April 17
 Table of Contents
 Integrator’s Reference Manual
Service-Programming Modems
 80-99208-1 Rev. D
Table of Contents
 Integrator’s Reference Manual
 80-99208-1 Rev. D Vii
Integrating GSP-1620 Modems Into OEM Products
 Viii
 Troubleshooting Globalstar Background
 Specification Summary
 Figure A-1 Globalstar Coverage Availability
List of Figures
 Integrator’s Reference Manual Xii
 80-99208-1 Rev. D Xiii
List of Tables
 Integrator’s Reference Manual Xiv
 Version Release Date
Revision History
 Integrator’s Reference Manual Xvi
 80-99208-1 Rev. D Xvii
About this Manual
Who Should Use This Manual
 Xviii
How This Manual Is Organized
 Convention Description
Notational Conventions
 Abbreviations and Acronyms
 Full-Duplex
Ground or Signal Common
Internet Service Provider
Miniature Coaxial Connector
 Received Line Signal Detector
Position Location Service
Public Switched Telephone Network
Ring Indicator
 Related Documentation
 Xxiv
Electrical shock or burns
Avoid damage to the modem
This equipment
 If you want to Go to
Getting Started
 GSP-1620 Modem Overview
 Typical GSP-1620 Modem Applications
Typical Modem Scada Applications
Getting Started
 DCE
 Typical Modem Scada Application Using Asynchronous Data
 Conceptual Overview
Conceptual Diagram of GSP-1620 Modem
 What’s in the Modem Integrator’s Kit?
 Kit Component
 What You May Need in Addition to the Kit
 Integrator’s Reference Manual
 Quick Bench SET-UP
 Compare the GSP-1620 modem to -1. This
Connecting Hardware Components
Illustration shows the connectors and components you will
Quick Tour of the Modem
 Simplified Top View of GSP-1620 Modem
Quick Bench Set-Up
 Connecting the Modem Interface Cable
Connecting the Modem Cables
 Quick Bench Set-Up Steps
Connect the DB-25 modem connector on the interface
Do not connect power yet
Cable -2to the interface port on the modem
 Connecting Antenna Cables
 Connecting the Diagnostic Cable
 Position Switch Label Effect
DTR Switch Positions
 Connecting and Mounting the Antenna
 Antenna Base Showing Connectors
 Grounding the System
Mounting the Modem
 Providing Power to the Modem
 Power supply, it is important to isolate the DC power
Locate the DC Power red and SIG GND black
Connectors. Then electrically isolate each connector by
Since you will be using the AC adapter instead of a DC
 Integrator’s Reference Manual Steps
 Setting Up HyperTerminal to Talk to the Modem
 Connect button
Testing the Modem Setup
 It should read 9600 8-N-1. The Control port has a fixed
Baud rate of 9600. Be sure HyperTerminal is configured
Look at the Status bar at the bottom
HyperTerminal window
 Modem
Resetting or Powering Off the Modem
Locate the Reset lead yellow
Ground the Reset lead for at least five seconds to reset
 Electrical shock
Cause ESD damage to the modem and also presents a danger
 To do this Go to
Where to Go Next
 SERVICE-PROGRAMMING Modems
 Modem and to an available COM port on your PC, as
Using the Utpst
Connect the Diagnostic cable to the Diagnostic port on
Utpst Overview
 Guide 80-98225-1 in your kit for detailed information
Service-Programming Modems
 Re-programming Default Parameters
 Globalstar NAM dialog
Service Programming Parameters You Must Set
 Service Providers dialog
 Programming Option For More Information
Bulk Service-Programming Options
Bulk-Programming Modems
Upgrading Modem Software
 Boot block software is rarely required
Boot block software contains a minimal set
Functionality needed to boot the modem get it started
Most software upgrades are application upgrades. Upgrading
 Checking Modem Status
Making Simple Data Calls
 HyperTerminal session connected to it
Whether the modem has registered with the Gateway,
Make sure that the Control port is disconnected, either
Physically or by clicking the Disconnect button in a
 Making Simple Data Calls
Making Simple Packet Data Calls
 Making a Call from the Data Port
 Steps Tip
Entering Online-Command Mode
 Integrator’s Reference Manual
 Developing Modem Applications
 Scada Application Components
Recommended Development Tools
 DCE DTE Application Components
Developing Modem Applications
 Packet Data Asynchronous Data
Packet/Asynchronous Data Overview
Packet vs. Asynchronous Data
 Modem Application Scenarios
 Integrator’s Reference Manual
 Using Data and Control Ports
Working with Modem Features
 Data Port Control Port
Data and Control Port Configurations
Port Signal Lines
 Port Arbitration Behavior
 Control Data Port Port Behavior Port Active
Integrator’s Reference Manual Port Arbitration Behavior
 Port Arbitration Behavior
Developing Modem Applications
 AT Command Processing Modes
 Developing Modem Applications Steps
Ports Affected by AT Commands
 Integrator’s Reference Manual Nomenclature for Table
Ports Affected by AT Commands
Port Command Applies To
 Port Activation DTR Changes during Operation
Developing Modem Applications Ports Affected by AT Commands
 Port Use During Power On and Power Off
Globalstar Satellite Service
 Reverse Link Modem Transmit 1610.73 to 1625.49 MHz
Short Messaging Service SMS
SMS Alerts
 SMS Message Field Information
SMS AT Commands
Using SMS for Mobile-Terminated Calls
 Globalstar Service Alerts
 Service Status Message
 Position Location Determination
Using Packet Data
 Interoperability with Different Operating Systems
Data Rate and Throughput
Networking Software and PPP Sessions
 Dynamic IP Addressing
IP Addressing for the GSP-1620 Modem
 Finding IP Addresses
Virtual Private Network Service
Fixed IP Addressing
 Dormant Mode Service
 Value +CTA on
 Mobile-Terminated Packet Data Calls
Mobile-Originated Packet Data Calls
 Answering Calls Using the Data Port Only
 Answering Calls Using the Data and Control Ports
Roaming and Packet Data Service
 Using Asynchronous Data
 Customize asynchronous data connections, data compression
So on. For details, see , AT Command Reference
Like most modems, the GSP-1620 modem allows you to
 Mobile-Originated Asynchronous Data Calls
 Mobile-Terminated Asynchronous Data Calls
 Accessing Packet Data Over an Asynchronous Connection
 Roaming and Asynchronous Data Service
 Sample Typical Modem Initialization Strings
Typical Modem Initialization Strings
 Change from Online to
 Integrator’s Reference Manual
 AT Command Reference
 Operational AT Commands
AT Command Quick Reference Tables
 AT Command Reference Operational AT Commands
 +IPR
Integrator’s Reference Manual Operational AT Commands
 $QCSMSP
 Non-Operational AT Commands
 AT Command Reference
AT Commands Overview
Command Alphabet
Command Line Format
 Command Syntax
Basic AT Commands
 Get Info
Command Echo E
OK or Error see -3 on page 6-9 for details
Results Returned
 Integrator’s Reference Manual Valid Values
Power-On/Reset Default Values
Monitor Speaker Loudness L
None
 Syntax Description
Monitor Speaker Mode M
Select Pulse Dialing P
Values
 Result Code Suppression Q
 DCE Response Format
Select Tone Dialing T
 Integrator’s Reference Manual Values
Result Code Selection Command
 AT Command Reference Values
Reset to Default Configuration Z
 DTE Data Terminal Ready Behavior &D
DCE Received Line Signal Detector Behavior &C
 AT Command Reference Valid Values
Set to Factory-Defined Configuration &F
 Integrator’s Reference Manual Results Returned
Basic Action Commands
Answer Incoming Call a
 Result Code Description
Repeat Last Command a
 Valid Dial Strings
Dial D
Originates a call if the dial string is valid
Valid dial string modifiers are
 Result Codes Description
Dial String Values
 Asynchronous data calls returns no
Hook Control H
 See -3 on page 6-9 for details
Return to Online Data Mode O
Returns the modem to Online mode from Online-Command mode
 Result Condition
Common Result Codes for S-Register Commands
Basic S-Registers
 See -4 on page 6-24 for result code details
Command Line Termination Character S3
Automatic Answer S0
 Response Formatting Character S4
 Pause Before Blind Dialing Time S6
Command Line Editing Character S5
Missing Parameter Default Values 80-99208-1 Rev. D
 Integrator’s Reference Manual Power-On/Reset Default Values
Connection Completion Timeout S7
 Comma Dial Modifier Time S8
Carrier Detect Threshold Timeout S9
 Carrier Loss to Disconnect Timeout S10
 Dtmf Tone Duration and Spacing S11
Silent Retry Timeout S777
Globalstar-Specific S-Register Extensions
 Set Forward MUX Option +CMUX
Extended Configuration AT Commands
Missing Parameter Default Values
 Set Rm Interface Protocol +CRM
 This parameter is read only
Get Modem User Terminal ESN +GSN
 Set Character Framing +ICF
 For format 3 parity value is ignored
No parity is actual configuration
Set Local Flow Control +IFC
 DCEbyDTE
 Set Rm Interface Command Baud Rate +IPR
 AT Command Reference Valid Values rate
 Change from Online to Online-Command Mode +++
Online-Command Mode Commands
 Set Remote Config String +CFG
Asynchronous Data through Gateway IWF Commands
 Data Compression Control Command +DS
 Maxdict 512-65535maxstring
 Parameters are recognized and have
 Error Control Selection Command +ES
 Integrator’s Reference Manual
 AT Command Reference Missing Parameter Default Values
Modulation Selection Command +MS
 Dormant Mode Commands
 Set Dormant Mode Timeout Value +CTA
 Packet No Dial $QCPKND
 SMS Move/Delete $QCSMSM
SMS Commands
 SMS Print $QCSMSP
Default Values
Power-On Default
 Format Field Definitions
Default Value Power-On Default
See Table
 SMS Lock $QCSMSL on page 6-56 for
Field Name Description
 This field represents the SMS message
 SMS Lock $QCSMSL
Default Value
 SMS Alert $QCSMSA
Default Value Power-On Default Results Returned
 SMS Info $QCSMSI
SMS Info Command Field Definitions, on
 Returns the modem’s error log and build information
Error Log Services Commands
Retrieve Error Log $QCERR
 Clears the error log
Clear Error Log $QCCLR
 Service Alert $QCSA
Service Status Commands
 Roamingyesno
Service Status $QCSTATUS
 AT Command Reference Modem Status Information
 Integrator’s Reference Manual Modem Status Information
Special Calls and Services Commands
Time of Day $QCTOD
 AT Command Reference Description
 Position Location Service $QCPLS
 Time of Day $QCTOD on
 Markov Statistics $QCMSTATS
 Described on
Set Mode $QCMODE
This command sets the modem’s call mode. It does not affect
Rm interface baud rate set by the +IPR command, as
 TCP Stack Changes $QCTCP
Protocol Stack Modification Commands
 Valid Values tcpmod
Command parser for the missing optional parameters
 1500Upper bound for the transmit MSS
 Use Van Jacobsen Header Compression $QCVJ
 If an illegal value is detected
 Integrating GSP-1620 Modems Into OEM Products
 Integrating Modems into Products
 Integrating GSP-1620 Modems into OEM Products
Modem Mechanical Description
Modem Board Layout
 GSP-1620 Modem Board Layout Top View
 GSP-1620 Modem Board Layout Side/ Bottom Views
 Data and Control Ports
Modem Antenna Connectors
Modem Dimensions and Weight
 DTR/DSR Signal and Power On/Off
 Control Port Signals
Changing Data and Control Port Configuration
 DB-25 Data and Control Port Pinouts
Data Port Signals
 Integrator’s Reference Manual Interface Connector Pinouts
 Cpdsr
 Diagnostic cable includes a switch box that controls
Diagnostic Port
 Diagnostic Port Pinouts
 Pin Signal Name Direction Description Number User Modem
Integrator’s Reference Manual Diagnostic Port Pinouts
 DC Power
 EMI Filtering
Power Consumption
Surge Protection
 Mode Minimum Typical Maximum
Power-On
DC power consumption of the ODU antenna’s receive section
Modem DC Power Consumption Estimates at 12 V DC
 Grounding
Power-Off
Hard Power Reset
 Modem Mounting Guidelines
 Qualcomm Mark on OEM Enclosures
 Qualcomm Mark for OEM Enclosures
Integrated Product Regulatory Labeling
 Modem
Modem Antenna Specifications
Mounting Antennas On-Site
 Antenna Depiction
Antenna Dimensions and Weight
 DRA Top and Side Views
 DRA Bottom View and Mounting Hole Locations
Antenna Cable Specifications
 Times Microwave
Suggested RF Cable and Connector Suppliers Volex Inc
 Finding a Good Antenna Location
Calculating Antenna Cable Length
Mounting Antennas at the Field Site
 Mounting and Sealing Antennas on Flat Surfaces
Securing Antenna Cables
 Mounting Multiple Antennas
Mounting and Sealing Antennas on Poles
 Operational
Environmental Specifications
Temperature/Humidity
GSP-1620 Modem Environments
 Thermal Radiation
GSP-1620 Modem Temperature/Humidity Envelope
 Vibration
Altitude
 Swept Sine Vibration Definition
10 100 1000 10000 Frequency Hz
 Applied Forces
Digital Data Connector Durability
Mechanical Shock
Acoustic Noise
 Shipping
RF Connector Durability
Dielectric Resonator Antenna DRA Environments
Materials
 10. DRA Temperature/Humidity Envelope
 Icing/Freezing Rain/Snow
 11. DRA Random Vibration Spectrum
 RF Connector Durability
 Integrator’s Reference Manual
 Problem Possible Solutions
Troubleshooting
Troubleshooting Modem Problems
 Integrator’s Reference Manual Troubleshooting Modem Problems
 Dacom
Globalstar Background
 Coverage
Space Segment
Ground Segment
 Globalstar Background
 Carriers
 Distributors and OEMs for User Terminals
 Integrator’s Reference Manual
 Certification
RF CERTIFICATION/RESTRICTIONS
 European R&TTE Directive 1999/5/EC
Federal Communications Commission FCC
 GPS Interference Elimination
RF Restrictions
Radio Frequency Exposure Restrictions
Radio Astronomy Zones
 Pacemakers
Electronic Device Restrictions
 Other Medical Devices
Hearing Aids
 Integrator’s Reference Manual
 Warranty
 Integrator’s Reference Manual
 Technical Support Information
Qualcomm Globalstar Customer Service
Product Support
 Order Fulfillment Information
 Product Support
Contacting Qualcomm Customer Service
Website Information
 Status.rma@qualcomm.com
Contact information
Gstechsupport@qualcomm.com
Status.techsupport@qualcomm.com
 Gs.modules.info@qualcomm.com
Following email address is available to all customers
 Integrator’s Reference Manual
 Table E-1. Specification Summary GSP-1620 Modem
Specification Summary
 FCC
 Lhcp
Parameter TX Specification RX Specification
 SMA F
 80-99208-1 Rev. D Index-1
Index
Mounting 2-10
 Index-2
AT$QCSTATUS 4-2, 4-5, 5-20, 5-26
AT&C0 5-25 AT&D 5-15, 5-29
AT&D2 5-10
 Auto-answer5-6, 5-28, 5-29, 6-25 Autodeletion 6-54, 6-56
ATH 4-5, 5-10, 5-11, 5-12, 5-25 32, 5-36
25, 5-26
10, 5-13
 5-4
Number 4-3 State 4-3 Type 4-3
108 108/2 5-12, 6-16 109 6-16
Connect 6-15, 6-19, 6-21
 80-99208-1 Rev. D Index-5
J3 2-6, 7-3 J7 2-6, 7-3
20, 7-32
 DTR 5-8, 5-10, 5-28, 7-8, 7-14 asserted 2-7, 5-9, 5-16
Dormant mode 5-5, 5-25, 5-29, 6-22, 6-23, 6-48
Cable 2-7
DSR 5-8, 7-8, 7-9 asserted 5-16, 7-7 DTE 1-5, 5-7
 Full duplex 1-5, 5-16, 5-22
Antenna 7-35, E-2 modem 7-30, E-2
FCC 7-16, 7-18, 7-21, B-2
37, 7-13
 Index-8
Signal 7-10, 7-11
Loops 2-11
Server 5-4, 5-6, 5-23, 5-24, 5-30, 5-33
 5-3
Ice 7-29
5-24
12, 5-27
 Index-10
Host 5-4 IWF 5-30, 6-14, 6-18, 6-27, 6-28, 6-29, 6-30
2-2
 Ospl 7-20, 7-34, E-2
ODU 1-7
OEMs 1-1, A-5
Rings2-11
 E-1 Pstn 1-2, 5-3, 5-4, 6-42
Active 5-9
7-12
16, E-1
 Ring 5-28, 5-29, 5-33, 6-21
Rx connector 2-6, 2-9, 7-22 RxD 5-8, 7-8, 7-9
Lead 2-18
RFR 5-8
 Index-14
Alerts 5-17
 80-99208-1 Rev. D Index-15
4-5
 Index-16
Tx connector 2-6, 2-9, 7-22 TxD 5-8, 7-8, 7-9
VPN 5-5
Antenna 7-23, E-1, E-4 modem 7-6, E-1