Related Manuals for GDI SS900FH series
Summary of Contents for GDI SS900FH series
- Page 1 SS900FH User Guide Preliminary GDI COMMUNICATIONS, L.L.C. SPARKS, NEVADA PRELIMINARY...
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- Page 3 , L.L.C. Communications ♦ TRAFFIC ELECTRONICS MANUAFACTURER SPECIALIZING IN COMMUNICATIONS 879 Deming Way SPARKS, NEVADA 89431 TELEPHONE: (775) 345-8000 FAX: (775) 345-8010 PRELIMINARY...
- Page 4 PRELIMINARY...
- Page 5 PROPRIETARY DATA This document contains confidential, proprietary data with all rights and titles reserved by GDI Communications LLC. By accepting this document, the recipient assumes custody hereof and agrees not to disclose this data or any portion of this data to any unauthorized person without the prior written consent of GDI Communications LLC.
- Page 6 GDI Communications Inc. LLC PRELIMINARY...
- Page 7 GDI Communications Inc. LLC SS900FH User Guide REVISION A 9-14-2007 GDI COMMUNICATIONS, L.L.C. 879 Deming Way SPARKS, NEVADA 89431 775-345-8000 PRELIMINARY...
- Page 8 GDI Communications Inc. LLC PRELIMINARY...
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Page 9: Table Of Contents
Appendix C - Hardwire Reset Factory Defaults ....................22 Appendix D - Hyperterminal Program......................23 Appendix E - How to install the GDI SS900FH Configuration Program.............25 GDI SS900FH Config Overview .........................25 “PC Settings” Tab............................25 “Terminal” Tab..............................26 “Range Test” Tab ............................26 “Modem Configuration” Tab..........................27... - Page 10 GDI Communications Inc. LLC...
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Page 11: Introduction
GDI Communications Inc. LLC Introduction The GDI SS900FH series of wireless modems employ a frequency hopping spread spectrum system (FHSS) integrated with selectable RS232, 485, 422 devices. The most common type is RS 232, and it is the one referred to in this manual. -
Page 12: Unpacking The Ss900Fh
The SS900FH comes from the factory configured for 9600 baud, 8 data bits, no parity and 1 stop bit. Other configurations can be programmed using either a terminal emulation program or the “GDI SS900FH.exe” program. Host/Controller connection is made through the DB9 connector located on the rear panel. -
Page 13: How To Hook It Up
GDI Communications Inc. LLC How to Hook it up: Connect a communications cable between the “Main” port on the SS900FH and the host/controller. Host/Controller* SS900FH Signal DB9-DB25-C20 Direction 1-8-H <-------------- 2-3-L <-------------< 3-2-K --------------> SGND 5-7-N --------------- 7-4-J --------------> 8-5-M <--------------... - Page 14 GDI Communications Inc. LLC Power up the Host/Controller. Power up the SS900FH. Figure 4 Connecting a DTE device to the SS900FH (DCE) radio.
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Page 15: How To Configure The Ss900Fh
GDI Communications Inc. LLC How to configure the SS900FH The SS900FH operates in two modes: Normal Mode - In normal mode the SS900FH transfers data between the Main/Aux ports and the RF port. Command Mode - In the “Command” mode, the SS900FH accepts configuration commands from an attached terminal or terminal emulation program. -
Page 16: Configuration Tag
GDI Communications Inc. LLC Configuration Tag It is recommended that when a new SS900FH is unpackaged, the following information is recorded for future reference. GDI SS900FH Identification / Settings. Serial Number on the back of the SS900FH ___________ Firmware Version (ATVL) -
Page 17: Changing The Communications Settings
GDI Communications Inc. LLC Changing the Communications Settings Table 1 lists the default communication settings. If you inadvertently change a setting and either lock up the device or loose communication with it you can reset the SS900FH system to the last saved configuration by pressing the recessed reset button on the bottom of the unit for 2 seconds or, if necessary return the SS900FH to Factory defaults by following the instructions in Appendix C. -
Page 18: Adjusting Performance
GDI Communications Inc. LLC Adjusting Performance: After all setups have been configured, use ATWR to save the configuration to NVRAM, & use ATCN to Exit Command Mode Transmit Packet Thresholds: Use these commands to adjust the data packets size to match the application. The default values should work with most applications. -
Page 19: Applications
GDI recommends that a site survey be performed before any installation of wireless modems. The survey includes but is not limited to, Line-Of-Sight determination, Fresnel Zone calculations, and a spectrum analysis of the area. - Page 20 GDI Communications Inc. LLC Source Address (MY), Destination Address (DT), and Mask work according to the following diagram. TX_DT = Destination Address of transmitting modem RX_DT = Destination Address of receiving modem RX_MK = Address Mask of receiving modem RX_MY = Source Address of receiving modem...
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Page 21: Point To Point
GDI Communications Inc. LLC Point to Point One Master/Local controller communicating with a Slave/Remote controller. Master/Local Slave/Remote This configuration information is intended to be used as a starting point. Further adjustments may be necessary to achieve error free operation. First set the packet secure delivery parameters to the following:... -
Page 22: Point To Multi-Point
GDI Communications Inc. LLC Point to Multi-Point This is the typical traffic communications application. One Master/Local Host/Controller, broadcasting to many Slave/Remote controllers. This network is configured to allow communications between the Master the Slaves while preventing communications between the slaves. -
Page 23: Setting Up A Repeater
GDI Communications Inc. LLC Setting up a Repeater After all setups have been configured, use ATWR to save the configuration to NVRAM, & use ATCN to Exit Command Mode In a repeater topology there is typically one “Base Node”, one or more “Repeaters” and several “End Nodes.” A repeater is required whenever two SS900FHs are not within Line-Of-Sight of each other or when the distance/interference is to great. -
Page 24: Basic Broadcast Repeater Network
GDI Communications Inc. LLC Basic Broadcast Repeater Network The following configuration is for a basic broadcast repeater network. To reduce the amount of RF traffic set the secure delivery parameters to the following: Retries: ATRR = 0 (Turns off Secure delivery sub-system. Retries are handled by the... -
Page 25: Basic Addressed Repeater Network
GDI Communications Inc. LLC Basic Addressed Repeater Network The above configuration will allow the End Nodes to accept packets from each other which leads to poor network performance. To eliminate this issue, configure the addresses as follows: Refer to Figure 6... -
Page 26: Indicators
GDI Communications Inc. LLC Indicators When two SS900FH units are communicating with each other the RF Signal Strength Indicator bar will indicate relative receive strength of the received RF signal. The bottom of the bar is about –90DB and the top is about –... -
Page 27: Agency Certifications
Adherence to the following is required: IMPORTANT: The SS900FH Modules have been certified by the FCC for use with other products without any further certification (as per FCC section 2.1091). Changes or modifications not expressly approved by GDI ’ Communications LLC could void the user s authority to operate the equipment. -
Page 28: Appendix A - Command List
GDI Communications Inc. LLC Appendix A - Command List This section covers the commands used in this user guide. For a complete listing and description see the SS900FH AT Command Reference. Hex (Dec) Description Range Category # Bytes Returned Networking &... - Page 29 GDI Communications Inc. LLC Hex (Dec) Description Range Category # Bytes Returned Networking & 0x18 (24d) Retries 0 – 0xFF Security Serial 0x37 (55d) Stop Bits 0 - 1 Interfacing 0x25 (37d) Diagnostics Serial Number High 0 – 0xFFFF [read-only]...
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Page 30: Appendix B - Specifications
GDI Communications Inc. LLC Appendix B - Specifications Table 1 RF Specifications Performance Transmit Power Output 1 mW - 1 W ’ Indoor/Urban Range Up to 3000 (900 m) Outdoor Up to 14 miles (22 km) w/ dipole antenna RF line-of-sight Range... - Page 31 GDI Communications Inc. LLC 18VDC power supply connector: DC input range is 9vdc-18vdc 1A 50 ohm antenna connector: Reverse female SMA connector. Main communications port: DB9 connector. This is the communications channel used to link the SS900FH to the controller/host..
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Page 32: Appendix C - Hardwire Reset Factory Defaults
CAUTION! This will cause all parameters to be reset While “GDI SS900FH.exe” or “HYPERTERM” can be used, HYPERTERM will be referenced in this procedure. If you use “GDI SS900FH.exe”, got to the ‘TERMINAL” tab. “RSSI’ is a dual purpose signal. At boot time, it can be used to reset the modem. After 20 seconds, it switches function to monitor the receive power. -
Page 33: Appendix D - Hyperterminal Program
GDI Communications Inc. LLC Appendix D - Hyperterminal Program To create a Hyperterminal (win98) Select Start->All Programs->Accessories->Communications- >HyperTerminal When the “Connection Description window pops up enter “SS900FH” in the “Name” box. When the “Connect To” Window pops up, enter the COM port number in the “Connect using”... - Page 34 GDI Communications Inc. LLC When finished this hyperterminal can be saved for future use. Use one of the these methods. #1. Default Disconnect the hyperterminal from the SS900FH. Click on the Disconnect Icon. Exit hyperterminal by one of the following...
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Page 35: Appendix E - How To Install The Gdi Ss900Fh Configuration Program
10MB of disk space. Administrative privileges RS-232 Communications port. To install GDI SS900FH Config, the current user must have administrative permissions. Load and run GDISetup.exe onto your hard drive. After installation is complete run the program “GDH SS900FH Config.exe.” Assign a free RS-232 COM port to communicate with the SS900FH GDI SS900FH Config Overview “PC Settings”... -
Page 36: Terminal" Tab
GDI Communications Inc. LLC “Terminal” Tab The Terminal tab has the same functionality as a terminal emulation program. It can be used to issue AT commands to the SS900FH. First issue the “Command Character” three times. After the SS900FH returns the “OK” code, AT commands can be entered. -
Page 37: Modem Configuration" Tab
GDI Communications Inc. LLC “Modem Configuration” Tab Alternately to using the AT commands to setup the modem, this panel can be used. This panel is also used to install updates to the SS900FH operating firmware. The “Modem” type and firmware “Version” must first be selected. - Page 38 GDI Communications Inc. LLC To query the SS900FH for it’s current settings, click on the “Read” button: Click on the “Write” Button to store any modified parameters. The “Save” and “Load” button are used to save and recall user defined configurations.
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Page 39: Displaying The Received Signal Strength
GDI Communications Inc. LLC Displaying the received signal strength The SS900FH employs two AT commands to display the received signal strength. ATDB and ATRM. ATDB returns the peak power level of the last packet received. ATRM returns the power level from each channel during the time period specified by the command The ATDM command can be entered from the terminal or displayed in the “Range Test”... - Page 40 GDI Communications Inc. LLC Spectrum Display of the received data using the ATRM command.