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QUALCOMM Incorporated
5775 Morehouse Drive
San Diego, CA. 92121-1714
U.S.A.
Copyright © 2001 QUALCOMM Incorporated.
All rights reserved. Printed in the United States of America.
This technology is controlled by the United States Government. Diversion contrary to U.S.
law prohibited.
QUALCOMM® is a registered trademark of QUALCOMM Incorporated.
Globalstar is a trademark of Loral QUALCOMM Satellite Services, Inc.
QUALCOMM Globalstar GSP-1620 Satellite Data Modem Integrators Reference Manual
80-99208-1, Rev. D
April 17, 2001
This manual is based on the
GSP-1620 Satellite Data Modem.
Software or hardware changes may
have occurred after this printing.
QUALCOMM reserves the right to make changes in
hardware, software, and technical and product specifications
without prior notice.
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Strany 1

QUALCOMM Incorporated5775 Morehouse DriveSan Diego, CA. 92121-1714U.S.A.Copyright © 2001 QUALCOMM Incorporated.All rights reserved. Printed in the Uni

Strany 2 - TABLE OF CONTENTS

80-99208-1 Rev. D xiLIST OF FIGURESFigure 1-1. Typical Modem SCADA Application Using Packet Data ...

Strany 3

Developing Modem Applications 80-99208-1 Rev. D 5-33NoteYou can also hang up an asynchronous data call by de-asserting DTR. However, if DTR is high on

Strany 4 - 80-99208-1 Rev. D v

Integrator’s Reference Manual5-34 80-99208-1 Rev. DAccessing Packet Data Over an Asynchronous ConnectionOnce an asynchronous connection has been estab

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Developing Modem Applications 80-99208-1 Rev. D 5-35Roaming and Asynchronous Data ServiceThe GSP-1620 modem is capable of both “fixed” operation in on

Strany 6 - 80-99208-1 Rev. D vii

Integrator’s Reference Manual5-36 80-99208-1 Rev. DTypical Modem Initialization StringsTable 5-5 summarizes some typical GSP-1620 modem initialization

Strany 7

Developing Modem Applications 80-99208-1 Rev. D 5-37Enter Online-Command Mode while a data call is progress on the Data port, then re-enter Online mod

Strany 8 - 80-99208-1 Rev. D ix

Integrator’s Reference Manual5-38 80-99208-1 Rev. D

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80-99208-1 Rev. D 6-1 6 AT COMMAND REFERENCEThis chapter provides complete details about the AT command set for the QUALCOMM Globalstar GSP-1620 Satel

Strany 10 - LIST OF FIGURES

Integrator’s Reference Manual6-2 80-99208-1 Rev. D• Special Calls and Services Commands (page 6-64)• Protocol Stack Modification Commands (page 6-70)N

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AT Command Reference 80-99208-1 Rev. D 6-3&D DTE DTR Behavior (p. 6-16) [0-2] 0 2&F Set to QUALCOMM-Defined Default Configuration (p. 6-17)00^

Strany 12 - LIST OF TABLES

Integrator’s Reference Manual6-4 80-99208-1 Rev. D+CRM Rm Interface Protocol Setting(p. 6-33)[0-1] 0 0+GSN Read phone ESN (p. 6-34) - - -+ICF Characte

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Integrator’s Reference Manualxii 80-99208-1 Rev. D

Strany 14 - REVISION HISTORY

AT Command Reference 80-99208-1 Rev. D 6-5$QCSMSP Print formatted information for current SMS message(p. 6-52)[0-1] 0 -$QCSMSL Lock current SMS messag

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Integrator’s Reference Manual6-6 80-99208-1 Rev. DNotes for Table 6-11The A/ command is a special function that does not require the S3command termina

Strany 16 - ABOUT THIS MANUAL

AT Command Reference 80-99208-1 Rev. D 6-7AT Commands OverviewCommand AlphabetThe ASCII character set is the alphabet used for the AT command set. Onl

Strany 17 - How This Manual Is Organized

Integrator’s Reference Manual6-8 80-99208-1 Rev. DCommand SyntaxFor AT command syntax in this chapter, the following definitions apply:• Words enclose

Strany 18 - Notational Conventions

AT Command Reference 80-99208-1 Rev. D 6-9Results ReturnedCommand Echo (E)SyntaxE[<value>]DescriptionDetermines whether or not the DCE echoes ch

Strany 19 - Abbreviations and Acronyms

Integrator’s Reference Manual6-10 80-99208-1 Rev. DValid ValuesPower-On/Reset Default Value(s)None.Results ReturnedOK or ERROR; see Table 6-3 on page

Strany 20 - 80-99208-1 Rev. D xxi

AT Command Reference 80-99208-1 Rev. D 6-11Monitor Speaker Mode (M)SyntaxM[<value>]DescriptionControls when the DCE speaker is on. The modem has

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Integrator’s Reference Manual6-12 80-99208-1 Rev. DResult Code Suppression (Q)SyntaxQ[<value>]DescriptionDetermines whether or not result codes

Strany 22 - Related Documentation

AT Command Reference 80-99208-1 Rev. D 6-13Select Tone Dialing (T)SyntaxTDescriptionCauses subsequent dialed digits to be signaled using DTMF tones. T

Strany 23 - Cautions and Warnings

Integrator’s Reference Manual6-14 80-99208-1 Rev. DValuesPower-On/Reset Default Value(s)1Results ReturnedOK or ERROR; see Table 6-3 on page 6-9 for de

Strany 24 - 1 GETTING STARTED

80-99208-1 Rev. D xiiiLIST OF TABLESTable 1-1. Typical GSP-1620 Modem Applications ...1-3Table 1-2. Checklist of Modem Integrator’

Strany 25 - GSP-1620 Modem Overview

AT Command Reference 80-99208-1 Rev. D 6-15ValuesNoteIn result codes, <text> is defined by the modem hardware and is not user-specifiable.Missin

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Integrator’s Reference Manual6-16 80-99208-1 Rev. DValuesPower-On/Reset Default Value(s)None.Results ReturnedOK or ERROR; see Table 6-3 on page 6-9 fo

Strany 27 - 1-4 80-99208-1 Rev. D

AT Command Reference 80-99208-1 Rev. D 6-17Valid ValuesPower-On/Reset Default Value(s)2Results ReturnedOK or ERROR; see Table 6-3 on page 6-9 for deta

Strany 28 - Asynchronous Data

Integrator’s Reference Manual6-18 80-99208-1 Rev. DResults ReturnedOK or ERROR; see Table 6-3 on page 6-9 for details.Basic Action CommandsThis sectio

Strany 29 - Conceptual Overview

AT Command Reference 80-99208-1 Rev. D 6-19Results ReturnedRepeat Last Command (A/)SyntaxA/DescriptionAlthough this is technically an AT command prefi

Strany 30 - 80-99208-1 Rev. D 1-7

Integrator’s Reference Manual6-20 80-99208-1 Rev. DResults ReturnedDial (D)SyntaxD<dial string>DescriptionOriginates a call if the dial string i

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AT Command Reference 80-99208-1 Rev. D 6-21data, Markov, or Loopback call is initiated. All other valid dial numbers, except dial numbers 1-99, initia

Strany 32 - 80-99208-1 Rev. D 1-9

Integrator’s Reference Manual6-22 80-99208-1 Rev. DHook Control (H)SyntaxH[<value>]DescriptionControls the “Hook State” of the modem. Going “ON-

Strany 33 - 1-10 80-99208-1 Rev. D

AT Command Reference 80-99208-1 Rev. D 6-23Valid Value(s)Missing Parameter Default Value(s)0Power-On/Reset Default Value(s)N/AResults ReturnedSee Tabl

Strany 34 - 2 QUICK BENCH SET-UP

Integrator’s Reference Manual6-24 80-99208-1 Rev. DResults ReturnedBasic S-RegistersThis section defines the basic S-registers for the modem and the f

Strany 35 - A Quick Tour of the Modem

Integrator’s Reference Manualxiv 80-99208-1 Rev. D

Strany 36 - 80-99208-1 Rev. D 2-3

AT Command Reference 80-99208-1 Rev. D 6-25Automatic Answer (S0)SyntaxS0{=<value>|?}DescriptionThe S0 parameter sets the number of rings before

Strany 37 - Connecting the Modem Cables

Integrator’s Reference Manual6-26 80-99208-1 Rev. DValid Value(s)Missing Parameter Default Value(s)N/APower-On/Reset Default Value(s)Results ReturnedS

Strany 38

AT Command Reference 80-99208-1 Rev. D 6-27Command Line Editing Character (S5)SyntaxS5{=<value>|?}DescriptionRepresents the value of the charact

Strany 39 - Connecting Antenna Cables

Integrator’s Reference Manual6-28 80-99208-1 Rev. DPower-On/Reset Default Value(s)Results ReturnedSee Table 6-4 on page 6-24 for result code details.C

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AT Command Reference 80-99208-1 Rev. D 6-29Comma Dial Modifier Time (S8)SyntaxS8{=<value>|?}DescriptionSpecifies the amount of time, in seconds,

Strany 41 - 005AA_01

Integrator’s Reference Manual6-30 80-99208-1 Rev. DValid Value(s)Missing Parameter Default Value(s)N/APower-On/Reset Default Value(s)Results ReturnedS

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AT Command Reference 80-99208-1 Rev. D 6-31DTMF Tone Duration and Spacing (S11)SyntaxS11{=<value>|?}DescriptionSpecifies the duration and spacin

Strany 43 - O-Ring groove

Integrator’s Reference Manual6-32 80-99208-1 Rev. DValid Value(s)Missing Parameter Default Value(s)N/APower-On/Reset Default Value(s)Results ReturnedS

Strany 44 - Grounding the System

AT Command Reference 80-99208-1 Rev. D 6-33Power-On/Reset Default Value(s)2Results ReturnedSet Rm Interface Protocol (+CRM)Syntax+CRM[=<value>|?

Strany 45 - Providing Power to the Modem

Integrator’s Reference Manual6-34 80-99208-1 Rev. DResults ReturnedGet Modem User Terminal ESN (+GSN)Syntax+GSN[=<value>|?|=?]DescriptionThis re

Strany 46 - 80-99208-1 Rev. D 2-13

80-99208-1 Rev. D xvREVISION HISTORYVersion Release Date NotesRev. A August 23, 2000 First Production ReleaseRev. B October 13, 2000 Revised hardware

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AT Command Reference 80-99208-1 Rev. D 6-35Set Character Framing (+ICF)Syntax+ICF[=<format>|=[<format>],[<parity>]|?|=?]DescriptionS

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Integrator’s Reference Manual6-36 80-99208-1 Rev. DPower-On/Reset Default Value(s)<format> = 3 (for format 3 parity value is ignored)<parity

Strany 49 - Testing the Modem Setup

AT Command Reference 80-99208-1 Rev. D 6-37As shown in the syntax above, either <DCE_by_DTE> or <DTE_by_DCE> can be optionally specified.

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Integrator’s Reference Manual6-38 80-99208-1 Rev. DResults ReturnedSet Rm Interface Command Baud Rate (+IPR)Syntax+IPR[=<rate>|?|=?]DescriptionS

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AT Command Reference 80-99208-1 Rev. D 6-39Valid Value(s)<rate>:Missing Parameter Default Value(s)See “Description” above for values assumed whe

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Integrator’s Reference Manual6-40 80-99208-1 Rev. DOnline-Command Mode CommandsOnline-Command mode allows the Online mode data stream to be interrupte

Strany 53 - Where to Go Next

AT Command Reference 80-99208-1 Rev. D 6-41Missing Parameter Default Value(s)N/A.Power-On/Reset Default Value(s)N/A.Results ReturnedAsynchronous Data

Strany 54 - 3 SERVICE-PROGRAMMING MODEMS

Integrator’s Reference Manual6-42 80-99208-1 Rev. DValid Value(s)Any valid combination of AT commands used to configure the IWF modem of an asynchrono

Strany 55 - Using the UTPST

AT Command Reference 80-99208-1 Rev. D 6-43As shown in the syntax above, any of <dir>, <comp_neg>,<max_dict> or <max_str> may

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Integrator’s Reference Manual6-44 80-99208-1 Rev. DMissing Parameter Default Value(s)See “Description” above for values assumed when optional paramete

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Integrator’s Reference Manualxvi 80-99208-1 Rev. D

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AT Command Reference 80-99208-1 Rev. D 6-45Error Control Selection Command (+ES)Syntax+ES[=[<orig_rqst>[,<orig_fbk>[,<ans_fbk>]]]|?|

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Integrator’s Reference Manual6-46 80-99208-1 Rev. D<orig_fbk>:<ans_fbk>:0 Error control optional (either LAPM or Alternative acceptable);

Strany 60 - Upgrading Modem Software

AT Command Reference 80-99208-1 Rev. D 6-47Missing Parameter Default Value(s)See “Description” above for values assumed when optional parameters are m

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Integrator’s Reference Manual6-48 80-99208-1 Rev. DValid Value(s)Missing Parameter Default Value(s)Power-On/Reset Default Value(s)Results ReturnedDorm

Strany 62 - 4 MAKING SIMPLE DATA CALLS

AT Command Reference 80-99208-1 Rev. D 6-49Set Dormant Mode Timeout Value (+CTA)Syntax+CTA[=<timeout>|?|=?]DescriptionSets/tests the number of s

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Integrator’s Reference Manual6-50 80-99208-1 Rev. DPacket No Dial ($QCPKND)Syntax$QCPKND[=<mode>|?|=?]DescriptionModifies the behavior of the mo

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AT Command Reference 80-99208-1 Rev. D 6-51Results ReturnedSMS CommandsThe following commands access the Short Messaging Services (SMS) of the modem.

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Integrator’s Reference Manual6-52 80-99208-1 Rev. DValues<move><del>Default Value(s)Power-On DefaultNone.Results ReturnedSMS Print ($QCSMS

Strany 66 - Entering Online-Command Mode

AT Command Reference 80-99208-1 Rev. D 6-53ValuesDefault Value0Power-On DefaultNone.Results ReturnedFormat Field DefinitionsSee Table 6-5.0 Same as Ti

Strany 67 - 4-6 80-99208-1 Rev. D

Integrator’s Reference Manual6-54 80-99208-1 Rev. DTable 6-5. SMS Print Command Field DefinitionsField Name DescriptionINDEX: This field is a unique 3

Strany 68 - DEVELOPING MODEM APPLICATIONS

80-99208-1 Rev. D xviiABOUT THIS MANUALThis QUALCOMM Globalstar GSP-1620 Satellite Data Modem Integrator’s Reference Manual, also referred to as the I

Strany 69 - SCADA Application Components

AT Command Reference 80-99208-1 Rev. D 6-55TYPE: This field represents the SMS message type. Possible values are:SMSI_CPT_95SMSI_CMT_95SMSI_VMN_95SMSI

Strany 70 - 80-99208-1 Rev. D 5-3

Integrator’s Reference Manual6-56 80-99208-1 Rev. DSMS Lock ($QCSMSL)Syntax$QCSMSL[=<lock>]DescriptionLock or unlock (that is, set or clear the

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AT Command Reference 80-99208-1 Rev. D 6-57Results ReturnedSMS Alert ($QCSMSA)Syntax$QCSMSA[=<alert>|?|=?]DescriptionThis command sets whether t

Strany 72 - Modem Application Scenarios

Integrator’s Reference Manual6-58 80-99208-1 Rev. DSMS Info ($QCSMSI)Syntax$QCSMSIDescriptionReturns the current state of the SMS database. This state

Strany 73 - 5-6 80-99208-1 Rev. D

AT Command Reference 80-99208-1 Rev. D 6-59Format Field DefinitionsError Log Services CommandsRetrieve Error Log ($QCERR)Syntax$QCERRDescriptionReturn

Strany 74 - Working with Modem Features

Integrator’s Reference Manual6-60 80-99208-1 Rev. DResults ReturnedClear Error Log ($QCCLR)Syntax$QCCLRDescriptionClears the error log.ValuesNone.Defa

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AT Command Reference 80-99208-1 Rev. D 6-61Service Status CommandsService Alert ($QCSA)Syntax$QCSA[=<alert>|?|=?]DescriptionTurns ON or OFF the

Strany 76 - Port Arbitration Behavior

Integrator’s Reference Manual6-62 80-99208-1 Rev. DService Status ($QCSTATUS)Syntax$QCSTATUSDescriptionReturns the current status of the modem. Inform

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AT Command Reference 80-99208-1 Rev. D 6-63Table 6-7. Modem Status InformationSERVICE AVAILABLE:YES if the modem has acquired Globalstar service; othe

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Integrator’s Reference Manual6-64 80-99208-1 Rev. DSpecial Calls and Services CommandsTime of Day ($QCTOD)Syntax$QCTOD[=<tformat|=?>]CALL STATE:

Strany 79 - AT Command Processing Modes

Integrator’s Reference Manualxviii 80-99208-1 Rev. DHow This Manual Is OrganizedThis following table summarizes how information is organized in this m

Strany 80 - 80-99208-1 Rev. D 5-13

AT Command Reference 80-99208-1 Rev. D 6-65DescriptionExports the time of day as received from the Globalstar system. The application can use this to

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Integrator’s Reference Manual6-66 80-99208-1 Rev. DPosition Location Service ($QCPLS)Syntax$QCPLS[=<position type>|=[<position type>],[<

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AT Command Reference 80-99208-1 Rev. D 6-67Power-On DefaultNone.Results ReturnedResult Code ConditionN: DDD MM SS W: DDD MM SS <position type> w

Strany 83 - Globalstar Satellite Service

Integrator’s Reference Manual6-68 80-99208-1 Rev. DMarkov Statistics ($QCMSTATS)Syntax$QCMSTATSDescriptionReturns the statistics from the last Markov

Strany 84 - Short Messaging Service (SMS)

AT Command Reference 80-99208-1 Rev. D 6-69Set Mode ($QCMODE)Syntax$QCMODE[=<mode>|?|=?]DescriptionThis command sets the modem’s call mode. It d

Strany 85 - SMS AT Commands

Integrator’s Reference Manual6-70 80-99208-1 Rev. DProtocol Stack Modification CommandsCautionWe strongly recommend that you do not use these commands

Strany 86 - Globalstar Service Alerts

AT Command Reference 80-99208-1 Rev. D 6-71NoteAs shown in the syntax above, any of the parameters can be optionally specified. Any unspecified value

Strany 87 - Service Status Message

Integrator’s Reference Manual6-72 80-99208-1 Rev. D<uppertxmss><rxmss><minrto><maxrto><minato><maxato><maxtcpba

Strany 88 - Using Packet Data

AT Command Reference 80-99208-1 Rev. D 6-73Results ReturnedUse Van Jacobsen Header Compression ($QCVJ)Syntax$QCVJ[=<usevj>|?|=?]DescriptionAllow

Strany 89 - Data Rate and Throughput

Integrator’s Reference Manual6-74 80-99208-1 Rev. DResults ReturnedResult Code ConditionOK The requested operation was successful.ERROR If an illegal

Strany 90 - Dynamic IP Addressing

About This Manual 80-99208-1 Rev. D xixNotational ConventionsThe following table shows the notational conventions that convey specific types of inform

Strany 91 - Finding IP Addresses

80-99208-1 Rev. D 7-1 7 INTEGRATING GSP-1620 MODEMSINTO OEM PRODUCTSOEMs can buy QUALCOMM Globalstar GSP-1620 Satellite Data Modems in bulk direct fro

Strany 92 - Dormant Mode Service

Integrator’s Reference Manual7-2 80-99208-1 Rev. D❑ Positioning antennas for Globalstar service, and mounting and sealing antennas• Environmental spec

Strany 93

Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-3Modem Mechanical DescriptionThe GSP-1620 modem is a sandwich made of two circuit ca

Strany 94 - ■ Use the ATD#777 command

Integrator’s Reference Manual7-4 80-99208-1 Rev. DFigure 7-1. GSP-1620 Modem Board Layout (Top View)37.51[1.477]7.28[.287]7.27[.286]127.50[5.019]158.7

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Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-5Figure 7-2. GSP-1620 Modem Board Layout (Side/ Bottom Views)17.16.676[]4.00[.157]14

Strany 96 - 80-99208-1 Rev. D 5-29

Integrator’s Reference Manual7-6 80-99208-1 Rev. DModem Dimensions and WeightModem dimensions are 190 x 75 x 17 millimeters (7.48 x 2.95 x 0.68 inches

Strany 97 - Using Asynchronous Data

Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-7NoteThe modem signal naming convention assumes that the modem is the DCE and that t

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Integrator’s Reference Manual7-8 80-99208-1 Rev. DChanging Data and Control Port ConfigurationYou may change the Data and Control port configuration a

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Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-9The Control port is “enabled” by asserting DTR on the Control port.In case of a reb

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Integrator’s Reference Manual7-10 80-99208-1 Rev. DTable 7-1. Interface Connector PinoutsPin NumberSignal Name Signal LevelDirection User <-> Mo

Strany 101 - 5-34 80-99208-1 Rev. D

Integrator’s Reference Manualxx 80-99208-1 Rev. DAbbreviations and AcronymsAC Alternating CurrentAPI Application Programming InterfaceAT AttentionCCA

Strany 102 - 80-99208-1 Rev. D 5-35

Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-1115 CP_DSR RS-232 DTE <- DCE This pin is the DSR for the Control port and is ass

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Integrator’s Reference Manual7-12 80-99208-1 Rev. DDiagnostic PortThe Diagnostic port consists of a single DE-9 male upright connector, located on the

Strany 104 - +++ (surrounded by

Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-13powering down the modem with this cable attached, you must set this switch to “POS

Strany 105 - 5-38 80-99208-1 Rev. D

Integrator’s Reference Manual7-14 80-99208-1 Rev. DTable 7-2. Diagnostic Port PinoutsPin NumberSignal Name Direction User <-> ModemDescription

Strany 106 - 6 AT COMMAND REFERENCE

Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-15DC PowerThe GSP-1620 modem requires input DC power ranging from 5.6 V to 16 V, wit

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Integrator’s Reference Manual7-16 80-99208-1 Rev. DCautionYou CANNOT have both a DC power supply and an AC adapter connected to the modem at the same

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Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-17the DC power consumption of the ODU antenna’s receive section.The power modes in T

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Integrator’s Reference Manual7-18 80-99208-1 Rev. DPower-Off Power-off is also controlled via the OR’d DTR signals. When all port DTRs have been de-as

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Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-19shielded cable configuration in order to demonstrate compliance with the requireme

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Integrator’s Reference Manual7-20 80-99208-1 Rev. DFor hole size and locations, connector locations, and overall envelope dimensions, see Figure 7-1 o

Strany 112 - AT Commands Overview

80-99208-1 Rev. D iiiTABLE OF CONTENTSWho Should Use This Manual ... xviiHow This Manua

Strany 113 - Basic AT Commands

About This Manual 80-99208-1 Rev. D xxiFDX Full-DuplexGAI Globalstar Air InterfaceGEO geostationary-Earth-orbitGLP Globalstar Limited PartnershipGMT G

Strany 114 - Get Info (I)

Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-21from time to time upon notice to the buyer. The product markings shall appear in a

Strany 115 - Monitor Speaker Loudness (L)

Integrator’s Reference Manual7-22 80-99208-1 Rev. DMounting Antennas On-SiteThis section describes the Dielectric Resonator Antenna (DRA, also called

Strany 116 - Select Pulse Dialing (P)

Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-23Figure 7-5. DRA View Showing ConnectorsAntenna Dimensions and WeightThe DRA antenn

Strany 117 - Result Code Suppression (Q)

Integrator’s Reference Manual7-24 80-99208-1 Rev. DFigure 7-6. DRA Top and Side Views

Strany 118 - DCE Response Format (V)

Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-25Figure 7-7. DRA Bottom View and Mounting Hole LocationsAntenna Cable Specification

Strany 119

Integrator’s Reference Manual7-26 80-99208-1 Rev. DQUALCOMM does not provide cables for OEM bulk applications since OEMs may need cables of different

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Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-27Calculating Antenna Cable LengthThe maximum loss for an antenna cable of any lengt

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Integrator’s Reference Manual7-28 80-99208-1 Rev. DNoteGlobalstar frequencies are attenuated by wet snow. When mounting the antenna in a snowy locatio

Strany 122

Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-29Instead, you should fill the groove on the antenna, which is normally used for the

Strany 123 - Basic Action Commands

Integrator’s Reference Manual7-30 80-99208-1 Rev. DEnvironmental SpecificationsThis section describes environmental specifications for both the QUALCO

Strany 124 - Repeat Last Command (A/)

Integrator’s Reference Manualxxii 80-99208-1 Rev. DPLS Position Location ServicePOS Point of Sale; or PositionPPP Point-to-Point ProtocolPST Pacific S

Strany 125 - Dial (D)

Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-31Figure 7-8. GSP-1620 Modem Temperature/Humidity EnvelopeThermal RadiationThe tempe

Strany 126

Integrator’s Reference Manual7-32 80-99208-1 Rev. DAltitudeOperationalThe GSP-1620 modem operates at standard atmospheric pressure altitudes between 0

Strany 127 - Hook Control (H)

Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-33Figure 7-9. GSP-1620 Modem Random Vibration Spectra10-510-110-410-310-21101001000

Strany 128

Integrator’s Reference Manual7-34 80-99208-1 Rev. DMechanical ShockOperational The GSP-1620 modem operates as specified while being subjected to a hal

Strany 129 - Basic S-Registers

Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-35RF Connector DurabilityThe GSP-1620 modem RF connectors meet all performance requi

Strany 130 - Automatic Answer (S0)

Integrator’s Reference Manual7-36 80-99208-1 Rev. DNon-OperationalThe DRA operates as specified after exposure to the operational and non-operational

Strany 131

Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-37Icing/Freezing Rain/SnowAny ice or freezing rain on the radome of the ODU will cau

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Integrator’s Reference Manual7-38 80-99208-1 Rev. DFigure 7-11. DRA Random Vibration SpectrumMechanical Shock Operational The DRA operates as specifie

Strany 133

Integrating GSP-1620 Modems into OEM Products 80-99208-1 Rev. D 7-39RF Connector DurabilityThe DRA RF connectors meet all performance requirements aft

Strany 134 - Comma Dial Modifier Time (S8)

Integrator’s Reference Manual7-40 80-99208-1 Rev. D

Strany 135

About This Manual 80-99208-1 Rev. D xxiiiTXDTransmit DataUCT Universal Coordinated TimeURL Uniform Resource LocatorUT User TerminalUTC Universal Time

Strany 136 - Silent Retry Timeout (S777)

80-99208-1 Rev. D 8-1 8 TROUBLESHOOTINGIf you are having a problem with a QUALCOMM Globalstar GSP-1620 Satellite Data Modem, try the troubleshooting t

Strany 137

Integrator’s Reference Manual8-2 80-99208-1 Rev. DThe modem does not seem to be getting power, even though it is plugged in. Both the AC power connec

Strany 138 - is assumed to be 1

80-99208-1 Rev. D A-1A GLOBALSTAR BACKGROUNDGlobalstar is a voice and data telecommunications system utilizing a constellation of 48 low-Earth-orbit (

Strany 139

Integrator’s Reference ManualA-2 80-99208-1 Rev. DSpace SegmentThe space segment consists of 48 LEO satellites (and eight additional in-orbit spares)

Strany 140 - Set Character Framing (+ICF)

Globalstar Background 80-99208-1 Rev. D A-3Figure A-1. Globalstar Coverage Availability

Strany 141 - Set Local Flow Control (+IFC)

Integrator’s Reference ManualA-4 80-99208-1 Rev. DThe map and list in Figure A-1 depict current and planned Globalstar service coverage. Actual covera

Strany 142

Globalstar Background 80-99208-1 Rev. D A-5Distributors and OEMs for User TerminalsCustomers access the Globalstar system by means of User Terminals,

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Integrator’s Reference ManualA-6 80-99208-1 Rev. D

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80-99208-1 Rev. D B-1 B RF CERTIFICATION/RESTRICTIONSThis appendix discusses certification compliance for the QUALCOMM Globalstar GSP-1620 Satellite D

Strany 145 - Online-Command Mode Commands

Integrator’s Reference ManualB-2 80-99208-1 Rev. DQUALCOMM Incorporated does not accept any responsibility for regulatory compliance of the OEM produc

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Integrator’s Reference Manualxxiv 80-99208-1 Rev. DCautions and WarningsWarningBefore working with the modem hardware or power connections, remove rin

Strany 147

RF Certification/Restrictions 80-99208-1 Rev. D B-3RF RestrictionsThe GSP-1620 modem must be used with the QUALCOMM- provided antenna, and no modifica

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Integrator’s Reference ManualB-4 80-99208-1 Rev. D• ICNIRP (1996) [International Commission on Non-Ionizing Radiation Protection]• IRPA (1991) [Intern

Strany 149

RF Certification/Restrictions 80-99208-1 Rev. D B-5For a wireless modem, which has a higher power output than a wireless phone, the distance must be i

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Integrator’s Reference ManualB-6 80-99208-1 Rev. D

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80-99208-1 Rev. D C-1C WARRANTYThe warranty for the QUALCOMM Globalstar GSP-1620 Satellite Data Modem and GSP-1620 Modem Integrator’s Kit (MIK) will b

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Integrator’s Reference ManualC-2 80-99208-1 Rev. D

Strany 153 - Dormant Mode Commands

80-99208-1 Rev. D D-1D PRODUCT SUPPORTThis appendix provides support information for the QUALCOMM Globalstar GSP-1620 Satellite Data Modem hardware an

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Integrator’s Reference ManualD-2 80-99208-1 Rev. DContact Technical Support for any Satellite Data Modem related issue, including when you need to:• T

Strany 155 - Packet No Dial ($QCPKND)

Product Support 80-99208-1 Rev. D D-3Website InformationThe QUALCOMM Customer Service Website is located at http://www.gstechsupport.qualcomm.com.Only

Strany 156 - SMS Commands

Integrator’s Reference ManualD-4 80-99208-1 Rev. DContact information•WebsiteThe following Website address is available to registered users. Forms are

Strany 157 - SMS Print ($QCSMSP)

80-99208-1 Rev. D 1-1 1 GETTING STARTEDWelcome to the Integrator’s Reference Manual for the QUALCOMM Globalstar GSP-1620 Satellite Data Modem.The GSP-

Strany 158 - See Table 6-5

Product Support 80-99208-1 Rev. D D-5The following email address is available to all customers.❑ [email protected] answers for all pr

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Integrator’s Reference ManualD-6 80-99208-1 Rev. D

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80-99208-1 Rev. D E-1E SPECIFICATION SUMMARYThis appendix summarizes the specifications for the QUALCOMM Globalstar GSP-1620 Satellite Data Modem and

Strany 161 - SMS Lock ($QCSMSL)

Integrator’s Reference ManualE-2 80-99208-1 Rev. DAntenna Cable (not included) Two cables required: transmit and receiveMale SMA to Male MCXTransmit c

Strany 162 - SMS Alert ($QCSMSA)

Specification Summary 80-99208-1 Rev. D E-3Table E-2. Specification Summary — Dielectric Resonator Antenna (DRA)Parameter TX Specification RX Specific

Strany 163 - SMS Info ($QCSMSI)

Integrator’s Reference ManualE-4 80-99208-1 Rev. D[1] q = 0 is zenith. [2] combined LNA and Filter over the operating temperature[3] at Tsky = 200 K[4

Strany 164 - Error Log Services Commands

80-99208-1 Rev. D Index-1INDEXSymbols+++ escape sequence 4-5, 5-10, 5-11, 5-37, 6-40AA/ 6-19AC adapter 2-7, 2-12, 2-13acknowledgment timer 6-70acousti

Strany 165 - Clear Error Log ($QCCLR)

Integrator’s Reference ManualIndex-2 80-99208-1 Rev. Doverview 1-2, 5-4using with packet data 5-34, 6-50AT 2-17AT command processor 5-9, 5-13AT comman

Strany 166 - Service Status Commands

Index 80-99208-1 Rev. D Index-3AT+IPR? 2-17AT+MS 6-47ATA 5-33, 6-18ATD 5-10, 5-11, 6-20ATD#777 4-4, 5-10, 5-11, 5-27, 5-32ATE 6-9ATH 4-5, 5-10, 5-11,

Strany 167 - Service Status ($QCSTATUS)

Integrator’s Reference ManualIndex-4 80-99208-1 Rev. Dshields 7-18suppliers 7-26CALLDURATION4-3, 6-64NUMBER 4-3, 6-64STATE 4-3, 6-64TYPE 4-3, 6-64call

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Integrator’s Reference Manual1-2 80-99208-1 Rev. DGSP-1620 Modem OverviewThe QUALCOMM Globalstar GSP-1620 Satellite Data Modem delivers reliable digit

Strany 169 - Time of Day ($QCTOD)

Index 80-99208-1 Rev. D Index-5J3 2-6, 7-3, 7-6J7 2-6, 7-3, 7-6MCX 7-25modem 7-3modem antenna 7-6RF durability 7-35, 7-39Rx 2-6, 2-9, 7-22SMA 7-25, 7-

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Integrator’s Reference ManualIndex-6 80-99208-1 Rev. Ddeveloping modem applications 5-1Diagnosticcable2-7, 7-12connecting for UTPST 3-2switch box 2-7,

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Index 80-99208-1 Rev. D Index-7emissions16057-29problems 2-9enclosures 7-19, B-1metallic 7-18QUALCOMM mark on 7-20regulatory labels on 7-21environment

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Integrator’s Reference ManualIndex-8 80-99208-1 Rev. DGlobalstarAir Interface5-16background information A-1Communications System 1-2coverage A-2Custom

Strany 173 - Markov Statistics ($QCMSTATS)

Index 80-99208-1 Rev. D Index-9HyperTerminal 2-15, 5-2checking modem status 4-2making calls 4-4setting up 2-15Iice 7-29, 7-37ICNIRP (1996) B-4IDLE 6-6

Strany 174 - Set Mode ($QCMODE)

Integrator’s Reference ManualIndex-10 80-99208-1 Rev. DMarkov call 4-3, 5-10, 5-11, 6-21DTR behavior 5-15statistics 6-68MARKOV call type 6-64MCC 3-5,

Strany 175 - TCP Stack Changes ($QCTCP)

Index 80-99208-1 Rev. D Index-11MPE B-4MSIN 3-5MSS 5-16multiplexing, packet data 6-32MULTITONE 6-64MUX 6-32NNational Safe Transit Association 7-35, 7-

Strany 176 - is set to zero, the rest

Integrator’s Reference ManualIndex-12 80-99208-1 Rev. DPause Before Blind Dialing Time 6-27pauses, during dialing 6-29periodic application 5-6Perl 5-2

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Index 80-99208-1 Rev. D Index-13REGISTRATION 4-3, 6-63registration, Gateway 5-30regulatorylabeling7-21requirements 7-21Repeat Last Command 6-19re-prog

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Integrator’s Reference ManualIndex-14 80-99208-1 Rev. DSelectPulse Dialing6-11Tone Dialing 6-13SELF TEST 2-16separation distance B-4serial port 6-35se

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Getting Started 80-99208-1 Rev. D 1-3Typical Modem SCADA ApplicationsIn remote settings or difficult-to-access sites, acquiring and responding to proc

Strany 180 - OEM PRODUCTS

Index 80-99208-1 Rev. D Index-15mobile-terminated 5-17calls 5-18Move/Delete 6-51port configuration 5-17Print 6-52printing current message 6-52sample s

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Integrator’s Reference ManualIndex-16 80-99208-1 Rev. Dtools, recommended development 5-2traffic channel 5-8, 5-25transmitmode7-17section, antenna 7-2

Strany 182 - Modem Mechanical Description

Integrator’s Reference Manual1-4 80-99208-1 Rev. DFigure 1-1. Typical Modem SCADA Application Using Packet DataFor packet data connections, the GSP-16

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Getting Started 80-99208-1 Rev. D 1-5Figure 1-2. Typical Modem SCADA Application Using Asynchronous DataFor asynchronous data connections, the GSP-162

Strany 184 - 80-99208-1 Rev. D 7-5

Integrator’s Reference Manual1-6 80-99208-1 Rev. DFor example, in the electric utility industry, a SCADA application using the GSP-1620 modem could re

Strany 185 - Data and Control Ports

Integrator’s Reference Manualiv 80-99208-1 Rev. DService-Programming Modems ...3-1UTPST Overv

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Getting Started 80-99208-1 Rev. D 1-7The GSP-1620 modem is a bare board “sandwich” stack of Circuit Card Assemblies (CCA) containing two boards:• Glob

Strany 187 - Control Port Signals

Integrator’s Reference Manual1-8 80-99208-1 Rev. DTable 1-2. Checklist of Modem Integrator’s Kit ComponentsKit ComponentQUALCOMM Globalstar GSP-1620 S

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Getting Started 80-99208-1 Rev. D 1-9What You May Need in Addition to the KitThe Modem Integrator’s Kit should be sufficient for setting up one modem

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Integrator’s Reference Manual1-10 80-99208-1 Rev. D

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80-99208-1 Rev. D 2-1 2 QUICK BENCH SET-UPYour GSP-1620 Modem Integrator’s Kit contains a QUALCOMM Globalstar GSP-1620 Satellite Data Modem. This chap

Strany 191 - Diagnostic Port

Integrator’s Reference Manual2-2 80-99208-1 Rev. DConnecting Hardware ComponentsThe setup process for the GSP-1620 modem includes:• A quick tour of th

Strany 192 - Diagnostic Port Pinouts

Quick Bench Set-Up 80-99208-1 Rev. D 2-3Figure 2-1. Simplified Top View of GSP-1620 ModemDiagnostic Port(Diagnostic cable connects here forUTPST, AC p

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Integrator’s Reference Manual2-4 80-99208-1 Rev. DConnecting the Modem CablesFor the GSP-1620 modem to work, you must connect several cables:• Modem i

Strany 194 - DC Power

Quick Bench Set-Up 80-99208-1 Rev. D 2-5123StepsTO CONNECT THE INTERFACE CABLE TO THE MODEM Connect the DB-25 modem connector on the interface cable

Strany 195 - Power Consumption

Integrator’s Reference Manual2-6 80-99208-1 Rev. DConnecting Antenna CablesThe Modem Integrator’s Kit contains two antenna cables (3 feet long) with s

Strany 196 - Power-On

Table of Contents 80-99208-1 Rev. D vIP Addressing for the GSP-1620 Modem ...5-23Dynamic IP Addressing ...

Strany 197 - Grounding

Quick Bench Set-Up 80-99208-1 Rev. D 2-7Connecting the Diagnostic CableThe Diagnostic cable lets you:• Service-program GSP-1620 modems, using the Glob

Strany 198 - Modem Mounting Guidelines

Integrator’s Reference Manual2-8 80-99208-1 Rev. DFigure 2-3. Modem Diagnostic CablePOS 1DTR to GRDPOS 2DTR OPENPOS 3NOT USEDPC Connector"P1 - PC

Strany 199

Quick Bench Set-Up 80-99208-1 Rev. D 2-9123StepsTO CONNECT THE DIAGNOSTIC PORT CABLE1. Connect the DE-9 modem connector (“P2-Module”) on the Diagnosti

Strany 200 - 80-99208-1 Rev. D 7-21

Integrator’s Reference Manual2-10 80-99208-1 Rev. DFigure 2-4. Antenna Base Showing Connectors123StepsTO MOUNT THE ANTENNA1. Locate the antenna outdoo

Strany 201 - Mounting Antennas On-Site

Quick Bench Set-Up 80-99208-1 Rev. D 2-113. Plug the other antenna cable into the receive (Rx) connector on the antenna.4. Secure the antenna to a fla

Strany 202 - Antenna Depiction

Integrator’s Reference Manual2-12 80-99208-1 Rev. DProviding Power to the ModemThe GSP-1620 modem requires input DC power of 5.6 V to 16 V, 1 Amp (max

Strany 203 - 7-24 80-99208-1 Rev. D

Quick Bench Set-Up 80-99208-1 Rev. D 2-13123StepsTO POWER THE MODEM USING THE KIT’S AC ADAPTER1. On the Modem Interface cable bridle (shown in Figure

Strany 204 - Antenna Cable Specifications

Integrator’s Reference Manual2-14 80-99208-1 Rev. DCautionTo power off the GSP-1620 modem, set the DTR switch to “POS 2 DTR Open,” wait at least 10 se

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Quick Bench Set-Up 80-99208-1 Rev. D 2-15Setting Up HyperTerminal to Talk to the ModemTo talk to the modem you will need HyperTerminal or a similar pr

Strany 206 - when calculating

Integrator’s Reference Manual2-16 80-99208-1 Rev. D2. In HyperTerminal, click OK to accept the settings.HyperTerminal automatically attempts to connec

Strany 207 - Securing Antenna Cables

Integrator’s Reference Manualvi 80-99208-1 Rev. DDCE Received Line Signal Detector Behavior (&C) ...6-16DTE Data Terminal Ready Behavio

Strany 208 - Mounting Multiple Antennas

Quick Bench Set-Up 80-99208-1 Rev. D 2-17123StepsTO CHECK THE BAUD RATE ON THE CONTROL PORT 1. Look at the Status bar at the bottom of the HyperTermin

Strany 209 - Environmental Specifications

Integrator’s Reference Manual2-18 80-99208-1 Rev. DResetting or Powering Off the ModemThis section suggests some procedures suitable for resetting or

Strany 210 - CONSTANT 39.1C DEW POINT

Quick Bench Set-Up 80-99208-1 Rev. D 2-193. If the Diagnostic cable is connected to the modem, set the switch to “POS 2 DTR Open.”When this switch is

Strany 211 - Vibration

Integrator’s Reference Manual2-20 80-99208-1 Rev. DWhere to Go NextNow that the GSP-1620 modem has power and you can communicate with it, here is wher

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80-99208-1 Rev. D 3-1 3 SERVICE-PROGRAMMING MODEMSQUALCOMM Globalstar GSP-1620 Satellite Data Modems work within the Globalstar satellite system, usin

Strany 213 - Acoustic Noise

Integrator’s Reference Manual3-2 80-99208-1 Rev. DUTPST OverviewThe Globalstar User Terminal Program Support Tool (UTPST) lets you view, change, and s

Strany 214 - Temperature/Humidity

Service-Programming Modems 80-99208-1 Rev. D 3-32. Make sure the power connectors of the Modem Interface cable are not connected to a DC power supply.

Strany 215 - Thermal Radiation

Integrator’s Reference Manual3-4 80-99208-1 Rev. DRe-programming Default ParametersA GSP-1620 modem leaves the factory with a default set of service p

Strany 216 - Icing/Freezing Rain/Snow

Service-Programming Modems 80-99208-1 Rev. D 3-5Table 3-1. Service Programming Parameters You Must Set Parameter /DefaultDescription Action Required

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Integrator’s Reference Manual3-6 80-99208-1 Rev. DGlobalstar Home Service Provider Mobile Country Code (MCC)Factory default:UnprogrammedThe 3-digit mo

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Table of Contents 80-99208-1 Rev. D viiDormant Mode Commands ... 6-48Set Dormant Mo

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Service-Programming Modems 80-99208-1 Rev. D 3-7Bulk-Programming ModemsIf you need to service-program modems in bulk, for instance to be shipped with

Strany 220 - 8 TROUBLESHOOTING

Integrator’s Reference Manual3-8 80-99208-1 Rev. D• Boot block software — contains a minimal set of functionality needed to “boot” the modem (get it s

Strany 221 - ■ Make sure the baud rate in

80-99208-1 Rev. D 4-1 4 MAKING SIMPLE DATA CALLSThis chapter is essentially a quick tutorial that demonstrates making simple packet data calls from th

Strany 222 - A GLOBALSTAR BACKGROUND

Integrator’s Reference Manual4-2 80-99208-1 Rev. Dwhether the modem has registered with the Gateway, and the current call state. In this case, you wil

Strany 223 - Coverage

Making Simple Data Calls 80-99208-1 Rev. D 4-3If the modem and antenna have been set up and service programmed correctly, SERVICE AVAILABLE should say

Strany 224 - 80-99208-1 Rev. D A-3

Integrator’s Reference Manual4-4 80-99208-1 Rev. DTipFor complete details about making calls and understanding modem port arbitration issues, see Deve

Strany 225 - Carriers

Making Simple Data Calls 80-99208-1 Rev. D 4-5Entering Online-Command ModeWhile a packet data call is in progress on the Data port (the modem is in On

Strany 226 - 80-99208-1 Rev. D A-5

Integrator’s Reference Manual4-6 80-99208-1 Rev. D

Strany 227 - A-6 80-99208-1 Rev. D

80-99208-1 Rev. D 5-1 5 DEVELOPING MODEM APPLICATIONSThis chapter discusses developing market-specific software applications to work with the QUALCOMM

Strany 228 - RF CERTIFICATION/RESTRICTIONS

Integrator’s Reference Manual5-2 80-99208-1 Rev. DNoteFor complete reference information about all modem-supported AT commands, including syntax, desc

Strany 229 - B-2 80-99208-1 Rev. D

Integrator’s Reference Manualviii 80-99208-1 Rev. DDC Power ...7-15Surge

Strany 230 - RF Restrictions

Developing Modem Applications 80-99208-1 Rev. D 5-3• Data flows to and from the modem over-the-air, using the Globalstar satellites and Gateways conne

Strany 231 - Pacemakers

Integrator’s Reference Manual5-4 80-99208-1 Rev. DPacket/Asynchronous Data OverviewThe GSP-1620 modem handles both packet and asynchronous data connec

Strany 232 - Other Medical Devices

Developing Modem Applications 80-99208-1 Rev. D 5-5Modem Application ScenariosDepending on the requirements of your SCADA or OEM application, you can

Strany 233 - B-6 80-99208-1 Rev. D

Integrator’s Reference Manual5-6 80-99208-1 Rev. D• Scenario 2 — A periodic application:❑ No auto-answer.❑ Application powers on the modem periodicall

Strany 234 - C WARRANTY

Developing Modem Applications 80-99208-1 Rev. D 5-7Working with Modem FeaturesThis section discusses key features of the GSP-1620 modem and how to use

Strany 235 - C-2 80-99208-1 Rev. D

Integrator’s Reference Manual5-8 80-99208-1 Rev. DThe Um interface shown in Figure 5-2 is the dedicated wireless traffic channel between the GSP-1620

Strany 236 - D PRODUCT SUPPORT

Developing Modem Applications 80-99208-1 Rev. D 5-9• Control port only — only AT commands can be sent to modem (no data).• Data and Control ports — th

Strany 237 - Order Fulfillment Information

Integrator’s Reference Manual5-10 80-99208-1 Rev. DTable 5-3. Port Arbitration BehaviorControl Port ActiveData Port ActivePort BehaviorNo No Control a

Strany 238 - Website Information

Developing Modem Applications 80-99208-1 Rev. D 5-11Yes Yes All AT commands are processed on the Control port. The Data port is used only for the tran

Strany 239 - Contact information

Integrator’s Reference Manual5-12 80-99208-1 Rev. DAT Command Processing ModesData services AT command processing consists of three modes:• Command mo

Strany 240 - 80-99208-1 Rev. D D-5

Table of Contents 80-99208-1 Rev. D ixMechanical Shock ...7-34Operational ...

Strany 241 - D-6 80-99208-1 Rev. D

Developing Modem Applications 80-99208-1 Rev. D 5-13123StepsTO RE-ENTER ONLINE MODE FROM ONLINE-COMMAND MODE Use the ATO command (see Return to Onlin

Strany 242 - E SPECIFICATION SUMMARY

Integrator’s Reference Manual5-14 80-99208-1 Rev. DNomenclature for Table 5-4Table 5-4 defines the port(s) affected by AT commands that may modify par

Strany 243 - E-2 80-99208-1 Rev. D

Developing Modem Applications 80-99208-1 Rev. D 5-15Port Activation (DTR) Changes during OperationWhen DTR changes on the Data or Control ports, the f

Strany 244

Integrator’s Reference Manual5-16 80-99208-1 Rev. DNoteFor DTR signal timing requirements, see Changing Data and Control Port Configuration on page 7-

Strany 245 - [3] at Tsky = 200 K

Developing Modem Applications 80-99208-1 Rev. D 5-17• Reverse Link (Modem Transmit): 1610.73 to 1625.49 MHzShort Messaging Service (SMS)The GSP-1620 m

Strany 246 - 80-99208-1 Rev. D Index-1

Integrator’s Reference Manual5-18 80-99208-1 Rev. DOnce the DTE application receives an SMS alert, it is up to the application to read the SMS message

Strany 247 - Index-2 80-99208-1 Rev. D

Developing Modem Applications 80-99208-1 Rev. D 5-19Here is a brief description of how such a scenario might work:• The modem is idle.• The host appli

Strany 248 - 80-99208-1 Rev. D Index-3

Integrator’s Reference Manual5-20 80-99208-1 Rev. D• Acquisition — Gateway/satellite coverage is acquired (entering service, leaving service, or chang

Strany 249 - Index-4 80-99208-1 Rev. D

Developing Modem Applications 80-99208-1 Rev. D 5-21Position Location DeterminationThe GSP-1620 modem has a “get position” AT command, AT$QCPLS, that

Strany 250 - 80-99208-1 Rev. D Index-5

Integrator’s Reference Manual5-22 80-99208-1 Rev. DData Rate and ThroughputThe GSP-1620 modem offers full duplex transmit and receive at a Data port r

Strany 251 - Index-6 80-99208-1 Rev. D

Integrator’s Reference Manualx 80-99208-1 Rev. DRF Certification/Restrictions ...B-1Certifi

Strany 252 - 80-99208-1 Rev. D Index-7

Developing Modem Applications 80-99208-1 Rev. D 5-23IP Addressing for the GSP-1620 ModemThe OEM or Service Provider must choose either a dynamic or fi

Strany 253 - Index-8 80-99208-1 Rev. D

Integrator’s Reference Manual5-24 80-99208-1 Rev. D(see Dormant Mode Service on page 5-25), the IP address assigned during this session remains active

Strany 254 - 80-99208-1 Rev. D Index-9

Developing Modem Applications 80-99208-1 Rev. D 5-25Dormant Mode ServiceWith dormant mode service, the Globalstar system can keep the IP session “up”

Strany 255 - Index-10 80-99208-1 Rev. D

Integrator’s Reference Manual5-26 80-99208-1 Rev. D3. Use Dial-Up Networking to initiate a packet data call on the Data port.For help with Dial-Up Net

Strany 256 - 80-99208-1 Rev. D Index-11

Developing Modem Applications 80-99208-1 Rev. D 5-27Mobile-Originated Packet Data CallsThe GSP-1620 modem lets the application device (DTE) connected

Strany 257 - Index-12 80-99208-1 Rev. D

Integrator’s Reference Manual5-28 80-99208-1 Rev. DThe following sections describe how the modem itself would deal with incoming (mobile-terminated) c

Strany 258 - 80-99208-1 Rev. D Index-13

Developing Modem Applications 80-99208-1 Rev. D 5-29• Your DTE application decides to answer the call by asserting DP_DTR.Different operating systems

Strany 259 - Index-14 80-99208-1 Rev. D

Integrator’s Reference Manual5-30 80-99208-1 Rev. Dseparate Gateways. The PPP session will be dropped and will have to be reestablished by the modem.•

Strany 260 - 80-99208-1 Rev. D Index-15

Developing Modem Applications 80-99208-1 Rev. D 5-31Figure 5-3. Asynchronous Data Call ComponentsLike most modems, the GSP-1620 modem allows you to cu

Strany 261 - Index-16 80-99208-1 Rev. D

Integrator’s Reference Manual5-32 80-99208-1 Rev. DData Rate and ThroughputFor asynchronous data, the GSP-1620 modem offers full duplex transmit and r

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