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Inmarsat BRM User Manual

Bgan radio module terminal development kit
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BGAN Radio Module Terminal
Development Kit User Guide
Version 1.9
Publication Date: 08-Nov-2018
While the information in this document has been prepared in good faith, no representation, warranty, assurance or undertaking (express or implied) is or will be made, and no responsibility or liability (howsoever arising)
is or will be accepted by the Inmarsat group or any of its officers, employees or agents in relation to the adequacy, accuracy, completeness, reasonableness or fitness for purpose of the information in this document. All
and any such responsibility and liability is expressly disclaimed and excluded to the maximum extent permitted by applicable law. INMARSAT is a trademark owned by the International Mobile Satellite Organisation, the
Inmarsat LOGO is a trademark owned by Inmarsat (IP) Company Limited. Both trademarks are licensed to Inmarsat Global Limited. All other Inmarsat trade marks in this document are owned by Inmarsat Global
Limited.
      Confidential and Proprietary © Inmarsat Global Limited 2018. All rights reserved.

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  • Page 1 While the information in this document has been prepared in good faith, no representation, warranty, assurance or undertaking (express or implied) is or will be made, and no responsibility or liability (howsoever arising) is or will be accepted by the Inmarsat group or any of its officers, employees or agents in relation to the adequacy, accuracy, completeness, reasonableness or fitness for purpose of the information in this document. All and any such responsibility and liability is expressly disclaimed and excluded to the maximum extent permitted by applicable law.

  • Page 2: Table Of Contents

    Accessing the BRM WebUI 7: Telnet Sessions 8: Physical Layer Testing 8.1: Running PHY MTRs on a Standalone BRM 8.2: Running PHY MTRs on a BRM and FEM 2:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...
  • Page 3 10.4: Debug GNSS 10.5: Notifications 10.5.1: REST Command Notifications 10.6: Messaging 10.6.1: Synchronous and Asynchronous SMS Sending Process 10.6.1.1: Synchronous 10.6.1.2: Asynchronous 10.6.2: SMS Encoding and Sending/Receiving 10.7: Configuration 10.7.1: Bypassing Antenna Pointing Mode 3:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...
  • Page 4 A.1: Steered Antenna Control A.1.1: Example With Receiver Incorporated into the Antenna A.1.2: Example With Antenna Using the BRM Receiver Appendix B: BRM Closed Loop Transmit Operation with Power Splitter 4:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide...
  • Page 5 C.1: Procedure C.1.1: Black FEM C.1.2: Green FEM C.1.3: All FEMs C.2: BGAN Sub-Class Check C.3: BGAN GID3 Value Check Appendix D: Troubleshooting 12: Glossary 5:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 6: 1: Version History

    Version Date Description 08-Nov-18 - Added BRM Noise Figure Measurements using the RESTful Interface to the list of reference documents - BRM and FEM versions updated to 5.9 respectively. - Note added to section "10.1.2: Remote Firmware Upgrade", to explain if no hostname or path is specified, the default values will be used.

  • Page 7: 2: Conventions-Brm

    Note: Key points are shown in this format. Bold font indicates commands, keywords and text labels on GUI items. Italic font indicates titles of other documents in the suite of BRM-related documentation. Monospace font indicates text that you must enter.

  • Page 8: 3: Safety Instructions / Consignes De Sécurité / Sicherheitshinweise

    WARNING indicates a potentially hazardous situation which, if not avoided, could result in serious injury. AVERTISSEMENT indique une situation potentiellement dangereuse qui, si elle n'est pas évitée, pourrait entraîner des blessures graves. 8:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 9: Messages Concerning Property Damage / Messages Concernant Des Dommages Matériels / Meldungen Über Sachschäden

    Art der Gefahr (zum Beispiel Feuer oder elektrischer Schock) hinzuweisen. Falls weitere Gefahrensymbole in diesem Dokument verwendet werden, sind sie in diesem Abschnitt aufgeführt. 9:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 10: 1: Additional Symbols / Les Symboles Supplémentaires / Zusätzliche Symbole

    Maintain a distance of 1 m or more from the front of the TDK antenna. 10:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...
  • Page 11 +15ºC to +35ºC. Avoid placing the TDK close to cigarettes, open flames or any source of heat. Changes or modifications to the TDK not expressly approved by Inmarsat will void the Warranty and could void your authority to operate this equipment.
  • Page 12 TDK près de travaux de dynamitage en cours. Respectez toutes les restrictions et suivez toutes les instructions ou la règlementation. Les zones présentant une atmosphère potentiellement explosive sont généralement, mais pas toujours, clairement signalées. 12:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...
  • Page 13 Herzschrittmacher Die unterschiedlichen Marken und Modelle verfügbarer Herzschrittmacher weisen sehr unterschiedliche Unempfindlichkeiten gegenüber radiofrequenter Strahlung auf. Daher sollten sich Personen mit Herzschrittmachern die ein Satellitenterminal benutzen wollen von einem 13:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...
  • Page 14 Orages Electriques L’installation d’un terminal satellite pendant un orage électrique peut entrainer des blessures graves ou mortelles. Gewitter Installation des TDK während eines Gewitters kann zu ernsthaften Verletzungen oder zum Tod führen. 14:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 15: 4: Introduction

    Front End Module (FEM) (Revision 2, with Firmware version 1.23) The TDK is a pre-certified terminal development kit allowing the BRM to be evaluated and used as a starting point to develop BRM based terminals and applications. The kit is supplied pre-configured as a Class 2 terminal suitable for “on-air”...

  • Page 16: Approval For On Air Use

    4.2: Approval for On Air Use The BRM and TDK components are pre-certified and configured for use on air as a Class 2 Terminal. The BRM and TDK components cannot be used on air in any other configuration without Inmarsat approval.

  • Page 17: 5: Product Description

    5.3: Main Features of the HDK 5.3.1: HDK Motherboard The HDK motherboard is used for mounting and interfacing to the BRM. It incorporates all the essential items needed for a VAM to evaluate and develop terminals with the BRM. These include: >...

  • Page 18: 2: Reference Front End Module

    5.3.2: Reference Front End Module The Front End Module (FEM) contains the HPA, LNA and duplexer needed to use the BRM as a terminal. The FEM is supplied as an example reference design configured for BGAN Class 2 operation but capable of meeting the RF performance requirements for all BGAN land and maritime classes. Some further development work is typically required to adapt the reference design for use within a specific production ready terminal design.

  • Page 19: 3: Tdk Specifications

    Storage Temperature: 40 to 80 °C Power Supply Input: 100 - 240 V AC Output: +12 V DC, 4.2A Manufacturer: CUI.inc Part Number: SDI50-12-U-P5 19:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 20: 6: Setting Up The Terminal Development Kit

    RF leads are part of the calibrated terminal. The labelled cables must be used as marked, i.e., the TX cable must be connected between the TX connectors on the BRM and FEM; RX cable must be connected between the RX connectors on the BRM and FEM, etc.

  • Page 21: Connecting The Hughes 9502 Antenna To The Fem

    The LED configuration on the HDK should look as shown in Figure 2 , with the D5, D6 and D9 LEDs static green, and D3 and D1 blinking at different rates. 21:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 22: Accessing The Brm Webui

    LED = RX idle (It will take about 30 seconds after power is first supplied to the TDK, before the D1 LED is in a slow-blinking green light state, because the BRM will only exit low power mode after being switched on once a GNSS/GPS fix has been established) >...
  • Page 23 Double-click Internet Protocol Version 4. It should be set to Obtain an IP Address automatically, or, you can set a static IP as long as it is in the subnet 192.168.1.0/32, i.e., anything apart from the BRM default IP address in that subnet.

  • Page 24: 7: Telnet Sessions

    7: Telnet Sessions To run a Telnet session on your PC or laptop connected to the BRM, to use AT commands on the BRM, take the following steps: Note: A telnet session cannot be established until at least 30 seconds after the BRM has been powered on or rebooted, because the BRM does not have a location fix until that point.

  • Page 25: 8: Physical Layer Testing

    BPLT or BMCP is used. 8.2: Running PHY MTRs on a BRM and FEM The FEM as supplied with the TDK is set to operate as a class 2 UT. To run PHY MTRs on a BRM with a FEM attached, take the following steps: 1.
  • Page 26 > RX (return path) 50dB 4. Use the FEM level FEM_UT.ini and BPLT.ini files available on the Inmarsat Developer Website to run Class 2 MTRs. Note: See comments in BPLT.ini on selecting the correct .ini parameters, according to whether a BPLT or BMCP is used.

  • Page 27: 9: Using The User Webui

    The Dashboard shows the following details and operational options: > Current signal strength (graphical and visual representation) > Signal Quality Indicator > Antenna Pointing Information | Pointing and Network State | Location | BRM and FEM Temperature > Connection and Antenna Pointing shortcuts > Alert notifications >...

  • Page 28: Enter Sim Pin

    Once you have logged in to the default WebUI and the Dashboard has loaded up, if the external Universal Subscriber Identity Module (USIM) loaded into the BRM-based User Terminal (UT) has a Personal Identification Number (PIN) associated and enabled with it, then the Dashboard will indicate that the SIM PIN must be entered before you can start to use the WebUI, per Figure 4 .
  • Page 29 Dashboard saying SIM PIN entry: Invalid Request. [Date and time] SIM error: PIN value must have between 4 and 29:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 30: Antenna Pointing

    Per Figure 5 , a notification button (pointing) appears in the top right-hand corner of the Dashboard. Note: This notification will only appear if the BRM-based Terminal has not been configured to perform an auto-pointing function. If it is configured to perform an auto-point on power up, then the Pointing box will always be greyed-out.
  • Page 31 2. From the list, select the Satellite with the largest Azimuth value. 3. In the Pointing box, select Done. The BRM-based Terminal will proceed to point to the selected satellite, and once pointing has been successful the value for Pointing and Network State will change from pointing to ready + attached, and a Latitude and Longitude value will show for Location (3d).

  • Page 32: Establishing A Data Connection For On-Air Operations

    Figure 7. Bypass Pointing notification > Select Yes if you want the BRM-based Terminal to perform an auto-point of the antenna the next time the UT is activated > Select No if you want to carry out the antenna pointing manually, the next time the UT is...

  • Page 33: Connections

    Connections page > Refer to Connections 9.4: Connections To view and administer the BRM-based UT connections to the BGAN network, select the Connections option from the left-hand navigation. The Connections list loads up, per 9.4 . Figure 8. Connections >...
  • Page 34 > Deactivate the profile if it is already active and you do not want the BRM-based UT to use it In that case, a connection profile will have a deactivating icon, and then once deactivation is complete the deactivating button will disappear.

  • Page 35: Messages

    Connections menu. Any actions detailed in the previous paragraphs applies here too. 9.5: Messages To view, manage, or send Simple Message Service (SMS) messages using the BRM-based UT, select the Messages option from the left-hand navigation menu. The Messages page loads up, per 9.5 .

  • Page 36: 1: Viewing Messages

    Figure 9. Messages 9.5.1: Viewing Messages A summary of the message appears as soon as the BRM receives it. To view the message, single- click it and it will open up in the main part of the screen, per Figure 10 .

  • Page 37: 2: Composing A New Message

    2. Enter the message (maximum 160 characters) in the Text field. 3. Select Send. 9.6: SIM To manage the PIN and/or Lock Mode for the USIM inserted in the BRM-based UT, select the SIM option from the left-hand navigation menu. The SIM page loads up, per 9.6 .

  • Page 38: 1: Change Sim Pin

    PIN associated with it. That PIN is the one the user has to enter whenever he wants to lock it again. 9.7: Configuration To manage the configurations for the BRM-based UT, select the Configurations option from the left-hand navigation menu. The Configurations page loads up, per Figure 13 .
  • Page 39 You have the following options: > Select Factory Reset, which will reset all the BRM-based UT configurations to their basis factory defaults > Amend one or more of the existing configurations, and select Save once the amendments are complete >...

  • Page 40: Upgrade

    9.8: Upgrade To upgrade the BRM firmware for the BRM-based UT, select the Upgrade option from the left-hand navigation menu on the Dashboard. The Upgrade page loads up, per 9.8 . Figure 14. Upgrade You can upgrade one or more of the cores by either dragging and dropping the relevant file from a local or network drive on your PC or laptop, or selecting each core and then browsing to the relevant file location on your PC or laptop to select the desired core.

  • Page 41: Support

    Note: If any of the core upgrades fail, you can select Reset Upgrade, which causes the previous firmware to be reinitialised for each core so it is possible to still use the BRM-based UT. Reboot would need to be selected to ensure the reversion to the previous firmware is implemented successfully.
  • Page 42 Note: The RAM log contains logs collected since the last power-up. The NVRAM logs, as the name suggests, are non-volatile and would stay in the memory until deleted or overwritten. 42:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 43: 10: Using The Engineering Webui

    The BRM WebUI is a reference WebUI for VAMs to use to understand how to command and control the BRM. The following sections detail how to use the BRM WebUI via a laptop or PC, per the list of functions shown in Figure 20 .
  • Page 44 Core Versions shows the device ID and the current versions of the firmware installed on the BRM, including Bootloader and current firmware release versions > WebUI Version shows the current Engineering WebUI version installed on the BRM 44:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide...

  • Page 45: 1: Local Firmware Upgrade

    Note: This option only becomes available once the upgrade of a firmware file is complete. If the upgrade or downgrade has not succeeded for some reason, you can also return the BRM to its previous firmware version, by selecting the Reboot Other Image button.

  • Page 46: 2: Remote Firmware Upgrade

    Note: If for any reason the upgrade is not successful and the connection to the BRM is lost then reboot the BRM three (3) times using the Reset button on the HDK, and the BRM will boot up using the previous working image.

  • Page 47: 4: Ssl Certificate

    The location data will not be displayed on the WebUI until after the GNSS policy information has been received from the network as part of the broadcast system information, which will indicate if it is allowed to display location data to the user, this is true even if the BRM has a previously stored location.

  • Page 48: Debug Logging

    Note: Refer to the Development and Monitoring Interfaces section of the BGAN Radio Module Technical Specification for more details about Logging messages, including the different message categories. 48:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...
  • Page 49 Select the relevant Download link to view the requested log on your local machine > Select the relevant Delete icon to delete a log you have previously downloaded 49:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 50: Debug Gnss

    Select either the GPS or Glonass radio button, according to which constellation of GPS satellites you want to test the GNSS receiver with > Check the Enable Production Test check box if you want to enable the BRM to perform a production test of the GNSS receiver >...

  • Page 51: Notifications

    Note: The GNSS Receiver will typically remember the GPS location from when it was last operational; however, this knowledge may not be present if the BRM has not been operational for an extended period of time, or if the BRM has not previously been able to establish its GPS location.

  • Page 52: 1: Rest Command Notifications

    The Messaging page loads up, per 10.6 . This part of the WebUI allows a user to view or delete all or specific SMS messages, or to compose and send an SMS message using the BRM, or to check the message storage status. 52: ...
  • Page 53 Notes: The BRM stores SMS messages on the external USIM. The number of messages that can be stored is dependent on the available memory on the USIM. If a user has permissions to view SMS messages, then that user is able to view all sent and received SMS messages on the BRM, regardless of which user has sent or received the SMS.

  • Page 54: 1: Synchronous And Asynchronous Sms Sending Process

    Note: If + is omitted in the Recipient with the recipient number. field, the message will be sent from the BRM, but the destination may not be Note: If PDU is constructed with +, AT+CMGS resolvable by the SMSC which would command immediately returns ERROR.

  • Page 55: 2: Sms Encoding And Sending/Receiving

    The message is then sent from the TE to the BRM. 2. Transporting the message across the Inmarsat Air Interface: Once the BRM receives the appropriately encoded message it transports it to the Inmarsat network with GSM_7bit encoding. When receiving an SMS message, the opposite process takes place.
  • Page 56 56:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 57: 1: Bypassing Antenna Pointing Mode

    > Select the Get Configuration List icon to view the current BRM configurations > Select the Get icon for any specific BRM configuration for which you wish to view the current value > Amend values for any BRM configurations you wish to amend, and select the Set icon for each BRM configuration you have amended to update it accordingly >...

  • Page 58: Http Proxy

    The HTTP proxy provides the functionality required to issue HTTP requests to a VAMs host processor via the BRM’s RESTful API and this is available using the REST /httpcommand POST method. Access to this method is authenticated using the BRM’s user permissions system.
  • Page 59 BRM RESTful APIs, because doing that would mean that all the BRM REST API calls would need to be passed through the host processor in addition to it processing and responding to its own commands.

  • Page 60: Device

    To access this functionality, select Device from the main menu. The Device page loads up, per 10.10 . This section allows you to view the status of certain aspects of the operation of the BRM, as well as control some of those aspects of operation.
  • Page 61 Select the relevant values from the drop-down menus and select the relevant Set icon for the GPIO State and/or List, to amend values for GPIO State or GPIO List > Select the Device Uptime icon if you wish to see for how long the BRM has been continuously operational 61: ...
  • Page 62 Select Get Signal Strength to see what the current signal strength is for the UT > Select Get Bist if you want the BRM to run a self-test (Built-In Self-Test (BIST)) > Select Get SIM status if you want to know the current status of the SIM card inserted in the external SIM card holder on the BRM.
  • Page 63 > Select Transmit Cable Calibration Test Signal to configure the BRM to set up a transmit carrier CW or modulated in order to perform the antenna cable calibration. The following parameters will determine which type of signals are generated: >...

  • Page 64: 1: Antenna Pointing Mode

    BRM Support for Steered Antennas. By default, once the BRM is on, the BRM enters Antenna Pointing mode; it will be pointing to the satellite the user chooses until they decides the signal strength is good enough to have a reliable connection over the network.

  • Page 65: 2: Brm Remote Firmware Update Server Addressing Scheme

    > bui_mode is set to false in the Configuration page The BRM waits for up to 30 seconds after it is switched on for a GNSS/GPS fix to be established before exiting low power mode. If the antenna is already pointed and fixed for the best signal strength, the user may want to bypass the antenna pointing steps mentioned above by making a configuration change.

  • Page 66: Reboot

    At that point, a static route will have been created by the BRM between the Ethernet Interface and the admin connection, and any packet received on the BRM’s Ethernet interface with source and destination matching the local and remote IP address will be sent out of the admin interface with the source address replaced with the admin interface IP address.

  • Page 67: Connection

    4. Navigate to the Debug Logging page and configure syslog filters accordingly. 10.13: Connection To access this functionality, select Connection from the main menu. The Connection page loads up, per 10.13 . 67:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 68: 1: Creating A New Connection Profile

    Profile. The parameters and QoS of that new profile will be the same ones as the original profile you used to copy from. 68:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 69: 2: Establishing A Data Connection For On-Air Data Operations

    Connection for On-Air Data Operations, then before you carry out Step 3, wait for a few seconds until the BRM has established a connection with the satellite. 3. Under the Connection section of the Connection page, select the Create Connection from Profile button.
  • Page 70 7. If the connection is not active, then select Delete Connection. 8. Repeat Steps3 through 6. Once the connection is active the computer connected to the BRM can be used for transferring data through the public internet, e.g., web browsing; pings; FTP data transfer, etc.

  • Page 71: Users

    Permissions Grant Level 10.14.1: Get User List Select the Get User List icon if you wish to view a list of user accounts that are authorised to access one or more functionalities, to greater or lesser extents, on the BRM. 71:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary –...

  • Page 72: 2: User

    Set Permissions icon. Note: You will only be able to set or amend the Grant level for a BRM function for a user account to a level which is lower than the current grant level to which your own user account is set for that particular BRM function.

  • Page 73: 3: Delete User

    Figure 42. Set Permissions 10.14.3: Delete User To delete a user account from access to the BRM in question, select the relevant user from the User field drop-down menu, and select the Delete User icon. 10.14.4: Set Password To set a new password for a user account: 1.

  • Page 74: Enable_Bui

    The IP Access Control List page loads up, per Figure 44 . This page contains all the resources to run the BRM firewall functionality. It is based in up to 10 different rules which may depend on protocol number, destination port range and/or destination address.
  • Page 75 All packets affected by the firewall will be captured in a log accessible by the user. Select Download Outbound IP ACL Log to get that log. It will be downloaded as a .csv file, per Figure 46 . 75:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 76: Logout

    Any change in the Access Control List is applied straight away after selecting Set Outbound IP Access Control List. A reboot is not required. For more information about Firewall functionality and Access Control Lists, please refer to BRM Outbound Packet Filtering – Access Control List .

  • Page 77: 11: Regulatory Information

    As defined in Article 2 “Scope” of directive 2014/53/EU, this Terminal Development Kit is a custom built evaluation kit, configured as ordered, intended for use by professionals, to be used solely at research and development facilities for the purposes of evaluation of the BGAN Radio Module (BRM) and therefore is excluded from the directive.

  • Page 78: Industry Canada Regulatory Information

    TDK exceeding the mask. System integrators designing BRM based terminal equipment will need to take necessary steps within their design to reduce second harmonic emissions, for example by using a shielded enclosure.

  • Page 79: Safety - North America

    Development Kit does not comply with the requirement with the emissions at the second harmonic of the transmitter, radiating from the unenclosed, unshielded TDK exceeding the mask. System integrators designing BRM based terminal equipment will need to take necessary steps within their design to reduce second harmonic emissions, for example by using a shielded enclosure.

  • Page 80: Appendix A: Brm Support For Steered Antennas

    The process for the antenna to seek the satellite is initiated by the BRM whenever the BRM enters (or re-enters) pointing mode. The BRM provides to the FEM/antenna via the I2C interface aids to aid antenna alignment including: >...

  • Page 81: A.1.2: Example With Antenna Using The Brm Receiver

    Figure 47. Message Sequence Chart for Antenna with Custom Receiver A.1.2: Example With Antenna Using the BRM Receiver A message sequence chart for a steered antenna using the BRM’s receiver to determine received signal strength is shown in Figure 48 .
  • Page 82 Figure 48. Message Sequence Chart for Antenna Using BRM 82:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 83: Appendix B: Brm Closed Loop Transmit Operation With Power Splitter

    Appendix B: BRM Closed Loop Transmit Operation with Power Splitter When the BRM without a FEM attached is used with the BAT/BNE or BPLT, to close the transmit power loop a proportion of the TX output should be fed to the RF detect using the circuit shown in Figure 49 .

  • Page 84: Appendix C: Fem Firmware Update Procedure

    1. Make sure FEM module is powered off 2. Connect Pin 1 of P6 to pin 2 on P5 3. Power on FEM 4. Remove P5 to P6 link 84:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 85: C.1.2: Green Fem

    3. While holding the button, power on FEM 4. Release the button. C.1.3: All FEMs 5. Connect FTDI cable. 6. Run ST’s Flash Loader Demonstrator software selecting the correct COM port 85:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 86: C.2: Bgan Sub-Class Check

    5. Query the BGAN sub-class via the serial terminal by typing the following (without quotes) and pressing return: “BS ?” 6. If not 0, set the BGAN sub-class to 0 by typing: “BS 0”. Power cycle the BRM for the change to take effect C.3: BGAN GID3 Value Check...

  • Page 87: Appendix D: Troubleshooting

    GNSS or external connect to a BAT or BNE. NMEA interface. If after 30 seconds no valid GPS fix is obtained, the BRM will use the last known fix instead (0N, 0E is the default if no previous fix is available).
  • Page 88 Reboot the BRM. establishment is If a Reboot fails to resolve, then intermittent please contact your point of contact at Inmarsat. 88:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

  • Page 89: 12: Glossary

    Inmarsat's global constellation of I-4 satellites. BGAN Radio Module Global GNSS Navigation Satellite System General GPIO Purpose Input Output Non-Volatile NVRAM 89:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...
  • Page 90 A type of computer memory that can be Access accessed randomly; that is, any byte of Memory memory can be accessed without touching the preceding bytes. Terminal Development User Interface 90:  inmarsat.com BGAN Radio Module Terminal Development Kit User Guide Confidential and Proprietary – Inmarsat Global Limited...

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