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Summary of Contents for Digi m10
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Page 1: Digi M10
Digi m10 Satellite Modem Hardware Reference Date: 3 July 2012 90033937_H... -
Page 2: Copyright Notice
Digi International may make improvements and / or changes in this manual at any time without prior notice. Trademarks The Digi m10 is a registered trademark of Digi International Inc. All other company and / or product names mentioned in this manual are the property of their respective owners. -
Page 3: Document Revision History
4 Nov 2010 Fixed error in Section 6 and added Appendix E. 12 Sep 2011 Fixed error in Section 2.2. 13 Oct 2011 Fixed the resolution of Digi m10 Mechanical Drawing: Part D image 26 Jun 2012 in Appendix A... -
Page 4: Table Of Contents
Symbols Used in This Manual ..................... 6 Reference Documents ......................... 6 Industry Canada Notice ....................... 8 Caution............................8 Where to Get Help ........................8 Overview of the Digi m10 ...................... 9 Interfaces ..........................9 Connector Pins ....................... 9 Serial Interface ......................12 2.2.1 Host Port ........................ - Page 5 Figure 8: RF Connector on the Digi m10 ..................16 Figure 9: Digi m10 Dimensions ..................... 23 Figure 10: Interface Between the Host Controller and the Digi m10 ..........25 Figure 11: Layout of the Development Board ................26 Figure 12: Digi m10 Mechanical Drawing ..................29 Figure 13: Digi m10 Mechanical Drawing: Part A ................
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Page 6: About This Manual
Digi m10 Hardware Reference v 1.20 About This Manual This manual defines and specifies the functions of the Digi m10 and its usage. It also contains guidelines for using the development board which comes with the Digi m10 JumpStart Kit. - Page 7 Digi m10 Hardware Reference v 1.20 Society of Automotive Engineers, SAE J1455, Joint SAE / TMC Recommended Environmental Practices for Electronic Equipment Design (Heavy-Duty Trucks). Technical Requirements for Satellite Earth Stations and Systems (SES); Mobile Earth Stations (MES) Providing Low Bit Rate Data Communications (LBRDC) using Low Earth Orbiting (LEO) satellites operating below 1 GHz, EN 3200 721.
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Page 8: Industry Canada Notice
Where to Get Help For additional information or clarifications regarding this user manual, please get in touch with Digi International using the contact information provided below. Address 11001 Bren Road East Minnetonka, MN 55343... -
Page 9: Overview Of The Digi M10
The host controller provides power and ground, and communicates serially with the Digi m10. The Digi m10 is outfitted with a factory-mounted, 14pin (7 pins across 2 rows) SAMTEC 1mm pitch, standard socket connector (MLE-107-01-G-DV-K). The details of the pin designations are provided below. -
Page 10: Figure 2: Digi M10 Pin Numbering
The connector provides the necessary interface signals to communicate over a 3.3V TTL level serial link and to power Digi m10. Basic communication can be established using the Tx & Rx lines and the remaining signals provide additional handshaking (RTS/CTS), status (SA/DA) and debug information (Dbg_Tx/Dbg_Rx) as described in the following sections. -
Page 11: Table 1: Connector Pins On The Digi M10
Digi m10 Hardware Reference v 1.20 Figure 3: Pin Assignment Table 1: Connector Pins on the Digi m10 Digital I/O Name Description Comments Direction Supply Ground Supply Ground Pulled low PWR_EN Digi m10 Power Enable Input using 47KΩ Ground 3.3 V UART Interface. Host controller to the Digi Input 3.3V UART Interface. -
Page 12: Serial Interface
CTS is configured as output and is set to asserted state. When flow control is enabled via extended packet by DTE, RTS serves as input to m10 and is controlled by DTE where as CTS is input to DTE and is controlled by m10.When M10 is ready to receive data from DTE, it asserts the CTS line. -
Page 13: Power And Ground
V DC and then set the PWR_EN pin to active high. Typically, the Digi m10 will take five seconds to be in a ready state. After powering on, the Digi m10 will toggle the DA pin once to let the host controller know that it is ready to receive serial commands. -
Page 14: Powering Down
The host controller can power down the m10 by setting the PWR_EN pin to LOW. The host controller can leave the supply voltage for Digi m10 ON, or remove it at its discretion. If the supply is left ON with PWR_EN set to low, the Digi m10 will be powered down. However, it will consume a leakage current of less than 3 µA. -
Page 15: Rts/Cts Implementation
RTS (Request to Send ) and (Clear To Send) signals. RTS serves as an input to the Digi m10 and is controlled by DTE. Alternatively, CTS is an input to DTE and is controlled by the Digi m10. The RTS line is level sensitive and assertion is 0V while de-assertion is 3.3V. -
Page 16: Rf Interface
Digi m10 Hardware Reference v 1.20 Figure 7: Timing Diagram for Satellite Available RF Interface 8) is an MMCX plug, with an impedance of 50 Ω The RF connector for the Digi m10 (see Figure nominal. Refer to Table 8 for details. - Page 17 Digi m10 Hardware Reference v 1.20 The Digi m10 is protected from VSWR failure. However, for best performance, Digi International recommends using an antenna with good VSWR readings (see Table 8) at both the RX and TX frequencies. Digi International, Inc. © 2009...
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Page 18: Technical Specifications
148.000 to 150.050 MHz band. Refer to EN 300 721 for details. 3.1.1.2 Conducted Emissions The RF connector on the Digi m10 complies with the test methodology and test levels for conducted emissions defined in EN 300 832. Refer to Section 4.3 Conducted Emissions of the ORBCOMM Subscriber Communicator (SC) Standards and Specifications document. -
Page 19: Rohs
3.1.3 Operating Temperature The Digi m10 operates from -40 °F to +185 °F (-40 °C to +85 °C). The lower temperature limit has been verified in accordance with MIL-STD-810E, Method 502.3, Procedure II, 4-hour test duration. The upper temperature limit has been verified in accordance with MIL-STD-810E, Method 501.3, Procedure II, 3-diurnal-cycle test duration. -
Page 20: Storage Temperature
3.1.4 Storage Temperature The Digi m10 can be stored for extended periods from -58 °F to +185 °F (-50 °C to +85 °C). It has been subjected to the upper and lower temperature limits for 24 hours each and then checked for stability. -
Page 21: Power Design
Powering-down: <3 μA at 12 V when the Digi m10 is in the OFF state. The input supply for the Digi m10 should be in the range of 9 V to 18 V and the input supply should be able to source up to 2 A. -
Page 22: Digital Input / Output Specifications
3 years. 3.2.3.2 Failure Rate The Digi m10 has a Mean Time between Failure (MTBF) of at least 43,800 hours with a transmitter duty cycle of 0.05% and receiver duty cycle of 99.95% over the entire period. Refer to Section 2.2.9 Reliability of the ORBCOMM Subscriber Communicator (SC) Standards and Specifications. -
Page 23: Mounting
3.3.2 Mounting The Digi m10 can be mounted directly to the host PCB using a board-to-board connector. The Digi m10 has five solder legs, which must be soldered to the host controller’s common ground reference plane. The host controller’s PCB needs to have five mounting holes to accommodate the Digi m10. -
Page 24: Approvals And Certifications
Digi m10 Hardware Reference v 1.20 4. Approvals and Certifications The Digi m10 satellite modem carries the following certifications and regulatory approvals and certifications: CE Mark C-Tick (Australia/New Zealand) ORBCOMM Type Approval TELEC ... -
Page 25: Using The Digi M10
Digi m10. Figure 10: Interface Between the Host Controller and the Digi m10 If Digi m10 is being used, then the UART signals are at TTL levels. Digi International, Inc. © 2009... -
Page 26: The Digi M10 Jumpstart Kit
Digi m10 Hardware Reference v 1.20 The Digi m10 JumpStart Kit The development board (see Figure 11) provides users with an easy way to evaluate the Digi m10. Figure 11: Layout of the Development Board Digi International, Inc. © 2009 Page 26 of 38... - Page 27 Host Port (RS232): Users can send ORBCOMM serial commands to the Digi m10 at RS-232 levels using this port. Amber LEDs next to this port indicate that it is active. Host Port (TTL): Users can send ORBCOMM serial commands to the Digi m10 at TTL levels using this port. ...
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Page 28: Antenna Information
You can use any 50 Ω impedance, RF coax cable, provided the overall loss from the antenna to the Digi m10 is less than 3 dB at 150 MHz. The lower the cable loss, the costlier the cable, so there is a trade off between price and performance. -
Page 29: Appendix A: Digi M10 Mechanical Drawings
Digi m10 Hardware Reference v 1.20: Appendix A: Digi m10 Mechanical Drawings Figure 12: Digi m10 Host Board’s Recommended Mechanical Drawing Figure 13: Digi m10 Host Board’s Recommended Mechanical Drawing: Part A Digi International, Inc. © 2009 Page 29 of 38... -
Page 30: Figure 14: Digi M10 Mechanical Drawing: Part B
Digi m10 Hardware Reference v 1.20 Figure 14: Digi m10 Host Board’s Recommended Mechanical Drawing: Part B Digi International, Inc. © 2009 Page 30 of 38... -
Page 31: Figure 15: Digi M10 Mechanical Drawing: Part C
Digi m10 Hardware Reference v 1.20: Figure 15: Digi m10 Host Board’s Recommended Mechanical Drawing: Part C Digi International, Inc. © 2009 Page 31 of 38... -
Page 32: Figure 16: Digi M10 Mechanical Drawing: Part D
Digi m10 Hardware Reference v 1.20 Figure 16: Digi m10 Host Board’s Recommended Mechanical Drawing: Part D Digi International, Inc. © 2009 Page 32 of 38... -
Page 33: Appendix B: Development Board Mechanical Drawing
Digi m10 Hardware Reference v 1.20: Appendix B: Development Board Mechanical Drawing Digi International, Inc. © 2009 Page 33 of 38... -
Page 34: Appendix C: Digi M10 Development Board Schematic
Digi m10 Hardware Reference v 1.20 Appendix C: Digi m10 Development Board Schematic Figure 17: Development Board Schematic Digi International, Inc. © 2009 Page 34 of 38... -
Page 35: Figure 18: Development Board Schematic (Part A)
Digi m10 Hardware Reference v 1.20: Figure 18: Development Board Schematic (Part A) Figure 19: Development Board Schematic (Part B) Figure 20: Development Board Schematic (Part C) Digi International, Inc. © 2009 Page 35 of 38... -
Page 36: Figure 21: Development Board Schematic (Part D)
Digi m10 Hardware Reference v 1.20 Figure 21: Development Board Schematic (Part D) Digi International, Inc. © 2009 Page 36 of 38... - Page 37 Digi m10 Hardware Reference v 1.20: Digi International, Inc. © 2009 Page 37 of 38...
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Page 38: Appendix D: M10 Modifications For Industry Canada Compliance
Digi m10 host board. Appendix E: Recommendation for improving emission performance To improve the emission performance, it is recommended to add BLM18AG601SN1 on the m10 interfacing signals. Digi International, Inc. © 2009 Page 38 of 38...
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