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User Guide to ST8050

ST8050UG001 – User Guide

22

Revision 2.0

5

Networks

5.1

Iridium

Short Burst Data (SBD) is a service for the Iridium satellite network.  The Iridium satellite network is a
world-wide, two-way, data communication system.  Communications between modems and the
Iridium ground network are accomplished via a constellation of low-earth orbit (LEO) satellites.
There are 66 operational satellites with additional spares that operate in 6 polar planes with pole to
pole coverage at all times.

The ground network is comprised of the System Control Segment and gateways used to connect to
the terrestrial data networks.  The System Control Segment is the central management component
for the Iridium satellite network.  It provides support and control services for the satellite
constellation and delivers satellite tracking data to the gateways.

Figure 5-1: Iridium network diagram

5.1.1.1

Sequence of events: Mobile Originated–Short Burst Data message

(MO-SBD)

1.

User’s application creates the mobile-originated-SBD message in the ST8050.

2.

Application instructs the ST8050 to send the SBD message to the Iridium Gateway.

3.

Iridium Gateway SBD equipment:



Receives the SBD message



Sends an acknowledgement to the modem



Creates an email message with the SBD data message as an attachment to the email
or establishes a DirectIP connection.

4.

The message is sent to the destination server hosted by the Value Added Reseller for
processing.

The maximum mobile originated message size through the Iridium network is 340
bytes. The maximum mobile terminated message size is 270 bytes.

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Содержание ST8050

Страница 1: ...ST8050 User Guide Revision 2 00 5 4 2013 Confidential and Proprietary Information 2013 Skypatrol LLC Do not duplicate without express permission from Skypatrol LLC ST8050 User Guide ST8050UG001 ...

Страница 2: ...gree to fully indemnify SkyPatrol LLC for any damages resulting from illegal use or resale Copyright Complying with all applicable copyright laws is the responsibility of the user Without limiting the rights under copyright no part of this document may be reproduced stored in or introduced into a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recordi...

Страница 3: ...ill not be required to repair or replace the product but may instead reship the product to the purchaser in which case purchaser shall be responsible for paying SkyPatrol s usual charges for unpacking testing and repacking the product for reshipment to purchaser Purchaser shall bear the risk of loss or damage in transit to any product returned by purchaser to SkyPatrol or any returned product not ...

Страница 4: ... may require a longer warranty period than specified above and accordingly for products sold in those jurisdictions the applicable warranty period shall be extended as required under the law of those jurisdictions Furthermore some jurisdictions may not allow the disclaimer of implied warranties or the exclusion or limitation of incidental or consequential damages so the above disclaimer limitation...

Страница 5: ...ode 11 2 4 2 Downloading 11 2 5 Provisioning and activation 12 2 6 Configuration Parameters 13 2 6 1 GRPS configuration 13 2 6 2 Periodic report configuration 13 2 6 3 IO alarms 15 3 ANTENNA SETUP 17 3 1 Antenna recommendations 17 3 1 1 GPS 17 3 1 2 Iridium 17 3 1 3 GSM GPRS 17 3 2 Grounding 17 3 3 Noise problems 19 4 ACTIVATING AND PROVISIONING THE MODEM 20 4 1 GPRS 20 4 1 1 Activation 20 4 2 Iri...

Страница 6: ...Figure 2 6 SCT Update the firmware 1 10 Figure 2 7 SCT Update the firmware 2 10 Figure 2 5 SCT Update the firmware 3 10 Figure 2 9 Completion of successful download using SCT 11 Figure 2 10 SCT Update Application 1 11 Figure 2 11 SCT Update Application 2 12 Figure 2 6 Completion of successful download using SCT 12 Figure 3 1 Antennas with blocked view of sky 18 Figure 3 2 Tipped over antenna 18 Fi...

Страница 7: ...h use of the tools included in the API development environment these applications can be embedded in the modem to take maximum advantage of the power and functionality of SKYPATROL products This manual is divided into 5 chapters and 1 appendix which are summarized below Chapter 1 INTRODUCTION to the ST8050 modem contains the scope of the document a list of related documents and information for con...

Страница 8: ...l adapter Keyspan part number USA 19HS a power supply capable of providing at least 3 amps at 12 V a ST8050 data cable an ST8050 modem 2 1 Connecting the modem 2 1 1 ST8050 The SKYPATROL part number for the ST8050 assembly data cable is CBL092 Figure 2 1 ST8050 assembly data cable There are three main components of the ST8050 assembly data cable 1 the locking connector 2 five serial DB9 connectors...

Страница 9: ...shown below Figure 2 3 ST8050 locking connector On the opposite side of the modem attach the antenna cable to the appropriate connector Figure 2 4 Figure 2 4 ST8050 antenna connections Additional serial connections I O and other signal lines are also available as non terminated wires that come shrink wrapped together in the assembly cable ...

Страница 10: ...ach the SIM card to the modem The screw will be a round head screw Phillips 0 80 X 3 16 SS or a hex screw size 0 80 50th 1 Find side of case with screw and washers 2 Remove screw and washers from side of case 3 Insert SIM card with the metal contacts facing upward 4 Ensure SIM card clicks into place 5 Replace the washers and screw ...

Страница 11: ...rt When connecting to the MTS port the default settings are Baud rate 57600 bps Data bits 8 Parity None Stop bits 1 Flow control None 2 3 1 GRPS configuration The ST8050 uses the GRPS network or Iridium network if GPRS is not available to send the message Use AT STGPRS command to setup all parameters related with the GPRS network AT STGPRS apn user password protocol ip port apn GPRS APN provided b...

Страница 12: ...condition format Indicates how the protocol must be formatted to be transmitted 0 Binary 1 ASCII GPRS mask Indicates which parameters will be embedded in the report this parameter is a numerical value in which each bit represents a parameter as indicated by the following bit mask Bit 0 Location Data Bit 1 Digital Port Status Bit 2 Analog Ports Value Bit 3 GSM Strength Bit 4 Iridium Strength Bit 5 ...

Страница 13: ...arameter indicates the distance interval in meters that the unit must move before report 0 Disable the report in this condition Range 0 65535 x 100 meters Iridium distance This parameter indicates the distance interval in meters that the unit must move before reporting 0 Disable the report in this condition Range 0 65535 x 100 meters Example The device will report by GPRS every 5 minutes when the ...

Страница 14: ...not be present in the modem If this file is not present the modem acts as a simple satellite or GPRS GSM modem that is controlled externally via a serial interface Alternatively for more complex applications a developer can create a custom application in C code to be embedded in the modem The foundation code package consists of code to implement the Session Transport and Network layers of the sate...

Страница 15: ...eters first load and run SCT on a PC connected to the modem s MTS serial port When connecting to the MTS port the default settings are Baud rate 57600 bps Data bits 8 Parity None Stop bits 1 Flow control None Figure 2 5 SCT Initial screen 2 4 1 1 Downloading foundation code If it is necessary to update the foundation firmware code download the zip file from the SkyPatrol s ftp at ftp ftp skypatrol...

Страница 16: ...e 2 6 SCT Update the firmware 1 2 Enter the foundation file s address and select Figure 2 7 SCT Update the firmware 2 3 SCT starts the firmware update Power cycle the modem Figure 2 5 SCT Update the firmware 3 4 The progress bar will indicate when the file is loaded ...

Страница 17: ...ing SCT 2 4 1 2 Downloading application code 2 4 2 Downloading Download the latest ST8050 bin file from the SkyPatrol s ftp After unzipping the file there should be a Turnkey file with the name format of ST8050_9 9 99 bin 1 On the QCT screen select Flash Load Application Figure 2 10 SCT Update Application 1 ...

Страница 18: ...it is necessary to activate and provision the GSM GPRS service and or the satellite service before using the modem to transmit messages GSM GPRS customers must obtain a SIM card from their carrier and place it into the SIM slot located on the side of the ST8050 See Section 2 1 1 1 on how to install the SIM card Initially many users create a new email address for modem messages It is best to set up...

Страница 19: ...T8050 uses the GRPS network or Iridium network if GPRS is not available to send the message Use AT STGPRS command to setup all parameters related with the GPRS network AT STGPRS apn user password protocol ip port apn GPRS APN provided by the telecom operator user GPRS username provided by the telecom operator password GPRS password provided by the telecom operator protocol Transport protocol used ...

Страница 20: ...bit represents a parameter as indicated by the following bit mask Bit 0 Location Data Bit 1 Digital Port Status Bit 2 Analog Ports Value Bit 3 GSM Strength Bit 4 Iridium Strength Bit 5 GSM Network Information Bit 6 GSM SIMCARD information Bit 7 Used by the ST8050 to indicate that an alarm was triggered Iridium mask Same as GPRS Mask GPRS time On This parameter indicates the time interval in second...

Страница 21: ...dicates the distance interval in meters that the unit must move before reporting 0 Disable the report in this condition Range 0 65535 x 100 meters Example The device will report by GPRS every 5 minutes when the ignition is ON every 1 hour when ignition is OFF and it will report by Iridium every 15 minutes when the ignition is ON every 4 hours when ignition is OFF AT STREPORT 0 1 127 127 300 3600 9...

Страница 22: ...hen the port level goes UP 1 When the port level goes DOWN 2 When the port level changes UP or DOWN this condition is not valid if the trigger type is 2 Minimum duration Indicates the time that the condition must be in valid state before trigger the alarm Value in seconds Range 0 to 255 Example AT STIOALARM 1 1 2 2 ...

Страница 23: ...eater than 20cm from a person If antenna is placed within 20cm of a person the system integrator needs to assess the final product against SAR regulation 3 1 3 GSM GPRS The GSM GPRS antenna does not require an unobstructed view of the sky However for optimal performance an unobstructed view is preferable GSM antenna requirements Gain must be less than 3dBi Must be placed greater than 20cm from a p...

Страница 24: ... Revision 2 0 Beware of high power antennas urban canyons and other structures that block the line of sight LOS to the satellite Below are some antenna installation mishaps Figure 3 1 Antennas with blocked view of sky Figure 3 2 Tipped over antenna ...

Страница 25: ... broadband may be electric power lines electric motors or generators switching power sources or microprocessors Noise sources for narrowband may be radio TV towers pager transmitters or cell phones Figure 3 3 Noise radiated and conducted Noise suppression parts include ferrite beads EMI cores and RF filters Techniques include twisting power lines separating power from signal using right angles cov...

Страница 26: ... or an airtime reseller before the modem can be used If a message is sent without the modem being activated it is ignored by the Iridium network For this reason it is possible to develop and send live messages without the modem being turned off by the network 4 2 2 Provisioning There are several ways the modem can be provisioned with Iridium It can be provisioned With one to five email ID addresse...

Страница 27: ...and email based message sending Provisioning of the modem can also be edited from Iridium s SPNET portal Contact Iridium or an Iridium Airtime Reseller for provisioning For modems utilizing the Direct IP gateway the user s IP gateway and port number must be added to the Iridium firewall This may require an extra day or two to be provisioned ...

Страница 28: ...for the Iridium satellite network It provides support and control services for the satellite constellation and delivers satellite tracking data to the gateways Figure 5 1 Iridium network diagram 5 1 1 1 Sequence of events Mobile Originated Short Burst Data message MO SBD 1 User s application creates the mobile originated SBD message in the ST8050 2 Application instructs the ST8050 to send the SBD ...

Страница 29: ...eway SBD equipment receives the message and stores it in a database 3 Modem initiates a Mailbox Check either alone or in response to a Ring Alert and the message is downloaded to the modem 4 Modem sends an acknowledgement to the Iridium Gateway that the mobile terminated SBD message has been delivered 5 Application extracts the mobile terminated SBD message from the modem and processes the message...

Страница 30: ... Development Environment IDP IsatData Pro an Inmarsat service IMEI International Mobile Equipment Identity IMS International Mobile Subscriber identify INMR Inmarsat IRI Iridium LEO Low Earth Orbit LF Line Feed LOS Line Of Sight LSB Least Significant Bit MHz Megahertz MID Message Identification MO Mobile Originated Iridium network MT Mobile Terminated Iridium network MTS Main Transport Socket NCC ...

Страница 31: ...eal time Operating System SAE Society of Automotive Engineers SBD Short Burst Data SC Subscriber Communicator modem ORBCOMM SCO Subscriber Communicator Originated message SCT Subscriber Communicator Terminated message SMTP Simple Mail Transfer Protocol UART Universal Asynchronous Receiver Transmitter VHF Very High Frequency VSWR Voltage Standing Wave Ratio ...

Страница 32: ...D 8 NOT USED 9 NOT USED 10 NOT USED 11 GND Ground 12 NOT USED 13 MTS_RXD_RS232 Output Serial Port RX 14 NOT USED 15 MTS_TXD_RS232 Input Serial Port TX 16 MTS_DSR_RS232 Output Serial Port DSR 17 MTS_DTR_RS232 Input 6 32 Serial Port DTR 18 MTS_DCD_RS232 Output Serial Port DCD 19 GND Ground 20 LOG_TXD_RS232 Input 21 GND Ground 22 LOG_RXD_RS232 Output 23 CANH Input Output CAN High signal 24 CANL Input...

Страница 33: ...Used to monitor the vehicle ignition state 33 DIG_2 Input 3 5V CMOS TTL Used to monitor the SOS button 34 DIG_3 Input 3 5V CMOS TTL 35 DIG_4 Input 3 5V CMOS TTL 36 DIG_5 Input 3 5V CMOS TTL 37 DIG_6 Input 3 5V CMOS TTL 38 DIG_7 Input 3 5V CMOS TTL 39 DIG_8 Input 3 5V CMOS TTL 40 GND Ground ...

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