A1 NUT HEX PANEL 3 8 32 61 5 EA 119952 031 A1 WASHER STAR INTERNAL TOOTH 3 8 S 1 SHT 1 OF BASE MODEM RACK PANEL ASS Y 4CH TVRO 400MH...

Страница 145: ...ES UNLESS OTHERWISE SPECIFIED 2 IDENTIFY PER SEATEL SPECIFICATION 122930 APPENDIX D APPROX WHERE SHOWN SL BALLOON 52 WAS 50 04 18 11 N A B1 52 51 61 2X 51 1 4X 5X 2 50 3 4 60 5 5X 5X 2 6 Tel 925 798 7979 Fax 925 798 7986 N A N A SURFACE ROUGHNESS WEIGHT D C B A A B C D 1 2 3 4 5 6 7 8 8 7 6 5 ASS Y 4CH TVRO 400MHZ 4 3 2 1 PROJECTION FINISH MATERIAL DRAWN BY APPROVED BY TITLE FIRST USED SIZE SCALE ...

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