Aegis Micro NRC 2.0.1 User's Manual
Contents
1. S a BAES AudioDigitalconversion gt Ea TEN T da BAES Conversion clock source a BAE S 8 Internal External TTL 16KHz da BAE S system sq thy BAES i3 BAES eu Audio input mode Single Ended 0 Differential DAQ Card Channel Settings Channel D Gain 1 w Channel 1 Gain 1 w Gain 1 v Channel 2 Channel 3 Gain 1 w Gain Skip af Samples MT TI D gt Channel 4 Gain 1 v Channel 5 Gain 1 v Channel 6 Gain 1 v Channel 7 Gain 1 v This dialog presents different NRC properties which can be changed all of which are related to the configuration of the Audio Digital conversion unit 1t the NRC e Conversion clock source This selects whether the NRC internal clock triggers sampling or an external clock source triggers the sampling through the NRC s external EXT Clock connector e Audio input mode This selects whether the audio signal provided by the receivers is a single ended or differential signal e DAQ Card channel Gains This selects the pre A D gain which is applied to the receiver s analog signal before it is digitized Notes If any of these settings are modified the NRC data acquisition process is reboot which will disrupt data capture on all channels Use with care These changes are persistent and will be remembered even after the NRC server is powered off Users Guide Networked R2. From this dialog change the name ofthe antenna attached to the connected channel Type in the new antenna name on this channel and click Enter or click Cancel Antenna Current antenna name No antenna name New antenna name Cancel Reboot Rx Data Capture Not captured The current antenna name is displayed Type in the new antenna name in the text box provided Press Enter or click the Enter button and the dialog will be dismissed The change in antenna name is persistent and will be remembered even after the NRC server is powered off Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 32 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 NRC Properties Dialog Global NRC properties can be viewed and modified from the respective NRC node in the tree Right click on the desired NRC node select Properties and the NRC Properties dialog appears f amp nrc Properties From this dialog various NRC properties can be changed Notes 1 Making changes will disrupt ALL users of the NRC 2 Clock Source and Audio Input mode changes effect ALL NRC users 3 Changing between Single Ended and Differential Audio Input modes ALSO requires internal NRC jumpers NRC Servers Aegis NRG to be changed Q E 192 1684 b BAE S NA Make selections and click Enter or Cancel
3. Data Capture Not captured Load This option loads the receiver configuration from the specified memory location into the receiver s current configuration If nothing is stored at the memory location the behavior of this operation is dependant on the type of receiver Some receivers may ignore the command or load a default configuration or for example Save This option saves the receiver s current configuration to the specified memory location The number of locations varies with each type of receiver It is important to note that the volatility of the memory is also dependant on the type of receiver Some receivers may clear all saved settings if the Reset Rx button is pressed others may maintain the memory until the receiver is powered down Note Different receivers store different attributes and hence there is no uniform list of options which are saved for all receivers with not even the basic frequency detection mode AGC mode BFO and IF Bandwidth parameters saved for all receivers o Receiver Pass thru Command An ACSII based text command can be sent directly to the receiver using the Pass thru command Enter the command string into the corresponding text field and press Enter or click Send Please refer to the receiver operator s manual for the valid command set for each receiver If the Response box is checked then an ASCII response is Users Guide Networked
4. dialog or via the programmers SDK Step 6 Connect to the Network A Cat 5 cable should be used to connect between the ETH port on the back panel of the NRC and the local area network Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 12 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 NRC Configuration Prerequisites In order to successfully configure the NRC for operational use the installer must have access to a a terminal emulation program 1 Before using it on the network the NRC must be properly configured by running a configuration utility on the NRC through a remote terminal session This requires connecting serially to the NRC from another computer The operating system of the computer is not important as long as it has a compatible terminal emulation program For example most Linux distributions contain minicom and the Windows systems contain HyperTerminal both of which are appropriate for this application requirement In addition the computer must contain an available serial port b A computer machine on which the NRC java client can be run 1 In order to configure the NRC to understand the type of attached receivers the supplied NRC Java client needs to be able to run This computer needs to be on the same network as the NRC unit so it can attach to the NRC Step 1 Connect to the NRC Before using it on the network the NRC must be properly configured by running
5. ph 240 568 9006 Channel Architecture A channel defines a virtual connection between a client application and a receiver connected to the NRC There are two types of channel connections which can be established to a receiver a Primary connection and a Piggy back connection 1 A Primary Connection a A Primary connection is established with a receiver when the receiver is free of any other client connections b A Primary connected client has full access and control of the receiver and its resources 2 Piggy back Connection a A Piggy back connection is established with a receiver when the receiver currently has one or more other clients already attached to it b A Piggy back connected client cannot change any of the receivers settings although it can view the current receiver settings and capture and format the receivers audio output The NRC supports one Primary connection per receiver and multiple Piggy back connections with the NRC able to support an aggregate of 64 simultaneous Primary Piggy back connections Audio Data Capture The NRC uses an 8 channel PCI based Analog Digital converter card to digitize each receiver s audio output signal Each receiver s audio signal is digitized into 16 bit samples 14 8 effective bits sample at a sampling rate of 16 KHz Each client attached to the receiver can receive a copy of this sampled audio data through a simply packet based protocol and can specify e the number of sam
6. 1x Audio Input Port DB 15 o 1x Control Port RJ 45 RS 232 e Network Port RJ 45 10 100 Base T Ethernet e Remote Serial Terminal Port DB 9 RS 232 e External A D Card Clock Input BNC TTL A D Conversion e Sample Resolution o 16 bit 14 8 effective bits e Channel Sampling Rate 16 KHz e Pre A D Channel Gain 1 default 2 4 8 e Internal Sampling Clock o Accuracy 10ppm 0 85C o Stability 10ppm 0 85C e External A D Card Clock Input o 16 KHz TTL square wave 50 duty cycle o Optional input to provide external sync e Analog Signal Input o Range 5V to 5V e Types Single Ended Differential Chassis 1RU 19 x 20 x1 75 fits standard 19 racks Jonathan 375QD 20 slide mounts fitted Weight 10lbs Ventilation Positive internal pressure Internal Heating Profile o Fully loaded NRC temperature increase lt 15F above ambient Note Chassis not recommended to be solely mounted in 19 rack by bolts through the chassis front panel rack slides or rack shelving recommended Support Software e Java and C programming APIs e Example Client Program e Remote software upgrade capability Power e Nominal power 25 W e Max power 32 W e Operating Range o 100 240 VAC 47 63Hz Auto Select Documentation e Programmers Manual e Users Manual e Protocol Interfacing Document Users Guide Networked Receiver Controller NRC 2 0 1 Copyright O 2005 Aegis Inc 11 October 2005 PAGE 9
7. 2 0 1 PAGE 13 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 If this is the first time the NRC has been turned on once the NRC has completed its initial system boot up process the NRC system LCD graphics files will be uploaded into the LCD display The NRC s LCD display will indicate which LCD memory location the current image is being uploaded into and once this image upload process is finished the LCD display will be activated and display 8 channel status windows above the status message www aegis inc net 7 Once the NRC has reached this stage the user should then login to the NRC via the remote terminal Note If you login before the NRC system has completed the LCD image file upload and the LCD display isn t displaying the 8 channel status icons the NRC file system will be in a read only state This will mean that none of the NRC configuration changes available through the NRC Configuration Utility will be able to changed 8 Login as root with the Aegis shipped root password set to aegisnrc The option on how to change the password will be discussed shortly Once logged in the following NRC Configuration Utility will appear Networked Receiver Controller Configuration Utility c 2005 Aegis Inc Change administrator password Configure network settings Set time and date Set NRC name Configure NTP daemon Oo amp PN P R Restart NRC Selection Step 2 Change
8. Administrator Password It is important to change the root password immediately to secure the machine Select option and the follow the screen prompts to enter a new password Below is a screen sequence example when the password is changed Change administrator password Do you really want to do this y N y Changing password for root Enter the new password minimum of 5 maximum of 8 characters Please use a combination of upper and lower case letters and numbers Enter new password Nrc 001 Re enter new password Nrc 001 password changed Important don t forget or lose the root password Doing so will make it impossible to administer these settings or to make any upgrades or changes to the NRC In the case that this does occur call Aegis Inc for recovery information See Interpreting the LCD display for details Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 14 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Step 3 Configure Network Settings Before the NRC can be accessed from the network it must be assigned a network address Select option 2 to configure the network options Below is a screen sequence example as the IP address settings are configured Configure network settings Present settings for device eth0 Local IP address 192 168 1 159 etmask 255 255 255 0 Broadcast address 192 168 1 255 etwork address 192 168 1 1 Enter the fol
9. Receiver Controller NRC 2 0 1 PAGE 27 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 expected from the receiver and it will be delivered back to the client If the box is checked but no response is generated by the receiver then the receiver will briefly go offline while the NRC re synchronizes communication If a receiver response is generated when the box is not checked the response is simply discarded The Response box should not be checked unless a response is required by the user Note This interface should only be used by advance users who are familiar with the impact of issuing commands directly to the receivers Receiver Reset The receiver reset button provides a receiver reset capability although it is important to note that the result of a reset can be different for different receivers eg Resetting the WJ 8723 receiver resets the receiver back to a known configuration profile while resetting the TenTec Rx331 refreshes the receiver with its most recent user programmed settings Receiver Reboot The receiver reboot button allows a low level receiver reboot sequence to be sent to the receiver where supported It should be used when the receiver has entered into some unknown state and is a last resort before a power off reset is tried The receiver reboot process also initiates a POST of the receiver and will take about 15secs e Data capture The bottom section of the content pan
10. Use touch to create an empty command file directly in the root code changes directory eg touch UPDATE Part 4 Initiate Command Action The NRC needs to be re booted for the changes to take effect Step 1 Reboot the NRC system by typing reboot in the NRC s ssh terminal session or cycle the NRC power Step 2 During up the reboot process the root code changes directory will be read and if one of the three command files is found the necessary action will be initiated Step 3 Once the changes have taken place the command file will be replaced by the corresponding command acknowledgement file This can be optionally viewed via an ssh session Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 41 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 42 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006
11. a configuration utility on the NRC through a remote terminal session This requires connecting serially to the NRC from another computer The operating system of the computer is not important as long as it has a compatible terminal emulation program For example most Linux distributions contain minicom and the Windows systems contain HyperTerminal both of which are appropriate for this application requirement In addition the computer must contain an available serial port The following steps describe the remote terminal connection process I P Power on the NRC Connect a DB9 null modem cable from the remote terminal port on the NRC to a serial port on the computer 3 Start the terminal emulation application on the computer 4 Specify correct terminal settings on the terminal emulation application Please refer to the application documentation for instructions on how to make these settings e COM Port use the serial port on the computer that connects to the NRC Bits per second 9600 e Data bits 8 e Parity none e Stop bits 1 e Flow control None e Terminal emulation vt100 5 Activate the terminal press Enter a few times You may need to send a terminal break if this doesn t work 6 Once this terminal is active the linux system and NRC boot up messages will be echoed to the remote terminal Once the NRC system has finished booting a user login prompt will appear Users Guide Networked Receiver Controller NRC
12. areas e Connect state Positioned at the top this area gives the current connection state of the channel and the ability to connect to piggyback to or disconnect from the channel if applicable If the channel is connected to another client the network address of that client appears If the client is currently piggybacking the channel the network address of the primary client is shown f amp NRC 2 0 Java Client PACHO NRE SEES Connected Disconnect Channel Q 192 168 1 159 port 30005 te BAE Systems wJ 8723 Receiver 3 BAE Systems WJ 8723 Frequency 00 000000 Change da TEN TEC RX 331 ty BAE Systems WJ 8723 i BAE Systems vw 8723 AGC mode FAST Change Detection mode cw Change ij BAE Systems WJ 8723 BFO 1000 Hz Change 3 BAE Systems WJ 8723 da BAE Systems WJ 8723 IF Bandwidth 6000 Hz Change Samples to skip on tune 350 samples Change Pass through command 1 Response Send Memory Location Query Load Save Reset Rx Reboot Rx Data Capture gt Not captured Capture e Receiver o Receiver Configurable Options The receiver section contains the current state of the configurable receiver parameters for the receiver attached to the channel frequency detection mode AGC mode BFO IF Bandwidth Each of these parameters can be changed by entering the new value in the corresponding field and then
13. bootup a check will be made to see if there are valid NRC system files in update CCPServer RCPServer CCPConfig xml RCPconfig xml DDPConfig xml LCDConfig xml Receivers xml WJ8723 xml and or RX331 xml and or any bmp files in the update lcd directory which need to be integrated into the NRC file system If valid system files are found in update at boot up the current existing NRC system files of the same name are moved into the code_changes old directory and the new system files are moved into the appropriate NRC system directories If valid bmp files LCD image files are found in update lcd the current NRC directory of lcd files are copied from the NRC system into the old lcd directory and the lcd files in update lcd are moved into the NRC system lcd directory Once this process is completed the UPDATE command file in code_changes will be replaced with an UPDATE_COMPLETE command file As the NRC system boots up these new files will now be part of the operational system RESTORE Command The RESTORE command allows the NRC system to be rolled back to the original configuration in the advent that recently installed UPDATE changes need to be replaced If the RESTORE command file is present in code_changes directory during an NRC system bootup a check will be made to see if there are valid NRC system files in old CCPServer RCPServer CCPConfig xml RCPconfig xml DDPConfig xml LCDConfig xml Receivers xml WJ8723 xml
14. collecting and digitizing each receiver s analog audio output signal e formatting and routing the digitized receiver s signal to an attached network client A simple diagram of the NRC system is shown below Networked Receiver Controller NADO The NRC represents the server portion of a network based client server architecture NRC clients connect and disconnect from the NRC via an Ethernet network connection as necessary When connected a client has the ability to control configure and collect digitized audio data from the associated recelver Each receiver is physically connected to the NRC via an RS 232 command control port and an audio input port The receiver s analog audio output is connected to an A D where it is sampled at 16 KHz with 16 bit resolution The resultant digitized audio signal is available for secondary processing and distribution from the NRC as required The default NRC configuration provides a 4 KHz band limited 8 KHz sampled data signal This digital audio signal is available to the NRC client through a simple packet based protocol which aggregates samples into a single data packet for forwarding to the client The NRC server is a 1 rack unit chassis system with the following front and back views ANALOG In this chapter the various features of the NRC will be discussed Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 5 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net
15. enabled when a connected channel node is selected in the tree When clicking this button the status of that receiver is presented The receiver provides the actual text so the user is referred to the receiver operating manual to decode the text is Receiver status amp FREQUENCY 00 000000 DETECTOR CW IFBW 3200 0 AGC SLOW BFO 1500 0 Refresh button when clicking this button the information on the various panels of the main application window is refreshed from the NRC server ensuring the most up to date information is displayed o Status Bar The status bar exists at the bottom of the screen It will contain informative messages as commands are executed Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 30 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Change Receiver Model Dialog The model of the receiver attached to a channel may be changed from the channel node in the tree 1f the client is currently connected to that channel Right click on the channel node select Change receiver model and the Change receiver model dialog appears F NRC 2 0 Java Client Je e og ad NS ao E NRC Servers Disconnect Channel Q E 192 168 1 159 port 30005 bh nece e From this dialog change the receiver model attached to the connected channel NOTE Ensure all necessary receiver audio and control cable changes are also made
16. pressing Enter or clicking the corresponding Change button NOTE You must hit the change button for new pull down options in Detection Mode or AGC Mode to take effect o Samples to skip on tune This indicates the number of audio samples to discard when changing receiver parameters and ensures the output signal reflects that associated with the changed values o Receiver Memory Interface The memory location interface allows the receiver s internal memory locations to be accessed and receiver parameters to be queried loaded or saved Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 26 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Query This button allows you to query the receiver to find out which parameters are stored in memory Some receiver types also support the ability to display what values are currently stored at a specific memory location Below is a query on a WJ receiver 41 00 22 NRC Servers Connected Disconnect Channel E 192 168 1 159 port 300 ER da BAE Systems wu 87 Receiver 5 BAE Systems WJ 87 Frequency 00 000000 Change Memory Location 2 L4 Change Change Saved Fields Memory Skip Include Freq AGC DET IFBW Squelch Threshold RF input BFO Manual Gain Change Data at 2 02 0 20 000000 2 1 055 136 1 1000 000 Change ox Change Send Memory Location 2 y query Load save ResetRx RehootEx
17. the NRC when using the remote terminal Be sure to restart the NRC after using the remote terminal to resume normal operation Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 18 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Step 8 Configure the NRC for Receivers From a computer start the NRC Java Client See the section Using the NRC Java Client Application for details on requirements and running the NRC Java Client Configure the signal termination type and DAQ Channel Gain After connecting to the NRC from the NRC Java Client right click on the NRC node identified by its machine name or IP address Click Properties and the NRC Properties dialog will appear Configure the necessary options Ensure that the following NRC software options match the previously set hardware options e Conversion Clock Source Internal or External e Audio Input Type Differential or Single Ended The pre A D converter receiver gain for each receiver channel is also set through this dialog with the default being a gain of 1 with gains of 2 4 and 8 also being available Note When changes are made to any of these NRC attributes all NRC channels will be stopped reconfigured and restarted disrupting any current processing on any of these channels Assign receiver models to each channel Connect to the first channel that is attached to a receiver Right click on the channel node and s
18. wwww aegis inc net ph 240 568 9006 Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 10 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Installation Contents The following is a list of items delivered with the NRC unit e Networked Receiver Controller unit 1 Power cable 1 Receiver Control Cables 8 o For BAE Systems WJ 8723 units 8x DB25M RJ45 grey cables o For TenTec RX331 units 8x DB25M RJ45 black cables e Receiver Audio Cables 8 o For BAE Systems WJ 8723 8x DB15M DB15M audio cables o For TenTec Rx331 units 8x DB15M DB15M audio cables e Users Guide 1 e Programmers Guide 1 e Documentation and SDK CD 1 Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 11 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Hardware Installation Step 1 Receiver Audio Signal Termination Type The NRC supports both differential and single end audio signals with the factory system default being configured to support Differential Mode If Single End mode is required proceed as follows 1 Ensure the NRC is powered off 2 Remove the top cover of the NRC 3 Locate the two banks of 4x DIP switches D1 and D2 4 Set all switches to the ON position for single ended operation a Conversely set each switch to the OFF position for differential operation 5 Replace the cover and install the screws Note The NRC softwar
19. C LCD display will be activated and display 8 channel status windows above the Aegis status message www aegis inc net Power On Self Test POST A Power On Self Test POST is a receiver connection integrity test is an integral part of the NRC During this test the control and audio connections for each channel are checked for proper connection and operation to and with the NRC The POST configures each NRC attached receiver to generate and output a unique frequency analog test tone which is then digitally processed to ensure it is at the expected frequency If the NRC is able to successfully configure the receiver and process the audio test tone then the receiver is deemed to have passed the POST and be available for use The success or failure of each channel s POST test is reported on the LCD display This POST is run on a per channel basis when 1 A new receiver type is attached to the NRC and configured for the channel 2 Areceiver is powered on or otherwise comes online including when the NRC is initially turned on or re boot 3 Areceiver is reboot via the Java GUI Note If the receiver for some reason goes off line and then returns on line while there is at least one client already connected to that receiver the POST will not run until all attached clients disconnect from that receiver channel This allows the NRC to run the POST in the background only when the receiver is free When a POST is running clients will
20. CLEAN command file in code_changes is simply deleted there is no acknowledgement file generated for this activity Upgrade Procedure To perform a software upgrade the necessary files need to be downloaded into the NRC system itself The following describes how to transfer update files and command files to the NRC Part 1 Set up the NRC system to accept incoming files The NRC file system is set as read only which doesn t allow files to be written to the file system In order to change this an ssh shell session needs to be established with the NRC through which the NRC configuration utility can be run Step 1 Open up a new console session on the unix workstation Step 2 From this console session open up an ssh terminal session into the NRC system ssh root lt NRC ip address gt password lt enter NRC root password gt Step 3 Once the NRC Configuration Utility appears ctrl c out of this application and leave this session open Part 2 Download the new NRC system files Step 1 Open up a new console session on the unix workstation Step 2 From this console session use scp to download the necessary NRC system files into code_changes updates and new display files into code changes updates lcd eg to download a new CCPServer scp CCPServer root lt NRC ip address gt root code_changes updates password lt enter NRC root password gt an acknowledgement of 100 complete will be echoed back to the termin
21. Change Selectthe new receiver model on this channel and click Enter or click Cancel Change r Model Current model TEN TEC RX 331 BAE Systems WU 8723 ITEN TEC RX 331 New model r Data Capture Not captured Capture The current receiver is displayed and a dropdown box contains a list of receiver models supported by the NRC server Select the new model from the list or select None to indicate that no receiver is attached to this channel Press Enter or click the Enter button and the dialog will be dismissed Confirm the change by noting the contents of the tree The change in receiver model is persistent and will be remembered even after the NRC server is powered off Note Ensure the correct receiver audio and control cables are connected to the NRC in line with these new options Power down the NRC while cable changes are made Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 31 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Change Antenna Model Dialog The name of the antenna connected to a receiver may be changed from the channel node in the tree 1f the client is currently connected to that channel Right click on the channel node select Change antenna and the Change antenna dialog appears 3 NRC 2 0 Java Client Disconnect Channel 9 192 168 1 159 port 30005 i thy BAE Systems WJ 8723 ms Vil Se
22. Networked Receiver Controller NRC 2 0 1 Users Guide 11 October 2005 nacos y aegis DUNS 826771508 CAGE 1RKF1 www aegis inc net e I S Telecom Engineering Services amp Products 8610 Washington Blvd Suite 213 Jessup MD 20794 240 568 9006 240 568 9008 fax Proprietary Statement All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form by any means electronic mechanical by photocopying recording or otherwise without prior written permission Disclaimer Information furnished in this manual is believed to accurate and reliable However no responsibility is assumed for its use or for any infringements of patents or other rights of third parties that may result from its use Warning This equipment utilizes voltages which are potentially dangerous and may be fatal if contacted Exercise caution when working with the equipment any time the protective cover is removed Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 2 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Table of Contents General noO a e E nn ne Ma ua Dot 5 Channel Archi 6 Audio Data Captures ER 6 Universal Receiver Translation Abstraction ss fi CADALHUES Summary ES LS A RO 8 Receiver Controllable Settings dis 8 Client Connection Options A a i 8 Remote NRC System Monitoring iii a
23. al window for each file transferred Step 3 Repeat Step 2 as many time as is needed to download all necessary files Note that scp supports wildcarding so multiple files can be downloaded in one command Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 40 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 eg to copy all bmp display files into the appropriate NRC directory scp bmp root lt NRC ip address root code changes updates lcd password enter NRC root password an acknowledgement of 100 complete will be echoed back to the terminal window for each file transferred Part 3 Download the Command files Step 1 In the console session on the unix workstation create an empty command file either UPDATE RESTORE or CLEAN eg touch UPDATE Step 2 Download the command file eg scp UPDATE root NRC ip address root code changes password enter NRC root password an acknowledgement of 100 complete will be echoed back to the terminal window for the transferred command file Step 3 Optional Check file transfer From the open ssh session view that the files have been transferred by navigating to the appropriate directory and listing the contents of that directory eg Navigate to root code changes to view file Part 3 Alternative Create the command file directly on the NRC Step 1 From the ssh shell navigate on the NRC root code changes Step 2
24. and or RX331 xml and or any bmp files in the old lcd directory which need to be re integrated back into the NRC file system If valid system files are found in old the current existing NRC system files of the same name are moved into the code changes update directory and the old system files are moved into the appropriate NRC system directories If valid bmp files are found in old lcd the current NRC directory of lcd files are copied from the NRC system into the update Icd directory and the lcd files in old Icd are moved into the NRC system cd directory Once this process is completed the RESTORE command file in code_changes will be replaced with an RESTORE COMPLETE command file As the NRC system boots up these restored files will now be part of the operational system P For the led bmp files to be reloaded into the display the corresponding LCDConfig xml in old needs be edited to set the all the time fields to 0 Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 39 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 CLEAN Command The CLEAN command removes all command command acknowledgement files and system files from code_changes directory tree If the CLEAN command file is present in code_changes directory during an NRC system bootup all the files in the code_changes directory tree will be deleted and hence cleaned Once this process is completed the
25. ar format Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 15 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 mmddhhmmyyyy 070615292005 Time and Date set to Wed Jul 6 15 29 00 UTC 2005 Please note the time date format month day hour minute year MMDDHHMM Y Y Y Y For the above example if it was 3 29pm 15 29 on July 6 2005 If you enter return without entering a new time string the time and date will not be changed Step 5 Configure the Network Time Daemon Optional You can optionally configure the NRC to use the Network Time Protocol daemon NTPd to keep the NRC system clock synchronized with other machines on the network Typical NTPd configuration requires only the IP address of a time server This can be provided by either another machine on the local network with NTPd already configured or from one of many free public NTP servers Detailed information about NTP and a Public NTP Server list can be found at http www ntp org Select option 5 to configure the basic NTPd option which displays the following menu Networked Receiver Controller NTP Configuration Utility 1 Modify NTPd config file 2 Add ntpd to startup B Go back to NRC main menu Selection To modify or view the current NTPd configuration file select Below is a screen sequence example as the NTPd is configured Current etc ntp conf File generated by Aegis configuration No on xc
26. be inhibited from connecting to the channel until the POST test is completed 1 2sec Interpreting the LCD Display The LCD display contains important information regarding the status and use of the NRC During normal operation the LCD will display a symbol reflecting the current status of each channel with the display s left most symbol being channel 1 s status across to channel 8 s status on the right hand side Only one symbol is displayed to reflect the status of a given channel and hence the symbols have an inherent priority and hence only the highest priority symbol will be displayed See Interpreting the LCD Display for details Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 20 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 The LCD display symbols are listed from highest to lowest priority along with their meaning in the following table Y a fia BA E The NRC is not configured for this channel Configure the correct receiver for this channel The receiver attached to this channel is currently offline Caused when the NRC is unable to communicate with the receiver via the RS 232 connection Check the receiver and its NRC connections whether the receiver is powered on and whether the receiver is operational or needs to be reset or needs the power cycled The receiver attached to this channel failed an integrity test Caused when a receiver i
27. been adjusted cycle the receiver power for switch settings to become active Be sure to use the BAE Systems WJ 8723 correct control and audio cables Connect the control cable from the RS 232 CTL port D25F on the receiver to one of the NRC s COM ports RJ 45F The number of this NRC COM port determines the channel number of that receiver Connect the audio cable from the AUDIO OUT AUX port on the receiver to the corresponding RCVR port on the NRC Be sure to select the RCVR port with the same number as the COM port chosen in the previous step TEN TEC RX 331 The RX 331 must be configured to operate and communicate with the NRC units This is achieved by configuring the RX 331 DIP switches S1 and s21 8 to o set the receiver address to 1 set rocker switches 1 8 of DIP switch S2 to 0 0 0 0 0 0 0 1 respectively o set the serial communications to 19 200 bps 8 data bits no parity and 1 stop bit set rocker switches 1 8 of DIP switch S1 to 0 1 1 1 1 0 0 0 respectively Once the receiver switch settings have been adjusted cycle the receiver power for switch settings to become active Be sure to use the correct control and audio cables for the TEN TEC RX 33 Connect the D25M end of the combined NULL modem control cable to the RS232 J1 port D25F on the receiver and the other end to one of the NRC s COM ports RJ 45F The number of this NRC COM port determines the channel number of that receiver Connect the audio cable from the J8 port o
28. deniers E E EAE 20 kisinge die A EEE EE shea lo oes eb vee EEEE EA 20 Startins the NRCan a as 20 Interpreting the LCD Display i45 ii TA 20 ISGquirerenis A E E A E E E ince ook i sis 22 Running the NRC Java Gent x As e a eae 22 Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 3 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Connect to NRE Server Dados 22 The Main Application Window A ane Mine ae 23 Change Receiver Model DIalog eese dae 31 Change Antenna Model Dialog 4 iii een e eee ne eSI de AERE ae nacida 32 NEC Properties DIalOS usciti Dd nine tuuc ME Is 33 Capture Channel Data DIdloS 25 ccion is 34 Signal Display Dialog T i 35 Appendix A Receiver ConfIguratlOhi sisi persi linternaute Se 37 BAE Systems WS TL A AS A A 37 TEN LEC RA aii 37 Appendix B Software Upgrades satin inca 38 NRC File sta 38 UPDATE Command ess A nd ati 39 RESTORE COMME A Ayes LA 39 CLEAN Command tati 40 Upgr de Procedurer O tind aiden dea sp inar n ones ta dure rrt Steal a 40 Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 4 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 General Information The Networked Receiver Controller NRC is a single node network device capable of simultaneously e controlling and configuring up to 8 attached receivers for data collection e
29. determine the file name Options e Sample rate Use the drop down box to specify either 8 KHz default or 16 KHz sample rate for the data collection e Samples Data packet Specify the number of samples the NRC server should collect before forwarding them to the client The default is 640 e Filter Option If enabled the server will filter the data through a 4KHz Low Pass Filter before sending it to the client e Time Stamp If enabled the server will time stamp each data packet with a TAI64N time stamp representing the time that the last sample in the packet was captured The default is for there to be no time stamp If the NRC s ntp is configured the time stamp will be in synchronized with the network time otherwise this timestamp will be synchronized to the NRC s internal system clock Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 34 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Signal Display Dialog This dialog represents the audio samples graphically in two possible forms The first is signal mode where data is graphed along the time domain f NRC 2 0 Java Client AE NRC Servers Connected Disconnect Channel Q E 192 168 1 158 port 30005 MM da BAE Systems wu 8723 Receiver thy BAE Systems W1 8723 Frequency 00 000000 MHz Change da TEN TEC RX 331 A TEN da BAE Systems WJ 8723 La BAE Systems 48723 AGC mode SLOW Change BAE Syst
30. e s default configuration is to support Differential Mode and hence it must also be configured to match the desired audio signal state The NRC Configuration section will address this requirement Step 2 Rack Mount the NRC unit The NRC chassis supports Jonathan Type 375QD 20 chassis slides and these are recommended for rack mounting the NRC where necessary Note It is not recommended that the NRC Chassis be solely mounted in 19 rack by bolts through the chassis front panel rack slides or rack shelving recommended Step 3 Connect Power The supplied power cable should connect the power adapter on the back panel power socket of the NRC The NRC power supply is an auto sensing unit which can accept voltages between 100 240VAC 047 63Hz Step 4 Connect Receivers Each brand and model of receiver has specific configuration and installation instructions that must be followed prior to operation with the NRC Please refer to Appendix A Step 5 Optional Connect an External Clock If an external clock connection is desired for A D synchronization use a coaxial cable to connect a 16 KHz TTL 50 duty cycle external clock signal to the EXT CLK port on the NRC s back The NRC s default configuration uses the internal clock and hence the system needs to be re configured to use an external signal for A D synchronization This can be achieved after the Hardware Installation through the NRC Java client s Global NRC Properties
31. e per 2 remco Resa ooooooo fow ismofaomofsiow t so BAE Systems WJ 8723 4 a BAE Systems WJ 8723 EE FF J BAE Systems WJ 8723 A BAE Systems WJ 8723 No Configuration for this channel A Channel is available D A client is capturing data from the channel C A client is connected to the channel but not capturing data X The receiver is offline F The receiver failed the POST test e NRC Channel Summary Information e Summary of each channel s current status and receiver configuration e Summary of all clients currently connected to each channel f amp NRC 2 0 Java Client 1921681 La BAES i BAE S de TEN TI La BAES i BAES d BAE S La BAES Ly BAES X The receiver is offline F The receiver failed the POST test Connected clients Sample Rate Samples Packet Filter Time Stamp ients connected ients connected 192 168 1 150 0 00 23 0 00 03 axHz LPF Off N o clients connected c Na clients connected No clients connected No cli i oc ients connected N ients connected Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 25 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Channel Node Most of the functionality of the NRC Java Client is provided in the content panel when a channel node is selected in the tree This panel is separated into three
32. eceiver Controller NRC 2 0 1 PAGE 33 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Capture Channel Data Dialog amp NRC 2 0 Java Client _ Audio data from this channel can be sent to another computer or saved to a file Disconnect Channel Please fill in the parameters for the chosen method Destination View signal display Change Change Forward to remote host EU Change Ca BAE Systems VV da BAE Systems VW Change File vnu d Change porticos j Load Save Sample rate 8KHz w Samples Data packet 640 Filter Option 4KHzLPF ON w Time Stamp None Cancel Capture The capture dialog allows the user to start capturing digital audio samples from the channel and forward the samples to a variety of destinations Clicking the Capture button from the content panel launches this dialog This button is only available if the displayed channel is connected Destination e View signal display This option displays the Signal display dialog and uses the audio samples from this channel to drive the display The signal can be displayed as a time based signal or a spectral signal e Forward to remote host Using this option the audio data samples are forwarded via socket to the remote host and port specified e File If this option is selected the audio samples are saved to file Either type the full path to the file or use the Browse facility to
33. el allows the user to capture audio data samples from the receiver attached to this channel Clicking the Capture button will launch the Capture channel data dialog While capturing the Stop button allows the user to stop data capture 11 October 2005 Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 28 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Toolbar The icon buttons on the top toolbar provide quick access to common functions The below table summaries these Connect to NRC server button when clicking this button the Connect to NRC server dialog is raised allowing the user to connect to an NRC server f amp Connect to NRC server Host Port host name or IP address host port 30005 Disconnect from NRC server button this button is enabled when an NRC server is selected in the tree When clicking this button the user can choose to disconnect from the selected NRC server Disconnect From NRC server i Are you sure you want to disconnect from host 192 168 1 159 port 30005 ws mo Reboot NRC Server button This button is enabled when an NRC server is selected in the tree When clicking this button a dialog will appear asking if you really want to reboot the NRC server Selecting yes in this dialog will cause the NRC server to perform a warm re start All connections to the NRC server will be terminated and new connec
34. elect Change receiver model The Change receiver model dialog will appear Select the desired receiver model from the list Press Enter or click the Enter button and the dialog will be dismissed Confirm the change by noting the contents of the tree Repeat this process for each channel that is attached to a receiver Note It is important to ensure the correct format receiver control cables are used to connect the receiver to the NRC unit Installing the wrong format cables will prohibit the NRC from successfully communicating with the receiver eg Trying to use TenTec RX331 receiver format control cables to connect to WJ 8723 receiver Will fail as they have different signaling requirements Congratulations The setup process is now complete The NRC Java Client application can now be used to connect to the NRC See Using the NRC Java Client Application NRC Properties dialog for further details See Using the NRC Java Client Application Change receiver model dialog for further details Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 19 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Operation Using the NRC Starting the NRC After pressing the power button the NRC may take up to 60 seconds to initialize and be ready for operation Initially the display will show Networked Receiver Controller and NRC version When initialization is complete the NR
35. ems WJ 8723 BFO foo Change La BAE Systems WJ 8723 m d BAE Systems WJ 8723 Bancwiath 4000 Change i i Detection mode cw X Change i i i Samples to skip on tune 350 samples change Pass through command Response sena Memory Location 2 _ouey toad save Reset Rx ll Reboot Rx Data Capture Viewing signal display Sample Rate 8 KHz Samples Data packet 512 Filtering 4 KHZLPF ON Time Stamp OFF Samples skipped successfully changed to 350 FE Signal Display CH 1 BAE Systems WJ 8723 SIGNAL Rectangle 5 6 The second is a spectral mode where the data is graphed in the frequency domain JE NRC 2 0 Java Client a SF ole ES e vam Em As ED HEN Connected Disconnect Channel 9 E 182168 1 158 port 30006 A Le thy BAE Systems Wu 8723 5 hy BAE Systems W4 8723 Frequency 00 000000 MHz Change Le G SS BETES IEC REI Detection made cw Change S BAE Systems WJ 8723 eee i BAE Systems Wu 8723 ASG mode EPS Change 3 BAE Systems W 8723 BFO 1000 He Change ba BAE Systems Wu 8723 A 3 J w d BAE Systems wu e723 F Bandwidth 4000 Hz Change Samples to skip on tune 350 samples Change Pass through command C Response Send Memory Location 2 Guey Load save ResetRx 2 Signal Display CH 1 BAE Sys
36. enal DT play HC BAE stems BB P cl Display Window ye Rectangle Display Range Bartlett Hanning Hamming Blackman SIGNAL Rectangle 512 8KHz Dynamic The display signals levels can be set using the Display Range menu options which provides e Dynamic scaling dynamically adjusts the signal amplitude to maximize the size of the data in the viewing window This is the default scaling option e Static scaling provides a number of different static amplitude ranges for the viewing window gnal Display CH C DAE Systems W J B 7 23 Eal Display Range gt Dynamic 2 Signal 5 Spectrum 0 54 Signal 4V Spectrum 0 44 Signal 3 Spectrum 0 34 Signal 2V Spectrum 0 24 D Signal 1V Spectrum 0 14 Signal 0 5 Spectrum 0 0 5 CEC PCa Signal 0 1V Spectrum 0 0 1v Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 36 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Appendix A Receiver Configuration BAE Systems WJ 8723 The WJ 8723 must be configured to operate and communicate with the NRC units This is achieved by configuring the WJ 8723 DIP switches A2S1 and A2S2 to o setthe receiver mode to SINGLE DROP mode set rocker switches 1 5 of DIP switch A2S2 to 1 o setthe serial communications to 19 200 bps set rocker switches 1 3 of DIP switch A2S1 to 1 0 0 respectively Once the receiver switch settings have
37. ept the servers can access the ntpd service restrict default ignore restrict 192 168 1 149 nomodify noquery notrap server 192 168 1 149 Change ntpd configuration y N y Restrict remote access to ntpd Y n y NTP server address 192 168 1 146 Additional server parameters Test 192 168 1 146 now Y n y Testing 192 168 1 146 Looking for host 192 168 1 146 and service ntp host found 192 168 1 146 server 192 168 1 146 stratum 3 offset 0 065870 delay 0 02568 6 Jul 16 31 01 ntpdate 1032 adjust time server 192 168 1 146 offset 0 065870c 192 168 1 146 tested ok Add another server y N n Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 16 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 After the above change sequence is complete set the ntp conf file contains the following restrict default ignore restrict 192 168 1 146 nomodify noquery notrap server 192 168 1 146 Once the ntp information has been configured the ntp daemon needs to be started and added to the server startup Select option 2 from the NTP Configuration Utility Below is a screen sequence example as the NTPd daemon is enabled Add ntpd to server startup y N y Added to startup Start ntpd now Y n y Starting ntpd The ntp daemon can be stopped and removed from the start up by re selecting option 2 from the NTP Configuration Utility which toggles to now show a remove ntpd opt
38. f the window Each of these components is discussed in detail below 2 NRC 2 0 Java Client E NRC Servers Q E 192 168 1 159 port 30005 1 BAE Systems WJ 8723 1j BAE Systems WJ 8723 ba TEN TEC RX 331 da BAE Systems WJ 8723 Ly BAE Systems WJ 8723 y BAE Systems WJ 8723 La BAE Systems WJ 8723 da BAE Systems WJ 8723 Tree The tree control is found on the left hand side of the main application window and functions much like the similar control found in file browsing applications Each component in the tree is referred to as a node Nodes are organized in a hierarchical fashion The tree is navigated by clicking the various nodes in the tree When a node is clicked the content panel is updated to provide detailed information and control options corresponding to that node in the tree In addition some of the toolbar buttons are enabled or disabled to reflect their use when that node is selected Each time a connection is made with an NRC server a node is inserted in the tree below the NRC Servers node representing the connection to that server The title of the node is the IP address or hostname entered Below this NRC node several channel nodes are inserted Each node represents a channel of that NRC server Channel Nodes Channel nodes provide some immediate information on the current state of that channel The title of each node is the model name of the receiver attached to that channel The NRC has 8 channel
39. information provides a scrollable window summary of the NRC s current status which includes e NRC Server s Identification information e name IP address e NRC Server s Configuration information e Clock Status Channel Gain settings NTP status NRC 2 0 Java Client ExT es ml aa e 2 EES E NRC Servers 9 E5 1921681 ty BAES NRC Type AEGIS_NRC2 0 i BAE S e Host Name nrelab1 des TEN T e IP 192 168 1 159 Ly BAES Information gathered Mon Jul 11 17 07 08 EDT 2005 y BAE S ta BAE 9 system settings da BAES dy BAES NTP ON Server 192 168 1 149 Up time 0 16 31 CPU Usage 1 Memory Usage 7 Network Usage 0 KB s incoming 3 KB s outgoing ADC Settings Internal Clock Differential Input Aegis NRC Monitor Information Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 24 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 e NRC Server s Performance information e Length of time the NRC server has been running uptime e Current CPU usage average over the last 5 seconds e Current memory usage e Current network usage outgoing and incoming data NRC 2 0 Java Client 5 7 1921681 d BAES thy BAES de TEN T thy BAES thy BAE S d BAES tha BAES d BAES me en sus mener preguency oetmede faro ra ace onm Si lan o a _ BAe systems w 8723 Ps ee per pe
40. ion 2 Remove ntpd from startup Below is a screen sequence example as the NTPd daemon is disabled and removed from the server startup Remove ntpd from server startup y N y Removed from startup Kill all running ntpd processes Y n y Okay killed Step 6 Set the Host Name Select option 4 and enter a name for this NRC This name should uniquely identify this NRC Below is a screen sequence example as the NRC name is changed Set NRC name Current NRC name nrc Change NRC name y N y Enter new NRC name nrcl Change NRC name to nrcl y RC name changed Step 7 Restart the NRC Select option R to restart the NRC The NRC has two restart options a system halt and a system reboot The NRC needs to be restarted to activate all the changes made through this configuration utility Once the system is restarted the NRC will be accessible from the network The systems reboot and halt operations both shutdown the NRC system with the reboot command initiating a follow on system restart Below is a screen sequence example as the NRC is reboot Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 17 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Restart NRC Halt or Reboot h R r Reboot system Do you wish to proceed y N y Proceeding with shutdown process Terminated flushing ide devices hdd Restarting system Note Normal operation is suspended in
41. lowing new values IP address enter DHCP for DHCP dynamic IP addressing 192 168 1 175 Subnet mask 255 255 255 0 Broadcast address 192 168 1 255 Network address 192 168 1 1 New parameters for network device eth0 IP address 192 168 1 175 Subnet mask 255 255 255 0 Broadcast address 192 168 1 255 Network address 192 168 1 1 Accept these settings y N y Network device successfully configured You must restart the NRC in order for these changes to take affect The following IP properties are needed to configure the NRC 1 IP address The IP address of the NRC if one has been assigned by the network administrator or DHCP if dynamic network addressing is supported in the network 2 Subnet mask Obtain the correct value from your network administrator or press Enter for none 3 Broadcast address Obtain the correct value from your network administrator or press Enter for none 4 Network address Obtain the correct value from your network administrator or press Enter for none These changes will take effect once the NRC needs to be restarted It is probably easiest to make all the NRC system changes and then restart the NRC at the completion of the changes Step 4 Set the Time and Date Select option 3 to set the correct time and date Below is a screen sequence example as the time and date are configured Current time Wed Jul 6 15 24 35 UTC 2005 Pleas nter new time and date in month day hour minute ye
42. n the receiver to the corresponding RCVR port on the NRC Be sure to select the RCVR port with the same number as the COM port chosen in the previous step 11 12 pos 7 Full Instructions on page 2 9 of the Installation and Operation Manual for the WJ 8723 Digital HF Receiver Manual Switch settings 1 is UP ON 0 is DOWN OFF These cables can be obtained from Aegis Inc Refer to page 4 12 of the HF DSP Receiver Model RX 331 Technical Manual for full instructions These cables can be obtained from Aegis Inc 12 To convert between TEN TEC RX 331 and WJ 8723 control cables requires a standard RS 232 crossover to be used in conjunction with the DB25 RJ45 cable Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 37 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Appendix B Software Upgrades From time to time Aegis may release an upgrade the NRC system software This can be integrated into the NRC by either replacing the NRC systems internal compact flash card or by remotely downloading new files into the NRC system This appendix discusses the second option of downloading remotely new files into the NRC This information is provided for reference and is not expected to be needed by every user NOTE Any NRC system upgrades need to be performed by a linux unix IT system administrator and coordinated with Aegis to ensure a smooth system upgrade this is not a no
43. ntains this file Type java jar NRCJavaClient jar and press Enter If the java exe application is not found in a path pointed to by the PATH environment variable specify the path on the command line Connect to NRC Server Dialog e Connect to NRC server Host Port host name or IP address host port 30005 e ema The first order of business is to make a network connection with an NRC server This can be done with knowledge of the IP address or DNS resolvable hostname given to the NRC during the software configuration The NRC Java Client can attach to multiple NRC servers or the same NRC server multiple times When starting the NRC Java Client the Connect to NRC server dialog box appears This dialog can be raised at any time by clicking the Connect to NRC server button on the toolbar of the main application window Enter the IP address or hostname of the NRC server and the port number in this dialog and click the Enter button or press the Enter key Note the default port number is automatically generated before the dialog appears Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 22 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 The Main Application Window The window is split into several functional areas On the left is the tree and to the right is the content panel A toolbar is found at the top and a status bar can be seen at the bottom o
44. of the receiver s settings o Full access to the receiver s audio configuration and data options o Can be promoted to Primary connection status if the existing Primary client disconnects Remote NRC System Monitoring e View current state of receiver configurations and attached clients e View health and well being of NRC Digitized Audio Channel Output Options Sampling Rate 8 KHz default 16 KHz Filtering 4 KHz LPF default None Samples Data Packet 640 default 128 4096 Packet Time Stamping None default TAI64N Retune Samples skipped 350 default variable Collection Control Start Stop Receiver Channel POST e A power on self test is used to verify each receiver s RS 232 control and audio signal paths to reduce the possibility of incorrectly connecting receiver cables Network Time Protocol NTP Client e The NRC is configurable to obtain and synchronize time with an NTP Server Users Guide Networked Receiver Controller NRC 2 0 1 Copyright 2005 Aegis Inc 11 October 2005 PAGE 8 wwww aegis inc net ph 240 568 9006 Specifications System Hardware e CPU System o PC x86 SBC based system e Operating System o Linux OS Compact Flash based file system Supported Receivers e DRS WJ 8723 HF Receiver e Ten Tec RX 331HF Receiver e Additional Receivers available upon request Physical Inputs Outputs e Number of controllable receivers 1 to 8 e Connections Receiver o
45. ples to be contained within a data packet e the effective sampling rate of the data either 8 KHz or 16 KHz e the audio data filtering option 4 KHz LPF ON or OFF and e the packet time stamping TAI64N ON or OFF Sampling synchronization is achieved either via the NRC s internal high precision crystal oscillator circuitry or by a user provided external clock signal into the NRC s EXT CLK port The user external clock signal if used should be a 50 duty cycle TTL square wave operating at a frequency of 16 KHz Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 6 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Universal Receiver Translation Abstraction The NRC abstracts the user from each receiver s proprietary low level communications protocol by presenting a common receiver translation software tasking interface to the user This common software interface allows the user to task the receivers at a logical level without the need to worry about how to implement this tasking This allows a wide range of different receivers to be tasked via the NRC in the same manner regardless of the number model or configuration of the receivers This receiver hardware abstraction allows the NRC To be easily programmed to connect to almost any receiver with an audio output To accommodate being connected to different receiver models simultaneously To control the major functions of any receive
46. r through a simple tasking protocol To provide receiver vendor independence allowing the user to utilize the most appropriate receiver for any given application Receiver XML configuration files are used to define the different receiver protocol profiles This allows new receiver support to be added to the NRC relatively quickly and simply by generating and integrating a new receiver XML profile file A list of currently supported receivers can be found in the specifications section of this document with additional receiver support able to be provided upon request Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 7 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Capabilities Summary Receiver Controllable Settings e Frequency e Detection Mode e IF Bandwidth e AGC mode e BFO e Reset Reboot e Pass native commands to the receiver o By pass the generic receiver interface and send the receiver proprietary commands e Receiver Memory Interface Support o Save recall and query receiver configuration memory settings Client Connection Options e Up to 64 simultaneous client connections e Primary connection to a receiver when it is free o Full control and access to the receiver the audio data and its configuration options e Piggyback connection to a receiver that already has a Primary client attached o Limited connection privileges o Nocontrol of the receiver but visibility
47. rc 8 Digitized Audio Channel Output Options ss 8 Receiver Channel POSTS re i A EA ALAS 8 Network Time Protocol NTP Client ss 8 Specifications A O A ee Dee Eu need 9 System HAT ACER A ed A anne 9 SUpportet SR ER Rennes tas ist se 9 Physical ire tit Or Tuoi eR s 9 A D CONVERSION P n insiste 9 CHASSIS RM P 9 Support Software coi eode A A a doli E ren 9 jsp cs RH ee 9 ac occhi Cooler no cope tv etu Ee ien 9 MAO SA Re uideat end harte A NN NA td ee 11 Pon RTS nn Cr 11 Hardware Installation ti ae ed ee do tg ee 12 Step 1 Receiver Audio Signal Termination Type 12 Step 2 RACK MOURETHS NRE UA A a aii 12 Steps connect PO A O ee ics en fa OR ED i Tella 12 Step 4 Connect Receivers oec ina e aan nanas 12 Step 5 Optional Connect an External Clock ss 12 Steps Conmiecrto the NetWork nece e esac tals ss 12 NRE C ODBSULPAUOH ere da 13 Prerequisites AN NH 13 Step I Connect to th NR iae siete EUER aitor a 13 Step 2 Change Administrator Password ss 14 Step 3 Configure Network Seti RSR Sn ds ne 15 Step 4 Setthe Time and Date aa 15 Step 5 Configure the Network Time Daemon Optional eene 16 SSF Sette Host Name A A A 17 Step 7 Restart the NRO Rios 17 Step 8 Configure the NRC Tor RECEIVERS cojvccsasicsdsscasavasdadeucasedadaeassessensgadeondtedsasnessncadarsanas 19 Operati M
48. s able to communicate with the NRC but fails to respond as expected when tuned to provide a self test audio tone to the NRC unit Check the receiver s RS 232 and audio connections to the NRC match and then reboot re power the receiver and or the NRC A client is currently connected to this channel and is receiving data from this channel A client is currently connected to this channel This channel is fully functional and available for use When the NRC is configured and operating correctly symbols Al A and D will be most often displayed Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 21 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Using the NRC Java Client Application Requirements The NRC Java Client application can be executed on any computer that supports the Java 2 platform and is connected to the network It is most thoroughly tested with the Sun Java 2 Platform Standard Edition version 1 4 which can be downloaded freely from http java sun com j2se 1 4 2 download html It is recommended that the newest version of the Java 2 Platform be used Consult your system administrator for more information on running Java on your system Running the NRC Java Client On systems that support automatic execution for known file types the application can be run by double clicking the NRCJavaClient jar file Otherwise from a command prompt navigate to the directory that co
49. s and these are represented with the top node being tied to channel 1 node 2 tied to channel 2 and sequentially down to node 8 being tied to channel 8 If there is no receiver configured for that channel the node will read No receiver attached In addition the color of the node shows the connection state of that channel Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 23 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 e Gray no receiver is attached to that channel e Beige the channel is free e Green a primary client is attached to that channel with full access privileges e Red the channel is in use by another client e Yellow a piggyback client is attached to that channel with limited privileges Content Panel The content panel contains a display corresponding to the current selection in the tree This display typically provides information regarding the tree selection as well as controls that can be used to modify this information The following sections discuss the content panels displayed when the various node types are selected NRC Servers Node There is no function for this node currently so the content panel appears blank when this node is selected NRC Server Node Each NRC server node represents an existing connection between the client and an NRC server When a server node is selected Monitor information will be displayed in the content panel The monitor
50. tems WJ B723 Reboot Rx Data Capture Viewing signal display Sample Rate 8 KHz SamplesiData packet 512 Filtering 4KHzLPFON Time Stamp OFF Samples skipped successfully changed to 350 Switch between modes by right clicking on the display and using the Display menu Additional information about the signal can be gleaned by moving the mouse cursor around the signal display The cursor will turn into a crosshair design and information regarding that point of display will be displayed at the bottom right of the dialog In signal mode the time in milliseconds x will appear followed by the voltage y In spectrum mode the frequency in hertz x will be shown followed by the voltage y Closing the display dialog will stop capture on that channel i Meaningful Spectral displays are only displayed for data packets of sizes 218 256 512 1024 2048 and 4096 For other data packet sizes a null display is shown Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 35 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 n ignal Display CH 0 BAE tems W J B723 Eal Display gt Spectrum Window Display Range gt In addition to providing different graph domains the data can be viewed using various well known windowing functions Rectangular Bartlett Hanning Hamming Blackman Switch between modes by right clicking on the display and using the Window menu
51. tions will need to O be established with the NRC once it is fully reboot about 60 seconds later Reboot NRC server Are you sure you want to reboot host 192 168 1 159 port 30005 Receiver version button This button is enabled when the NRC server is selected in the tree When clicking this button a summary of the NRC software modules is displayed NRC Version Information NRC 2 0 Version information File Last Modification JusribiniCCPServer Tue Jun 21 13 52 14 EDT 2005 Ausr bin RCPServer Thu Jun 16 12 59 20 EDT 2005 letci CCPConfig ml Mon Jun 20 13 53 09 EDT 2005 z RoG fetcDDPConfig xmi Thu Jun 09 15 14 12 EDT 2005 letciLCDConfig xml Mon Jun 20 12 15 39 EDT 2005 Jetc RCPConfig xml Thu Jun 16 13 00 12 EDT 2005 Jetc RX331 xml Tue Jun 21 10 41 15 EDT 2005 JetcWJ8723 xml Thu Jun 16 12 50 10 EDT 2005 Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 29 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 Receiver configuration button This button is enabled when a connected channel node is selected in the tree When clicking this button the configuration options of that receiver are presented The receiver provides the actual text so the user is referred to the receiver operating manual to decode the text i Receiver configuration amp 16T AM FM CW CW1 ISB LSB USB SAM 8000 640 0 30000000 Receiver status button this button is
52. vice activity NRC Hile System The NRC is built upon a Gentoo Linux file system which includes a script file which runs during the reboot process This script file looks to see if there are any system upgrade files which have been placed in certain directories since the last reboot The file relevant portion of the system file tree is root code_changes directory and its sub directories An extract of the relevant NRC directory structure is shown below 3 root 3 code changes 3 old B led 3 updates I lcd where code_changes is a command file directory updates 1s the directory where new system files are copied to for subsequent installation into the NRC system updates Icd is the directory where new lcd files are placed for installation into the LCD Display old 1s the directory where original system files are moved to as a result of a software update old lcd is the directory where original lcd files are moved to as a result of a software update The NRC supports 3 null sized command files which when placed in the code change directory initiate action UPDATE RESTORE and CLEAN A command file is simply a regular file of no content that has a specific file name Users Guide Networked Receiver Controller NRC 2 0 1 PAGE 38 11 October 2005 Copyright 2005 Aegis Inc wwww aegis inc net ph 240 568 9006 UPDATE Command If the UPDATE command file is present in code_changes directory during an NRC system
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