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Reduced transmission mode  

Transceiver  Configuration  

9-Nov-00 

Page 4-29 

 

A fishery vessel that sails at sea or a vehicle on the road returns its 
position, speed and course at regular intervals. The positions from 
a  vessel/vehicle shown in  Figure  17 indicates that the  ves -
sel/vehicle has moved as shown in Figure 18. 

 

Figure 17 Position, speed and course shown graphically 

 

Figure 18 Vessel/Vehicle  track 

Using reduced transmission mode will reduce the number of p os i-
tion, speed and course reports returned by the  vessel/vehicle. 
Figure  19 shows the position reports transmitted by the same ves -
sel/vehicle used in Figure 17 but with reduced transmission mode 
enabled. 

 

Figure 19 Reports from MES in reduced mode  

Содержание TT-3020C

Страница 1: ...VMS Capsat Transceiver TT 3020C TT 3022C TT 3022D and TT 3028CM Configuration Manual ...

Страница 2: ......

Страница 3: ......

Страница 4: ...Thrane Thrane VMS Capsat Transceiver TT 3020C TT 3022C TT 3022D and TT 3028CM Configuration Manual Copyright Thrane Thrane A S ALL RIGHTS RESERVED ...

Страница 5: ...nt is subject to change without notice and does not represent a commitment on the part of Thrane Thrane A S 2000 Thrane Thrane A S All right reserved Printed in Den mark Document Number TT98 112168 B Release Date 9 November 2000 ...

Страница 6: ......

Страница 7: ...egistration 3 2 3 2 TT 3028CM Dual Mode Fishery Transceiver 3 3 3 2 1 Making a SOLAS Fishery Transceiver 3 3 3 2 2 Ocean Registration 3 4 3 3 TT 3022D Fishery Transceiver 3 5 3 3 1 Ocean registration 3 5 3 4 TT 3022C Landmobile Transceiver 3 6 3 4 1 Making a Landmobile vehicle surveillance Transceiver 3 6 3 4 2 Ocean Registration 3 7 4 Transceiver Configuration 4 1 4 1 Configuring the VMS behaviou...

Страница 8: ...Position report packet 2 bit mask 4 20 4 1 23 Reporting intervals 4 21 4 1 24 Reporting interval change distance 4 22 4 1 25 VMS DNID and VMS LES 4 22 4 1 26 Number of active DNID in transceiver 4 23 4 2 Password protection 4 23 4 3 Automatic ocean region shift 4 26 4 4 Reduced transmission mode 4 27 4 5 Sleep mode 4 30 4 5 1 Setting up Sleep mode operation 4 31 4 6 Surveillance zones 4 33 4 6 1 S...

Страница 9: ...Table of Contents 9 Nov 00 Page iii ...

Страница 10: ......

Страница 11: ... 4 4 Figure 12 Antenna blocked Disconnected reports 4 6 Figure 13 Automatic change of reporting interval 4 8 Figure 14 In port button 4 12 Figure 15 Reduced Transmission Mode 4 28 Figure 17 Position speed and course shown graphically 4 29 Figure 18 Vessel Vehicle track 4 29 Figure 19 Reports from MES in reduced mode 4 29 Figure 20 Radius used to check for reduced transmission 4 30 Figure 21 Zone e...

Страница 12: ...Table of Figures Page vi 9 Nov 00 This page is intentionally left blank ...

Страница 13: ... Protected Commands 4 25 Table 5 Sleep Mode Command 4 32 Table 6 Possible zone shapes 4 34 Table 7 T T Remote Configuration 5 1 Table 8 T T Poll Command List 5 3 Table 9 Connection between entry number and parameters 5 7 Table 10 Connection between Zone type and Zone data 5 8 Table 11 Positive Open Connection acknowledgement 5 16 Table 12 Negative Open Connection acknowledgement 5 16 ...

Страница 14: ...Table of Tables Page viii 9 Nov 00 This page is intentionally left blank ...

Страница 15: ...020C Installation Manual document number TT98 107880 the TT 3028CM Installation Manual document number TT98 111327 the TT 3022D Installation Man ual document number TT98 107719 and the TT 3022C Installa tion Manual document number TT98 107307 This manual cover software versions from 3 28 and up 1 1 An introduction to terms This section describes the terms in vessel vehicle surveillance that are ne...

Страница 16: ... the Inmarsat C transceiver otherwise t he transceiver will not know where to send it This address is called the VMS DNID and VMS LES Figure 2 shows an antenna blocked position report being sent to recipient LES 312 and DNID 12345 Thrane Thrane P o w e r Set L o g i n S e n d Mail TT 3022C TT 3022D TT 3020C TT 3028CM TT 3022C Antenna Blocked 55 44N 12 28E 11 37 am 10 knot 120 degree To VMS LES 312...

Страница 17: ...ries with the dif ferent producer of LES Position reports as transmitted by the Inmarsat C transceiver are one or two 15 bytes data packets on the satellite link but this i nfor mation is packed into a DNID format before it is transmitted to the vessel vehicle surveillance centre Therefore it is the DNID format that is being described throughout this manual 1 2 Short feature description The Thrane...

Страница 18: ...ur status Storing of up to 100 position reports when outside Inmarsat coverage Configurable macro codes for different events Possibility of retransmission of failed reports Possibility of hiding transmission Not applicable for SOLAS transceiver Sleep mode where the transceiver automatic turns off to save power when not sending Not applicable for SOLAS trans ceiver Differentiation between Power dow...

Страница 19: ...Transceiver A short list of the missing features are listed in the following A more comprehensive description of the feature is given in the rele vant sections of this manual Nice Power Down Support Please see section 4 1 8 Disable Send LED on position report TX Please see section 4 1 9 Position report packet 2 bit mask Due to the fact that no GMDSS Message Terminal supports this feature Please se...

Страница 20: ...Introduction Short feature description Page 1 6 9 Nov 00 This page is intentionally left blank ...

Страница 21: ...Vessel Monitoring Unit and the Vessel Monitoring Centre 2 1 DNID Common Format The format of the DNID file on the LES depends on the configura tion of LES DNID account In the following it is assumed that the DNID files are stored using API headers Please reed more in about API headers in the document TT 6000 Inmarsat C Land Earth Station API Header Description In Figure 3 the common API Header is ...

Страница 22: ...t from satellite side message reception see note 1 11 LES ID 1 byte LES ID can be used for identification of ocean region for multi ocean LES s 12 Data Length LSB 2 bytes 13 Data Length MSB Number of data bytes following the header 14 Stored time LSB 4 bytes 15 16 17 Stored time MSB Giving the time of message store The bytes given will be the number of seconds since January 1 1970 0 0 0 18 DNID LS...

Страница 23: ...t 2 bits The Category is set to 01B Maritime in all Position Reports gen erated by the TT 3020C SOLAS Fishery the TT 3028CM Dual Mode SOLAS GMDSS Transceiver the TT 3022D Non SOLAS Fis hery transceiver and the TT 3022C Land Mobile Transceiver if confi g ured for VMS 01B indicates that the position in the report comes directly from the build in GPS in the transceiver A category field dif ferent fro...

Страница 24: ...ts The integer part of the Minutes of latitude 1 minute being 1 nautical mile 1852 meters Fractional part 5 bits The fractional part of the Minutes of latitude in units of 0 04 of a Minute i e 74 meters Longitude 20 bits Longitude Hemisphere Degrees Minutes Fractional part Hemisphere 1 bit An East West flag Set to 0 for East or 1 for West Degrees 8 bits The degrees of Longitude East or West Minute...

Страница 25: ...nted by a unique 7 bit code Please refer to section 4 1 20 for detailed description of Macro Encoded Messages 2 1 2 4 Attribute date and time 16 bits Date Time is put in this field and coded as Date time not used day hour minute not used 1bit Always 0 day 5 bits day of the month hour 5 bits hour of the day minutes 5 bits in units of 2 minutes 2 1 3 Second Part of Positioning Report 30 Speed 8 bit ...

Страница 26: ...1 3 1 Speed 1 byte Speed is coded as a one byte unsigned binary number with a res olution of 0 2 knots If no valid data is available at the MES the field should be set to FFH 2 1 3 2 Course 9 bits The Course is coded as a 9 bit unsigned binary number with a resolution of 1 degree 2 1 3 3 Reserved 15 bits Unused and set to zero ...

Страница 27: ...applications When the transceiver has installed software version V3 24 or above is approved for both GMDSS and fishery surveillance Figure 6 TT 3020C Maritime Capsat Transceiver When receiving the transceiver the TT 3020C is default set to SO LAS Maritime behaviour i e no fishery surveillance is enabled Some configurations are necessary before setting the transceiver on air to fulfil the VMS requi...

Страница 28: ... The transceiver will automatically reboot when changing trans ceiver type and after power up identify itself as a SOLAS Fishery transceiver TT 3020C SOLAS Fishery does not allow external position to set the position of t he transceiver and therefore NMEA input is dis abled 3 1 2 Ocean Registration When the transceiver is configured for SOLAS Fishery the trans ceiver will automatically login to th...

Страница 29: ...re 7 TT 3020C Maritime Capsat Transceiver When receiving the transceiver the TT 3028CM is default set to SOLAS Maritime behaviour i e no fishery surveillance is enabled Some configurations are necessary before setting the transceiver on air to fulfil the VMS requirements 3 2 1 Making a SOLAS Fishery Transceiver To change the TT 3028CM SOLAS Maritime transceiver into a TT 3028CM SOLAS Fishery trans...

Страница 30: ...ng trans ceiver type and after power up identify itself as a SOLAS Fishery transceiver TT 3028CM SOLAS Fishery does not allow external position to set the position of the transceiver and therefore NMEA input is dis abled 3 2 2 Ocean Registration When the transceiver is configured for SOLAS Fishery the trans ceiver will automatically login to the ocean region with the best sig nal if not already lo...

Страница 31: ... without fishery surveillance Some configurations are necessary b efore setting the transceiver on air to fulfil the VMS requirements Figure 8TT 3022D Fishery Capsat Transceiver 3 3 1 Ocean registration The TT 3022D transceivers will always automatically login into the ocean region with the best signal if the transceiver is logged out of the Inmarsat network However the preferred ocean can be conf...

Страница 32: ... configurations are necessary before setting the transceiver on air to fulfil the VMS requirements 3 4 1 Making a Landmobile vehicle surveillance Transceiver To change the TT 3022C Landmobile transceiver into a TT 3022C Landmobile vehicle surveillance transceiver th e command SE B must be executed in the transceiver terminal The SE B command enters the system parameter initialisation menu Menu ent...

Страница 33: ...s configured for vehicle surveillance the transceiver will automatically login to the ocean region with the best signal if not already logged in Using the transceiver terminal command SET O the preferred ocean can be configured and the transceiver will try to login into this preferred ocean when going on air for the first time ...

Страница 34: ...Initial setup of transceiver TT 3022C Landmobile Transceiver Page 3 8 9 Nov 00 This page is intentionally left blank ...

Страница 35: ...ality needs to be enabled It de pends on the requirement of the VMS project 4 1 Configuring the VMS behaviour In this chapter each entry in the fishery configuration menu in the transceiver will be described in details The fishery configuration is also the configuration to use in case of land mobile VMS configura tion The fishery configuration menu is entered using the transceiver terminal command...

Страница 36: ...2 Mask out speed and course no 33 Disable GPS first fix beep no 34 A in provider downloads VMS DNID no 35 Use VMS DNID for special reports no 36 Hide remote connections no 37 Keep inactive connections no 40 MEM Code translation table HEX 0B 40 42 44 45 50 51 52 53 55 56 57 58 46 47 50 Position report packet 2 bit mask HEX 00 00 00 00 00 00 00 00 51 Number of positions in storage queue 0 60 Reporti...

Страница 37: ...art of date and time information is identical for all con figurations and the information is held in the API header Figure 3 and in the first part of the position report Figure 4 If more detailed information is required the date and time format can be extended in three different ways This functionality is configured by entering 10 in the fishery com mand entry 4 1 3 1 Setting 1 default position re...

Страница 38: ...year added to 1997 Figure 11 Position report format 1 4 1 3 3 Setting 3 position report format 2 If Date and time format entry is set to Format 2 a more detailed description of month year and minute is included in the position report Additional date of position information is coded as Extended Attribute S Year Month Day Hour Minutes not used 34 35 36 Extended Attribute 28 bits Detailed time of GPS...

Страница 39: ... format 3 If Date and time format entry is set to Format 3 full year description is included in the position report Additional date of position information is coded as Additional date of position S Year Month Day Hour Minutes not used 34 S Year 1 bit spare 12 bit Year gives exact year 0000 4095 35 Month 4 bit Month 1 12 full month information 36 Day Ho 5 bit Day 1 31 day of the month same field as...

Страница 40: ... Time when position reports are send First report includes position before blockage Second report includes current position Figure 12 Antenna blocked Disconnected reports The functionality is configured by entering 20 in the fishery com mand entry 4 1 5 Retransmit fail reports If this entry is set to Yes a failed report will be retransmitted I e a failed antenna blocked position report will cause ...

Страница 41: ... 22 in the fishery com mand entry 4 1 7 Long to short report interval change This feature enables the transceiver to have two different position reporting intervals A long reporting interval for use when the ves sel vehicle has not moved more that 400 meters since last report and a short interval at all other times If the entry is set to Yes and an Inmarsat PU interval connection is set up for the...

Страница 42: ...ed because vessel has moved Figure 13 Automatic change of reporting interval This feature is useful when a vessel is in harbour or vehicle is in home town because this will reduce the number of position reports and will therefore also reduces the cost of positioning reporting The functionality is configured by entering 23 in the fishery com mand entry 4 1 8 Nice power down support Please notice th...

Страница 43: ...ation of the transceiver is sleep mode func tionality disabled If Nice power down support is set to Yes and Sleep mode is con figured as SL i 0 0 0 0 then If the supply power is removed abruptly then the transceiver will indicate this by sending Power Down Report and Power Up Report when supply power has been re established The Power Down Report includes the last known position before the power wa...

Страница 44: ...MES P r e s s b o t h k e y s f o r 5 s e c o n d s t o s e n d a l a r m Enter Sleep Mode Report position report If Nice power down support is set to No and Sleep mode is con figured as SL c then If the supply power is removed abruptly using the remote switch then the transceiver will indicate this by sending Power Down Report and Power Up Report when supply power has been re established The Powe...

Страница 45: ...ity is configured by entering 26 in the fishery com mand entry 4 1 10 Stop button initiates position report The stop button can be configured for two different purposes Ei ther it will cause the transmission of a manually initiated position report or it will set the transceiver in In Port mode where the num ber of position reports are reduced The feature is configured by entering 27 in the fishery...

Страница 46: ...as described in section 4 1 10 1 however if a Inmarsat PU interval connection is set up for the VMS DNID then the connection will be changed to the long reporting interval as described in section 4 1 23 Reporting intervals Position time Harbor position Short interval Manual position report Long interval In harbor button pressed Figure 14 In port button This feature is useful when the vessel is in ...

Страница 47: ...dden from the operator The feature is configured by entering 28 in the fishery command entry 4 1 12 Password on da command If this entry is set to Yes then the transceiver terminal command DATA is password protected i e prohibiting the operator from sending data reports using an external Message Terminal includ ing the TT 3606E Message Terminal DNID menu The DATA terminal command is used to transm...

Страница 48: ... e no speed course or extended information is transmitted The fields described in Figure 5 Second Part of Pos i tion Report are not send and this reduces the number of position reports transmitted from the vessel vehicle by 50 and cons e quently reduces the price of the position report The entry can also be controlled remotely via the satellite link i e it is possible using special T T poll to cha...

Страница 49: ...tes that the unit is trans mitting the power up position report that might should be hidden from the operator It is recommended that this entry is set to No to ease remote d iag nostics in case of equipment problems The feature is configured by entering 33 in the fishery command entry 4 1 16 A in provider downloads VMS DNID If this entry is set to Yes it is possible to download the VMS DNID LES pa...

Страница 50: ...mended because it allows global coverage using 4 VMS DNID LES pairs The special reports are all types of position reports except inter val position report i e Normal Position Report after Antenna Blockage Disconnec tion Power Up Report Power Down Report Antenna Disconnection Report Antenna Blockage Report Manual Position Report Stored Position Report Interval position reports to VMS DNID LES pairs...

Страница 51: ...upported if this entry is No The feature is configured by entering 35 in the fishery command entry 4 1 18 Hide remote connections If more than one VMS interval connection is required because other authorities would like to survey the vessel vehicle this entry should be set to Yes Setting this entry to Yes will make the transceiver hide all remote connections Inmarsat PU interval connection from th...

Страница 52: ... normally removed but setting this option to yes will pre vent the removal The feature is configured by entering 37 in the fishery command entry 4 1 20 MEM Code translation table This entry is used to define the MEM codes used in each transmit ted position report There is no restriction on what value that is a s signed to a Macro Encoded Message but please note that Inmar sat has predefined some M...

Страница 53: ...5 I O Status Report 47H Table 3 Default Macro Encoded Messages Please notice that Macro Encode Messages 6 7 8 and 9 are unavailable in the TT 3020C TT 3028CM SOLAS Fishery Trans ceivers due to the fact that Sleep Mode not is implemented in the SOLAS Transceivers I O Status Report 15 is only available in the TT 3022C landmobile transceivers The feature is configured by entering 40 in the fishery co...

Страница 54: ...nsures 3 minutes of NCS TDM listening between every report which will allow EGC reception like safety calls or weather forecasts The interval used for storage of positions in non volatile memory is the short interval specified in the fishery configuration see section 4 1 23 Reporting intervals The first position stored is spaced this short interval from the time of signal lost e g if short interva...

Страница 55: ...he positioning report Currently the TT 3606E Mes sage Terminal does not support this option A Message Terminal used for the TT 3020C TT 3028CM SOLAS Fishery Transceiver must be approved by Inmarsat and therefore only very few Message Terminals are suited to fit this transceiver The TT 3022D Fishery Transceiver can however have various Message Terminals data terminals connected and a Message Termin...

Страница 56: ...o short report interval change is changed and the dif ferent reporting intervals are configured as described in section 4 1 24 Reporting interval change distance The field is configured by entering 61 in the fishery command entry 4 1 25 VMS DNID and VMS LES This entry is used to specify which DNIDs in the DNID list that are VMS DNIDs Polls to the transceiver thatchanges the configuration of the tr...

Страница 57: ...owed to be active as positioning reporting DNIDs Up to 25 DNIDs can be downloaded but the number of active DNID can be limited using this command Only active DNID can b e used for position reporting This entry can be used to limit the access to local configured position reporting It is however not recommended that the default value of 25 is changed because it reduces the functionality of the syste...

Страница 58: ...lows passwords up to 8 characters The terminal command SET D N is used to enter a new pas s word When password protection is applied some features cannot be accessed more unless the password is known In Table 4 is listed the transceiver terminal commands that are prohibited from being used when password protection is applied to the Fishery trans ceiver ...

Страница 59: ...uced transmission mode SE H always Sleep mode SL always Performance Verification Test TE FI 35 No Change Mobile ID number SE U FI 35 No Open a local connection PG O FI 35 No Close a local connection PG C FI 35 No Program a local connection PG P FI 35 No Initiate interval reporting on a local connection PG I FI 35 No Stop interval reporting on a local connection PG S FI 35 No Display a local connec...

Страница 60: ...r signal strength This configuration is very useful when thevessel vehicle operates in dif ferent ocean regions The configuration is done by setting the environment variable OCEANSHIFT to either YES or SIGNAL se z OCEANSHIFT YES The Transceiver will make an automatic login to a new NCS if the GPS position of the Transceiver has changed to make another ocean area a better choice The environment var...

Страница 61: ... reducing the efficiency of the surveillance The transceiver can be configured to two different reduced trans mission modes as illustrated inFigure 15 Reduced Mode 1 normally just called Reduced Mode and Reduced Mode 2 also known as Advanced Reduced Mode The configuration of the mode is done using the following trans ceiver terminal command SE H SE H 1 configures the transceiver to Reduced Mode 1 ...

Страница 62: ...poll the transceiver transmits Enter Reduced Transmission Mode Report Leave Reduced Transmission Mode Report Ÿ Sleepmode interval wakeup position reports are only transmitted if the current position is outside the radius as specified in FI 61 Reporting interval change distance of the position in the last transmitted position report Ÿ In Sleep Mode Report are changed to In Reduced Transmission Mode...

Страница 63: ...ates that the ves sel vehicle has moved as shown in Figure 18 Figure 17 Position speed and course shown graphically Figure 18 Vessel Vehicle track Using reduced transmission mode will reduce the number of p osi tion speed and course reports returned by the vessel vehicle Figure 19 shows the position reports transmitted by the same ves sel vehicle used in Figure 17 but with reduced transmission mod...

Страница 64: ...duced transmission 4 5 Sleep mode Please notice that this command is not supported in the TT 3020C SOLAS Fishery Transceiver nor in the TT 3028CM Dual Mode SOLAS Fishery transceiver When the transceiver is turned OFF ON using the remote power supply pin in DC connector X1 Remote Switch then the trans ceiver can be used in configurations where automatically power up at regular intervals is preferre...

Страница 65: ... from the transceiver No matter the configuration the ON OFF button S1 Main Power Switch on the rear panel of the transceiver will always have same effect as cutting the main power supply i e a power loss situation 4 5 1 Setting up Sleep mode operation Purpose Control sleep mode operation Format SLeep options ...

Страница 66: ...f the transceiver in case of main power failure or the master power switch is switched OFF at the time of a wake up M 0 The Transceiver will not wake up until next day exactly 24 hours later if the main power has been restored at that time Otherwise the wake up will be postponed for further 24 hours M 1 The Transceiver will wake up 1 hour later if the main power has been restored at that time Othe...

Страница 67: ...pairs but if this occurs after Enter Sleep Mode Report the transceiver will in addition to the power fail reports transmit a Leave Sleep Mode Report When the transceiver goes to sleep again because Remote Switch is still OFF a new Enter Sleep Mode Report will be transmitted 4 6 Surveillance zones A surveillance zone is a geographical area with a reporting interval to be used when the vessel vehicl...

Страница 68: ...h 4 positions Max angle between sides 180 4 Polygon with 5 positions Max angle between sides 180 5 Polygon with 6 positions Max angle between sides 180 6 Polygon with 7 positions Max angle between sides 180 7 Polygon with 8 positions Max angle between sides 180 Table 6 Possible zone shapes Figure 21 Zone example Examples of zones Zone 1 is a valid type 3 zone Zone 2 is invalid because of the angle...

Страница 69: ...has to be created using zone n before the interval and positions can be entered Note The Number of positions in storage queue in fishery menu item 51 please see section 4 1 21 must be less than 100 when using surveillance zones Options d zonenumber Displays the zone configuration Use zonenumber to select a specific zone i zonenumber reporting interval Add Change the reporting interval in a zone re...

Страница 70: ...dius 1 65535 p zonenumber positionnumber lat deg lat min lat dsec hemNS lon deg lon min lon dsec hemEW Add Change a position in a zone positionnumber 1 8 lat deg 0 90 lat min 0 59 lat dsec 0 99 hemNS n N s S lon deg 0 180 lon min 0 59 lon dsec 0 99 hemEW e E w W r zonenumber Remove a zone Common parameters zonenumber 1 255 ...

Страница 71: ...his poll is used to configure the transceiver remotely Table 7 T T Remote Configuration The Inmarsat defined individual poll format is Individual MES ID LESID Subadr DNID Resp Spare Poll Ack Command Type Seqno Datapart The individual T T remote configuration poll has the following for mat Poll Ack 1bit If this bit is set the transceiver will send a acknowledgement Data Report acknowledging the rec...

Страница 72: ...mat as the Inmarsat packet descriptor short and medium packet descriptor are sup ported Packet Descriptor Short Packet Descriptor or Packet Descriptor Medium Packet Descriptor Short Packet Descriptor Short Packet Descriptor Short Type Length Short 1 bit Value 0 Type 3 bit This field contains the command type that must be executed in the transceiver Please refer to 0 Length 4 bit Number of bytes fr...

Страница 73: ...table below shows command types supported Type Meaning 00 Fishery Configuration 01 Zone Configuration Table 8 T T Poll Command List AckRef AckRef Spare Command No Spare 3 bit Value 0 Command No 5 bit Current command reference number Each command in this con figuration poll must have a unique number This number is used in the acknowledgement poll to acknowledge the individual com mands in the confi...

Страница 74: ...iguration Page 5 4 9 Nov 00 Checksum 16 bit The AckRef and Type dependent fields are included in check sum calculation Checksum is calculated in the following way same wayas the checksum for normal Inmarsat packets Figure 22 Poll Command Checksum Calculation ...

Страница 75: ... 5 5 2 Fishery Configuration FI command Poll Type dependent fields Type dependent fields Entry No Parameters Entry No 1 byte First parameter of the FI command This is the entry of FI configura tion what is normally entered in Enter field number Parameters The parameters field depends on the entry number ...

Страница 76: ...initiates position report Value 0 1 or 2 Size 1 byte 28 Disable position report infos Value 0 or 1 Size 1 byte 29 Password on da command Value 0 or 1 Size 1 byte 31 Only 1 packet per position report Value 0 or 1 Size 1 byte 32 Mask out speed and course Value 0 or 1 Size 1 byte 33 Disable GPS first fix beep Value 0 or 1 Size 1 byte 35 Use VMS DNID for special reports Value 0 or 1 Size 1 byte 36 Hid...

Страница 77: ... from 15 to 65535 The distance has the size of 2 bytes and must be specified with LSB followed by MSB Size 2 bytes 72 Number of active DNID in transceiver Value 0 100 Size 1 byte Table 9 Connection betweenentry number and parameters 5 3 Zone Configuration Poll Type dependent fields Type dependent fields Zone header Zone data Zone header 4 bytes Zone header Zone No Zone type Zone reporting interval...

Страница 78: ...5 Polygon with 6 sides Pos1 Pos2 Pos3 Pos4 Pos5 Pos6 6 Polygon with 7 sides Pos1 Pos2 Pos3 Pos4 Pos5 Pos6 Pos7 7 Polygon with 8 sides Pos1 Pos2 Pos3 Pos4 Pos5 Pos6 Pos7 Pos8 Table 10 Connection between Zone type and Zone data Radius 2 bytes Value 1 65535 km LSB MSB Pos 40 bit Pos Latitude Longitude Spare Latitude 19 bit Latitude Hemisphere Degrees Minutes Fractional part Hemisphere 1 bit A North S...

Страница 79: ...ast West flag Set to 0 for East or 1 for West Degrees 8 bit The degrees of Longitude East or West Minutes 6 bits The integer part of the Minutes of longitude Fractional part 5 bits The fractional part of the Minutes of longitude in units of 0 04 of a Minute Spare 1 bit Spare bit set to zero 5 4 VMS Set up Acknowledgement When the transceiver has received the T T Remote Configuration poll and if ac...

Страница 80: ... Command 1 byte Set to same value as the poll command being acknowledged For Remote configuration poll this field has the value 6CH The most significant bit in the command field is the acknowledgement bit described in 0 Data Extended acknowledgement of the outcome of the configuration change is added to the acknowledgement data report in the Data field Data Result code Extended result field Result...

Страница 81: ...s found in Extended result field Extended result field for remote configuration poll Result1 Command No1 Result27 Command No27 Result 3 bit This is the result code of the configuration command Result code Meaning Applies to command type see Table 8 0 No error configuration performed correctly 00 and 01 1 Unknown command 00 and 01 2 Invalid number of parameters 00 and 01 3 No access 00 and 01 4 Inv...

Страница 82: ...nd No pairs can be in cluded in the response 5 5 Fishery Set up Poll Example The following example shows poll illustrated in Figure 23 send from the LES using T T PSTN PSDN dialup interface The DATA prefix used to send binary data from the LES is NOT shown Please refer the T T document TT 6000 Inmarsat C Land Earth Station API Header Description for a detailed description of the LES interface ...

Страница 83: ...I 00H Length FI 30 05H Spare 000 Command No e g 05H Entry No FI 31 1FH Parameter1 FI 31 YES 01H Checksum 4E8DH Short 0 Type FI 00H Length FI 31 05H Spare 000 Command No e g 06H Entry No FI 32 20H Parameter1 FI 32 NO 00H Checksum 5288H Only 1 packet per pos report YES Mask out speed and course NO Remote configuration poll Inmarsat packet descriptor and checksum not shown Spare Result Code FI result...

Страница 84: ... 108 0 0 0 1 00 05 05 1F 01 8D 4E 05 06 20 00 88 52 The value enclosed in brackets is the hexadecimal value of the byte send to the LES interface 5 6 VMS connection for multiple ocean regions The command type is 7CH The poll must be addressed to sub address 1 The text field of the open connection poll contains the LES id DNID pairs A connection can contain only one LES id DNID pair for each ocean ...

Страница 85: ...the LES no The poll must be addressed to a DNID which is given in the list of DNID s and specified as VMS DNID in the fishery configuration Example poll 1 i 12345 n 1 491234567 124 67 P8 P9 1 followed by these bi nary data 00h Spare 02h No of LES DNID Pair 5Fh LES ID East 31 39h 30h DNID No 12345 43h Member No 67 DFh LES ID Indian 31 39h 30h DNID No 12345 43h Member No 67 If the poll was successfu...

Страница 86: ...de 1 16 bit Checksum 8 bit Spare 8 bit Connection no 8 bit CN connection no Table 11 Positive Open Connection acknowledgement The value of the checksum field is adjusted so a modulus 256 sum from and including the result code field is zero For all other Result codes the acknowledge report of Open Con nection will be 1 0 0 0 0 0 0 0 Command 8 bit Sequence Number 8 bit Spare 16 bit Result code 16 bi...

Страница 87: ...bit Figure 25Sleep mode Set up Poll where T1 0 24 Duration in hours the transceiver sleeps between wake ups If T1 0 then there are no periodic wake ups defined HH 0 23 MM 0 59 HH MM specifies the time UTC for Fix Time wake up T2 0 60 Duration in minutes of Fix Time wake up Setting T1 0 and T2 0 is equivalent to using the sl c command Example of Sleep mode set up poll poll 1 i 12345 n 1 491234567 1...

Страница 88: ...ode 16 bit Figure 26 Sleep mode Acknowledge Report 5 8 Reduced transmission mode set up poll The command type is 6BH The poll must be addressed to sub address 1 The purpose of this poll is to allow remote setting up of reduced transmission mode Reduced Transmission Mode 8 bit Figure 27 Reduced Mode Set up Poll where Reduced Transmission Mode 30H equivalent to the se h 0 command 31H equivalent to t...

Страница 89: ...5 19 Example of Reduced transmission set up poll poll 1 i 12345 n 1 491234567 107 67 P8 P9 1 followed by one of three bytes 30h or 31h or 32h The acknowledgement report will be 1 0 0 0 0 0 0 0 Command 8 bit Sequence Number 8 bit Spare 16 bit Result code 16 bit Figure 28 Reduced Mode Acknowledge Report ...

Страница 90: ...Remote configuration of the transceiver via poll Reducedtransmission mode set up poll Page 5 20 9 Nov 00 This page is intentional left blank ...

Страница 91: ...s a position report will result in a Bad Parameter s error if the 2 significant bits of the first byte transmitted to the transceiver is binary 01B i e 01xxxxxxB hex value 40H 7FH The reason is that without a position in the report the first byte send to the transceiver is byte 6 of the first packet in an Inmar sat data report The 2 significant bits in byte 6 is the category field described in det...

Страница 92: ...Message terminal In TT 3022D setting up the routing to printer only and having terminal command SE Z PRINTER OFF will result in mes sages being receive but send directly to the garbage can Please be aware of that the transceiver is billed for this mes sage even though it was never seen as received Setting up the EGC reception as appropriate ...

Страница 93: ... Automatic ocean region shift 4 26 C Checksum 5 4 D Data packets 1 3 Date format 1 4 4 3 Default 4 3 DNID 1 1 active 4 23 format 2 1 DNID file 1 3 E EGC reception 4 20 6 2 F FI command 4 1 FISHERY command 4 1 G GMDSS 1 5 GPS blockage 4 7 H Hide remote connections 4 17 Hiding transmission 1 4 ...

Страница 94: ...r switch 4 31 Manual position report 1 4 4 11 MEM codes 4 18 Member numbers 1 1 Mini M phone 3 3 N nc 4 1 NCS Channel 4 1 Id 4 1 Nice power down 1 4 O Ocean Automatic shift 4 26 Region 3 2 Registration 3 2 OCEANSHIFT variable 4 26 One packet 4 14 Open connection poll 5 14 Outside Inmarsat coverage 1 4 P Password 4 13 Password protection 1 4 4 24 ...

Страница 95: ... 4 27 Remote configuration 1 4 Remote configuration poll 5 1 Remote switch 4 30 Reporting interval 1 3 4 21 Retransmission 1 4 4 6 S Send LED 4 11 Sleep mode 1 4 4 30 Configuring 4 31 SOLAS 1 5 Special reports 4 16 Stop button 4 11 Storing of positions 1 4 4 19 Surveillance zones 4 33 T Time format 1 4 4 3 Tips 6 1 TT 3022C 3 6 TT 3020C 3 1 TT 3022D 3 5 TT 3028CM 3 3 ...

Страница 96: ...Index Page 7 4 9 Nov 00 V Vessel surveillance centre 1 1 VMS DNID 4 15 4 16 4 22 4 23 LES 4 22 VMS Data Network Id 1 1 X X 25 1 3 Z Zones 4 33 ...

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