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UHFSSRx

OEM Receiver

User Manual

Version 1.0

Last Revised March 24, 2021

Summary of Contents for UHFSSRx

Page 1: ...eserved The information contained herein may not be used accessed copied stored displayed sold modified published or distributed or otherwise reproduced without express written consent from JAVAD GNSS UHFSSRx OEM Receiver User Manual Version 1 0 Last Revised March 24 2021 ...

Page 2: ... JAVAD GNSS Inc 2021 www javad com ...

Page 3: ...res 10 External Connectors 10 UHF Radio Specifications 10 Radio Receiver Specifications 10 Spread Spectrum Radio Specifications 11 Connection to the Evaluation Kit 11 Power connection 11 Serial RS 232 connection 11 CONNECTION 11 How to install UHFSSRx 12 Command Line Interface Convention 13 Command line interface 13 Software Switching to Command Mode 14 Switching to Data Mode 14 UHF Modem Commands...

Page 4: ...RV 19 LBT 19 WHT 19 SRC 19 DST 19 KNW 20 Special Commands 20 BOOT 20 HELP 20 SAVE 20 CFG2DFLT 20 XMOD IMAGE 20 Identification and Diagnostics Commands 20 INFO 20 STATE 20 IC 21 FCC ID 21 GTX 21 RSS 21 RSSI 21 RSSM 21 RSSC 21 RNSS 21 NSCN 21 SCAN 21 SCNS 21 Modem protection from interference 22 NLST 22 NADD 22 NAPL 22 NDEL 22 ...

Page 5: ... PRODUCT THIS MANUAL AND THE UHFSSRx RECEIVER ARE PROVIDED AS IS THERE ARE NO OTHER WARRANTIES JAVAD GNSS DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR USE OR PURPOSE JAVAD GNSS AND ITS DISTRIBUTORS SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN NOR FOR INCIDENTAL OR CONSE QUENTIAL DAMAGES RESULTING FROM THE FURNISHING PERFORMA...

Page 6: ...dential Information are the confidential and proprietary information of JAVAD GNSS You agree to treat JAVAD GNSS Confidential Information with a degree of care no less stringent that the degree of care you would use in safeguarding your own most valuable trade secrets Nothing in this paragraph shall restrict you from disclosing Confidential Information to your employees as may be necessary or appr...

Page 7: ...requencies The following are its key benefits Operating in UHF frequency band will provide a non line of sight connection Single radio system covers the whole UHF frequency band from 406 to 470 MHz User selectable channel spacing 25 kHz 20 kHz 12 5 kHz or 6 25 kHz MODULATION TECHNIQUE The design is based on high level modulation techniques which include Modulation Channel Spacing 6 25 kHz 12 5 kHz...

Page 8: ...rmance through the intuitive GUI 3 Software upgrades and improvements can be downloaded from AWLaunch to the units connected with PC PDA SECURITY The system provides wireless media access protection as well as data encryption The following are its key features and benefits 1 The Key Sequence generated by Pseudo random generator scrambles the fully formatted frame including Frame s CRC This provide...

Page 9: ...d with GMSK modulation is based on Convolutional code and the Viterbi decoding algorithm Powerful FEC scheme used with ArWest proprietary frame format improves the tolerance to interference and ensures the highest link quality at distances range higher than 8 miles 13 km and roaming speeds of up to 60 mph 96 km h MANAGEMENT TOOLS The built in management tools along with ModemVU configuration and m...

Page 10: ...logies 406 470 MHz 902 928 MHz USA 915 928 MHz Australia 868 870 MHz EU with 25 20 12 5 kHz CS Up to 115200 bps Serial Interface Data Rate Embedded Firmware Compensation for Operation at Extremely Low and High Temperatures Compact Design EXTERNAL CONNECTORS RF Connector J2 is Antenna Input Output Connector MMCX RIGHT ANGLE PCB JACK AMPHENOL P N 908 24100 Main Connector 285209LF CONN 16LEAD HEADER ...

Page 11: ...its 16 Lead Header Connector ECS Corp as it shown on the figure below UHFSSRx board connected to Evaluation Kit The UHFSSRx may be connected to external antenna using TNC to MMCX RA Antenna cable included in the Kit Power connection The UHFSSRx powered through Evaluation Kit and Power Cable included in Kit The Banana plugs of power cable may be connected to any available laboratory power supply ba...

Page 12: ...XD I Receive Data 3 TXD O Transmit Data 4 DTR O Data Terminal Ready 5 GND Signal Ground 6 DSR I Data Set Ready 7 RTS O Request To Send 8 CTS I Clear To Send 9 Not used Please refer to particular external device Serial port specification to select and use right Serial cable for prop er connection HOW TO INSTALL UHFSSRX ...

Page 13: ...vide filing operations which include Downloading Unit s Configuration files Software Images Uploading Unit s Configuration files Saving into the configuration files the configuration parameters modified through the CLI Command Line Interface Convention The following convention is implemented in HPT435BT Command Line Interface CLI The Carriage Return Line Feed CR LF 0x0D 0x0A is a command delimiter...

Page 14: ...m DTE Data Terminal Equipment for more than 20 ms Start Guard Time If the unit detects the Escape Sequence The transmitter continues sending over the air the data received from DTE before Escape Sequence and buffers the data from DTE The Receiver immediately stops forwarding to DTE the data received over the air and buffers it instead The radio unit waits for 20 ms and then sends Escape Acknowledg...

Page 15: ...ls SCRAM 0 No Scrambling a default setting 1 255 Seed for Pseudo Random Sequence Generator FEC 0 Disable Forward Error Correction FEC a default setting 1 Enable Reed Solomon encoding Parameter Name Parameter List CLKCORR 1 Enable 4FSK clock correction 0 Disable 4FSK clock correction SNST 0 active AGC signal finding algorithm 1 HIGH sensitivity level 70 117 dBm 2 MIDDLE sensitivity level 40 90 dBm ...

Page 16: ...RT Set Data Port Configuration MPORT Set Maintenance Port Configuration ALARM Alarm Indication and Alarm Control Con figuration SLEEP Set Sleep Mode Configuration STATE Display Status and Statistics SAVE Save Current Configuration into Config uration File INFO Display Product ID along with Hardware Software Versions ATI Display Product ID along with Hardware Software Versions MAP Operates with Cha...

Page 17: ... to 116 dBm Indicates the Receive Signal Strength in dBm BER 1 0E 6 to 9 9E 3 Indicates the BER level FREQ 406 000000 to 470 000000 MHz Displays the central frequency of the operating channel CHAN 1 to 9601 Displays the selected or currently scanned frequency channel TEMP 30 C to 100 C Displays the temperature inside of enclosure SYNC 1 Indicates the established link 0 if link is not established y...

Page 18: ...mitter 915000000 MAP FDDDDDDDDD The MAP Fddddddddd command sets the initial fre quency of the receiver For example ddddddddd 912000000 sets the initial frequency 912000000 Hz MAP FTX DDDDDDDDD The MAP FTX ddddddddd command sets the initial frequency of the receiver For example ddddddddd 924000000 sets the initial frequency 924000000 Hz RGN The RGN command is also responsible for configuring radio ...

Page 19: ...he LBT Listen Before Talk command allows to verify the channel occupancy before subpackage transmitting If the channel was occupied at the pre vious slot the current slot is not used for data trans mission LBT Parameters List Parameter List Short description 0 0 Listen Before Talk mode is turned off 1 1 Listen Before Talk mode is enabled a default setting The LBT command without parameter prints L...

Page 20: ...s current Configura tion After BOOT command all configuration parame ters will be default XMOD IMAGE The XMOD IMAGE command in Maintains Mode ac tivates X modem protocol to download the Modem part of the Firmware Image Use this command with one delimiter XMOD IM AGE CR or Command XMOD IMAGE LF Note Command XMOD IMAGE CR LF will be accepted as command XMOD IMAGE CR and byte of Firmware Image 0x0A I...

Page 21: ...ommand send to port RSSI dBm calculat ed along the last Packet RSSM Modem stores the last RSSI values for each particular frequency on which a subpackage was received An array of the last RSSI for 128 possible frequencies can be read by command rssm n RSSC The command RSSC clears particular RSSI values ob tained by using the command RSSM to default value 140 7 dBm RNSS The command RNSS prints last...

Page 22: ... 0x43 The command nadd 918111222 n add to list frequency 918200000 Hz Its number equal 0x50 The NLST command prints the list 43 915600000 50 918200000 00 NAPL The NAPL command applies the list of unwanted frequencies and forms the frequency hopping se quence without unwanted frequencies The list of unwanted frequencies from configuration file will be applied automatically by Reset or Power On of t...

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