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ORBCOMM OG2 Modem Integration Manual 

 

 

 

 

 

ii 

 

© 2015 ORBCOMM — All Rights Reserved. 

This publication, or any part thereof, may not be reproduced or transmitted in any form or by any means, electronic 
or mechanical, including photocopying, recording, storage in an information retrieval system, or otherwise, without 
prior written permission by ORBCOMM, Inc. 395 W Passaic Street, Suite 325, Rochelle Park, NJ 07662 USA Phone 
703-433-6329. 

 

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document, in whole or in part, may be reproduced, stored, transmitted, or used for  design purposes without the 
prior written permission of ORBCOMM. 

This document contains technical information and descriptions of the ORBCOMM System that reflect the status of 
the system design  and/or planned design  as of the date of issue.

   

 The contents  of this document  are subject  to 

change  without  notice,  and  no  warranty  or  representation,  expressed  or  implied,  is  made  with  respect  to  its 
contents.

  

 

The information in this document is for informational purposes only. 

 

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To obtain information additional information, please contact: 
Customer Service:  

[email protected]

, +1 703 433 6329 

Sales:  

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Содержание OG2

Страница 1: ...ORBCOMM Generation 2 OG2 Modem Consolidated Operational Description Document Number Revision Initial Date October 27 2015...

Страница 2: ...nt in whole or in part may be reproduced stored transmitted or used for design purposes without the prior written permission of ORBCOMM This document contains technical information and descriptions of...

Страница 3: ...ORBCOMM OG2 Modem Integration Manual iii Document History Version Issued By Issue Date Comments 1 ORBCOMM October 2015 Initial...

Страница 4: ...3 1 2 Output Power 15 3 1 3 Output Power Variance 15 3 1 4 Transmitter Power 15 3 1 5 Frequency Control 16 3 1 6 Transmit Frequency 16 3 1 7 Occupied Bandwidth 16 3 1 8 Transmitter Designator 16 3 2...

Страница 5: ...RE 2 1 MODEM BLOCK DIAGRAM 14 FIGURE 3 1 RF OUTPUT POWER VS INPUT VOLTAGE 16 FIGURE 4 1 MAXIMUM INPUT CURRENT VS INPUT VOLTAGE 18 FIGURE 4 2 INPUT VOLTAGE RISE TIMES 19 FIGURE 5 3 VOLTAGE FALL TIMES V...

Страница 6: ...m This document should not be construed as a specification It is the basis for developing the ORBCOMM Generation 2 Subscriber Communicator Standards and Specifications In the interim this document can...

Страница 7: ...2 1 Module Dimensions Overall dimensions and weight of the OG2 modem are indicated below RF connections will require space for routing miniature coax cables to antenna port locations Mechanical Dimen...

Страница 8: ...0 8 SPI1 PCS0 Output 1 8v 1 PCS0 SPI 1 chip select 9 GND Input Ground 10 SPI1 CLK Output 1 8v 1 CLK SPI 1 clock 11 Debug UART RX Input pin 6 user volt 3 RX UART 5 12 SPI1 SOUT Output 1 8v 1 SOUT SPI 1...

Страница 9: ...v TOS 37 SDHC0_CLK ADC6 SPI1_CLK Input Output 1 8v SD Card clock 10 bit ADC SPI 1 CLK 38 ADC 1 N Input 1 8v 1 16 bit 1 7v TOS 39 SDHC0_CMD ADC7 SPI1_SIN Input Output 1 8v1 SD Card cmd ADC SPI 1 data i...

Страница 10: ...y the voltage supplies to USER_DATA_POWER This voltage must be within the indicated voltage range 4 SATELLITE_IN_VIEW indicates that the receiver has currently locked on to a satellite downlink This i...

Страница 11: ...odule inserts into the connector at an angle and is held in place with screws and standoffs that match the connector height Ideally the standoffs and screws would interface to a ground connection on t...

Страница 12: ...unting standoffs 2 56 thread 3 16 length 18 8 stainless steel pan head Phillips screws 2 2 4 RF Connections The GPS and ORBCOMM VHF RF connectors are Hirose U FL series parts There are several mating...

Страница 13: ...ors The image below indicates the proper location for each port There are two modem models with and without GPS and accelerometer If the GPS antenna port and uBlox circuit are installed then the unit...

Страница 14: ...or Up to 1M Flash RTOS CMULT Frac N Modulator Direct Convertion Receiver Power Amplifier GPS 3 Axis Accelerometer Mini PCI Express Interface Wide Range Switching Supply 3v 15v JTAG USB CAN SD Card UAR...

Страница 15: ...seconds 3 1 2 Output Power Output power is fixed at approximately 5 5 Watts 0 5 Watts Value is set at the time of manufacture and no further adjustments are made during operation 3 1 3 Output Power V...

Страница 16: ...g corrections are provided to the modem based on the offset of the 7 bit burst All subsequent transmissions for this message session are corrected to within 50 Hz 3 1 6 Transmit Frequency The modem is...

Страница 17: ...upply The power supply is designed to operate in an efficient mode at all times The processor has power available continuously When the processor is in a low power mode the quiescent current can be as...

Страница 18: ...h demand events The circuit is short circuit protected has a soft start feature provides current limiting and a thermal shutdown feature The diagram below shows voltage rise time for the processor gra...

Страница 19: ...n input voltage of 10 volts If the processor experiences an interruption the processor low voltage detection will operate The circuit warning mode will create a system interrupt service routine and pr...

Страница 20: ...l Times vs Input Power Switched Off 4 3 2 Fast Transients All data lines are protected with low pass RF filters and ESD protection The filters are designed to meet IEC61000 4 2 level 4 and provide up...

Страница 21: ...Radiated Emissions EN 300 832 Sec 7 EN 300 721 V1 21 Annex C Unintentional Emissions EN 300 721 V1 21 Annex E Conducted Emissions EN 300 721 V1 21 Annex D RD Immunity EN 300 832 Sec 7 Transients Surg...

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