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CSL CS468 16-Port EPC CLASS 1 GEN 2 RFID READER

USER'S MANUAL, VERSION 2.0.1

7.6

Power Level (C# and Java Demo App)

User can set the power of CSL RFID Reader up to

maximum 30 dBm

using both C# and Java

Demo App.

To set up power level of the CSL RFID Reader, press

“

Setup

”

button in the Main Menu.

If user is using C# Demo App, click on

“

Antenna Port Config

”

If user is using Java Demo App, click on the tab

“

Antenna Ports

”

C# Demo App

Java Demo App

C# Demo App

Java Demo App

Содержание CS468

Страница 1: ...S 1 GEN 2 RFID READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 1 CSL CS468 16 Ports EPC Class 1 Gen 2 RFID Reader User s Manual Version 2 0 1 CSL The One Stop Shop for RFID Solutions ...

Страница 2: ...NNECTION FOR CS468 17 4 4 2 GPIO CABLE CONNECTION FOR CS468 18 4 4 3 CSL GPIO BOARD 21 4 5 READER MECHANICAL MOUNTING 22 5 SOFTWARE INSTALLATION 23 5 1 SOFTWARE CONTENT OF SHIPMENT PACKAGE 23 5 2 PC SIDE PREREQUISITES 25 5 3 DEFAULT EX FACTORY IP SETTINGS 25 5 4 CHANGING IPADDRESS 26 5 5 DEMO APPLICATION C NATIVE SINGLE READER ON WINDOWS OS WITH USER INTERFACE 27 5 5 1 HARDWARE SETUP 27 5 5 2 SOFT...

Страница 3: ...D JAVA DEMO APP 63 7 7 COUNTRY FREQUENCY AND FIXED CHANNEL C AND JAVA DEMO APP 65 7 8 RSSI FILTER C AND JAVA DEMO APP 73 7 9 LINK PROFILE C AND JAVA DEMO APP 78 7 10 TARGET AND TOGGLE A B FLAG C AND JAVA DEMO APP 81 7 11 SESSION AND TAG SELECTION C AND JAVA DEMO APP 83 7 12 SLOT COUNT PARAMETER Q AND DWELL TIME C AND JAVA DEMO APP 84 7 13 INVENTORY ALGORITHM FIX Q AND DYNAMIC Q ALGORITHM C AND JAV...

Страница 4: ...IRMWARE UPGRADE PROCEDURE 115 10 4 1 PROCEDURE FOR CSL READER WITH RFID PROCESSOR APP VERSION 1 3 XX OR 1 4 XX 115 10 4 2 PROCEDURE FOR CSL READER WITH RFID PROCESSOR APP VERSION 1 5 XX OR AFTER 125 11 REGULATORY INFORMATION 135 11 1 FEDERAL COMMUNICATIONS COMMISSION FCC COMPLIANCE 135 APPENDIX A RFID BASICS 136 APPENDIX B OPERATION PROFILES AND GEN2 PARAMETERS 137 APPENDIX C RF CHANNELS 141 APPEN...

Страница 5: ...ensure compliance with the Part 15 certification It is the responsibility of the operator and professional installer to ensure that only certified systems are deployed in the United States The use of the system in any other combination is expressly forbidden This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and o...

Страница 6: ...imited All Rights Reserved 6 3 Introduction 3 1 Product Package 3 1 1 Basic Package Content The reader package contains CS468 reader main unit with 16 ports antenna switching unit mounted 12V switching power supply USB cable GPIO cable Plastic caps for connectors USB cable Power adaptor Main unit GPIO cable ...

Страница 7: ...r with ultra high speed antenna switching Ultra long read range 12 meters with DogBone tags from Smartrac FCC version Ultra high read rate peak at 300 tags per second Robust performance in dense reader environments Configurable parameters offer maximum throughput and optimal performance Supports all Gen 2 commands including write lock and kill Ethernet connectivity with Power over Ethernet PoE or ...

Страница 8: ...ource Max consumption on PoE 18W RFID Frequency Ranges 865 868 MHz 902 928 MHz 952 954 MHz bands Interfaces LAN TCP IP Configurable to use fixed IP address or DHCP or USB Maximum Tag Read Rate 300tags sec normal 150 tags sec dense reader mode Accessories RS232 cable main unit to antenna switching box RF coaxial cable main unit to antenna switching box USB cable GPIO cable 12V switching power suppl...

Страница 9: ...ader mode 16 port reader with ultra high speed antenna switching Ultra long read range 12 meters with DogBone tags from Smartrac FCC version Ultra high read rate peak at 300 tags per second Robust performance in dense reader environments Configurable parameters offer maximum throughput and optimal performance Supports all Gen 2 commands including write lock and kill Ethernet connectivity with Powe...

Страница 10: ... Power Over Ethernet enabled power source Max consumption on PoE 18W RFID Frequency Ranges 865 868 MHz 902 928 MHz 952 954 MHz bands Interfaces LAN TCP IP Configurable to use fixed IP address or DHCP or USB Maximum Tag Read Rate 300tags sec normal 150 tags sec dense reader mode Accessories USB cable GPIO cable 12V switching power supply Plastic caps for connectors Order Code CS468 NINT N 1 865 868...

Страница 11: ...D READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 11 4 Hardware Installation 4 1 Hardware Content of Shipment Package Figure 4 1 Packing Content Power adaptor CS468 Main Unit USB cable GPIO cable ...

Страница 12: ...ANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 12 4 1 1 CS468 Reader The CSL CS468 16 Port RFID Reader is an EPCglobal Class 1 Gen 2 integrated reader product Figure 4 2 CS468 Reader Side View Figure 4 3 CS468 Reader Side View ...

Страница 13: ...SL CS468 16 Port EPC CLASS 1 GEN 2 RFID READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 13 Figure 4 4 CS468 Reader Side View Figure 4 5 CS468 Reader Side View ...

Страница 14: ...nce Systems Limited All Rights Reserved 14 4 2 CS468INT Reader The CSL CS468INT 16 Port RFID Reader is an EPCglobal Class 1 Gen 2 integrated reader product Please DO NOT dismount the multiplexer box when use Figure 4 6 CS468INT Reader Top View Figure 4 7 CS468INT Reader Side View Multiplexer box ...

Страница 15: ...here are 2 cables have to be connected between the reader main unit and the antenna multiplexer the RF cable and serial control cable CS468 has two power up modes 12V power supply mode and PoE mode For 12V power supply mode the connection diagram is as below Figure 4 6 12V power supply Setup 12V Power Adaptor Ethernet Cable To antenna PC Server RF cable Serial cable ...

Страница 16: ...ts Reserved 16 For PoE power supply mode the connection diagram is as below Figure 4 7 POE adaptor Setup The reader is connected to a PoE enabled switch or a PoE adaptor s output port The input port of PoE adaptor is connected to a host computer Ethernet Cable To antenna PC Server PoE enabled Network Switch Ethernet Cable ...

Страница 17: ...rts for connection up to 16 different mono static antennas Please make sure the antenna ports are connected properly before running the application program to active the port For connecting CS468 to different CSL antennas you need different type of antenna cable as below Antenna Model Cable Model CS771 CS772 CS777 CS778 CS811 1M RP SMA Plug RG223 RP TNC Jack CS713 CS810 1M RP SMA Plug RG223 SMA Pl...

Страница 18: ...ted All Rights Reserved 18 4 4 2 GPIO Cable Connection for CS468 Pin Assignment The pin assignment of the GPIO cable DB 9 to open wires come in the package is as below Connection 2 GPO0 Yellow 3 GPO1 Green 4 GPI1 Red 5 GPI0 Blue 8 9 GND Black Note 1 Double Shielding AL foil copper braid Electrical Specification ...

Страница 19: ...ION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 19 Example Circuits CS468 GPIO Connection Example Simple Circuit GPIO port can be connected in the following way with LED switch and resistor For GPO0 Green and GPO1 Yellow For GPI0 Blue and GPI1 Red ...

Страница 20: ...RSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 20 CS468 GPIO Connection Example Optical Coupler GPIO port can be connected in the following way with optical couplers switch and resistor For GPI0 Blue and GPI1 Red For GPO0 Green and GPO1 Yellow ...

Страница 21: ...rnal devices The connection is as below Please refer to the CSL GPIO Board Connection Guide for details Connection with CSL GPIO Board The CSL GPIO board can be used for connecting the CS468 GPIO port to control external devices Please refer to the special note Use of CSL RFID Reader GPIO Control with C Native Demo Program for details 6 48 Vdc Adaptor GPIO Port Device Controlled by CSL GPIO Board ...

Страница 22: ...16 Port EPC CLASS 1 GEN 2 RFID READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 22 4 5 Reader Mechanical Mounting The mechanical drawing of the CS468 reader is as below ...

Страница 23: ...e and Multi Reader Windows OS Java for Single and Multi Reader Windows OS CSLAdaptor for Rifidi Edge Server for Multi Reader Windows OS C for Multi Reader Linux OS 3 Special Notes Ethernet Connection Problems and Handling Methods Use of Network Protocol Analyzer Packet Sniffer Wireshark Use of CSL RFID Reader GPIO Control with C Native Demo Program Set CSL RFID Reader to Bootloader Mode and Factor...

Страница 24: ...eader Windows OS C Low Level API for Multi Reader Linux OS 3 Reference Manual C Unified API Reference Manual Low Level API Manual 4 Special Notes Ethernet Connection Problems and Handling Methods Use of Network Protocol Analyzer Packet Sniffer Wireshark Use of CSL RFID Reader GPIO Control with C Native Demo Program Set CSL RFID Reader to Bootloader Mode and Factory Default IP Configuration Setting...

Страница 25: ...e and it is downloadable from Microsoft website 5 3 Default Ex Factory IP Settings CS468 is shipped out with the following default ex factory IP settings Reader IP address IP 192 168 25 203 Subnet Mask 255 255 255 0 For the first connection to it one can use a PC or a laptop set it to the IP address in the same subnet e g 192 168 25 141 with subnet mask 255 255 255 0 then run the Demo Application ...

Страница 26: ... After initial unpacking and connecting to the CS468 reader using the default ex factory device and PC server IP address the system integrator will need to change the IP address of the CS468 reader to the actual IP address at the site The IP Address of the reader can be changed using the Demo Application C Native Single Reader on Windows OS with User Interface ...

Страница 27: ... the RFID LED of the available device will be turned on 5 5 2 Software Setup After the hardware setup open the Demo Application C Native Single Reader on Windows OS with User Interface The utility provides the following functions Search for available CS468 in the network Change the CS468 IP address and device name Change the TCP timeout value Update the CS468 Firmware Bootloader Application for RF...

Страница 28: ... 5 1 Demo Application C Native Single Reader 5 5 3 Search CS468 1 Press the Search button 2 Available CS468 reader on the same subnet will be listed as shown in Fig 5 2 3 To direct search a reader on another subnet enter the IP address of the CS468 in the IP box check the Direct Search option and click Search button Fig 5 2 Searching CS468 ...

Страница 29: ...The selected one will be highlighted by a black border 2 Press the Assignment button 3 Change the CS468 device name IP address subnet mask gateway and trusted server IP and press Assign 4 TrustedIP is the IP address of the server for controlling CS468 Once this Trusted Enable is selected only this trusted server can control the CS468 5 After that the network configuration of the device is set Fig ...

Страница 30: ...ess is in the same subnet as the CS468 2 CS468 reader side IP configuration confirmation run command prompt and then run ping 192 168 25 203 or any other IP address that you have already assigned to the CS468 reader 3 Socket status run command prompt and then run netstat na 4 Reader read tag capability put a reference tag tag with an ID that you know a priori on an antenna connected to the CS468 r...

Страница 31: ...tion situations 1 CS468 reader is turned off and on for 1 Very short time due to power spikes 2 A few minutes or more due to site maintenance or other regular site electrical operations 2 PC side software is turned off and on for 1 Very short time due to manual software application reset 2 A few minutes or more due to site PC OS maintenance or other regular site PC server hardware maintenance ...

Страница 32: ...u may need a Crossover Ethernet cable for connecting the reader to a computer directly For connecting it to a switch router it depends on whether the switch router s network port supports auto switch to handle crossover cable Auto MDI MDIX If not then a straight cable is needed 2 Power up the CS468 2 Software Setup After the hardware setup open the Demo App The utility provides the following funct...

Страница 33: ...l Rights Reserved 33 Fig 5 4 CS468 DEMO APP 3 Search CS468 1 Press the Search button 2 Available CS468 devices will be listed as shown in Fig 5 5 3 To direct search a reader on another subnet enter the IP address of the CS468 in the IP box check the Direct Search option and click Search button Fig 5 5 Searching CS468 ...

Страница 34: ...n the IP address to the reader as you want Select the available CS468 The selected one will be highlighted by a black border 2 Press the Assignment button 3 Change the CS468 IP subnet mask gateway and trusted server IP and press Assign 4 TrustedIP is the IP address of the server for controlling CS468 Once this Trusted Enabled is selected only this trusted server can control the CS468 Fig 5 6 Assig...

Страница 35: ...USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 35 6 C Demo Application Program Operation 6 1 Searching for CS468 device Click Search button to search device in the same network Choose specific device to connect ...

Страница 36: ...i make sure the Dot Net Framework 3 5 is installed ii Disable the firewall setting on the PC or network or open the port number 1515 and 1516 iii Reboot the CS468 device 6 2 Network Configuration of CS468 After you have found a CS468 device you can configure the target device IP address DHCP or static IP Device Name and TCP timeout in Assignment Note Set TCP timeout to be zero at this moment ...

Страница 37: ...USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 37 6 3 Connecting to CS468 In order to connect to a CS468 device select the device on the list and click the Connect button Choose a device and click Connect button ...

Страница 38: ...CSLibrary Version RFIDXP DLL Network Processor Application Version Frequency profile currently setting Frequency Hopping Link Profile 2 is using Power Level 300 30dBm Device Type CS203 CS468 CS469 API Mode communicating with Reader Destination Path where the reader configuration is saved Search Tag Channel Setup Exit program TID Bank Demo Write without choose tag Lock Tag data Kill Tag CS9010 Demo...

Страница 39: ...0 1 Copyright Convergence Systems Limited All Rights Reserved 39 6 5 Inventory This page demonstrates the tag inventory functions for reading tags continuously with the RSSI value and read count Click the Run button to start reading tags Click to Column to sort the content ...

Страница 40: ...entory Select a tag Clear list Exit program Save tag data to file Clear Count Group tags from different antennas Record system status Read TID Data Read User Data TID Data Offset in WORD TID Data Length in WORD User Data Offset in WORD User Data Length in WORD Record tag data read Tag Log File Size MB Set Tag Log Files Limit Tag Log File format Destination where Tag Log File stored in PC ...

Страница 41: ... Copyright Convergence Systems Limited All Rights Reserved 41 6 6 Read Write This page demonstrates the function of reading and writing different memory banks of a selected tag 1 Click on the Search to scan for and select the tag you want to access 2 Select the tag on the list ...

Страница 42: ...R S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 42 3 Read the tag After the tag is selected you can click the 2 Read Tag tab to read the memory banks of this tag 4 Click on the Read button to read all the memory banks ...

Страница 43: ...word and length of words you want to read Click on the red lines and change values After entering the Offset and Word in terms of words click the Read button to read the tag If the length of the user memory read is too long to be displayed on screen click on the data and it will expand to display all the data If the memory bank is locked input the access password in Access Password field to read t...

Страница 44: ...e the tag Click on the 3 Write Tag tab on the top to write data on the selected tag memory banks 7 Tick the checkbox es of the memory bank s you want to write Input the new data of that field s and then click the Write button to write the new data If the memory bank is locked input the access password in Access Password field to write the tag ...

Страница 45: ...L CS468 16 Port EPC CLASS 1 GEN 2 RFID READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 45 8 Exit Read Write To exit this Read Write function click the Exit tab ...

Страница 46: ...rting from ABCD01234567890123456701 The parameters should be as follows Num of Tag 100 Initial Value decimal 1 Mask ABCD012345678901234567XX because it needs 2 Hex digits for total 100 numbers Then you should input as below and click the Start button to start writing Total number of tags to write The starting value to write EPC Mask Number of tags successfully written Input Fix Q Value Enable Togg...

Страница 47: ...ION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 47 6 8 Geiger Counter Search This page demonstrates the Geiger counter tag search mode Search or Input the EPC ID of the tag or partial of the EPC ID you want to search and then click the Start button ...

Страница 48: ...RSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 48 When the tag is seen it shows the RSSI value 6 9 Tag Security This page demonstrates the tag security operations lock unlock and kill Click Please Click Here To Select A Tag to scan for the tag ...

Страница 49: ...ever without access password cannot lock it again LOCK Lock the bank cannot read and write the tag need access password to unlock it PERM_LOCK Permanently lock the bank cannot read and write the tag forever cannot unlock it again UNCHANGED Keep the existing security state For EPC and User Memory USER banks UNLOCK Unlock the bank allow user to write it without access password PERM_UNLOCK Permanentl...

Страница 50: ...g and it could not be locked Please write the access password on the tag in Read Write function first Click the Apply Security button to set the security on the tag s memory bank s 6 10 User Perm lock In Tag Security the User Perm lock function is used for block level 64 bits Perma lock of tag s user memory This function is only applicable for new tag that complies to the EPC Class 1 Gen 2 Tag Spe...

Страница 51: ...vergence Systems Limited All Rights Reserved 51 To perma lock the 64 bits block of user memory 1 Click User Perm lock button to enter the block perm lock page 2 Click Please click here to select a tag to scan and select the tag you want to lock 3 Enter the correct Access Password of the tag ...

Страница 52: ...64 bits of the user memory 5 In order to change the lock status of a block Right click the block s you want to lock for changing the lock status and then select PermaLock 6 Make sure the correct Access Password is entered and then click Lock button to perma lock the block s 7 The blocks permalock status will be changed Note that it is Permanent Lock on the block s it cannot be unlock again ...

Страница 53: ...eration Click Click here to select a tag to destroy to scan and select the tag After the tag is selected enter the kill password of the tag as below If the kill password of the tag is set as 00000000 that means no password is set on the tag and it could not be killed Please write the password on the tag in Read Write function first After that click the Kill Tag button to kill the tag ...

Страница 54: ...ts Reserved 54 6 12 Setup Please refer to Section 7 Reader Configuration about Reader Setup in detail 6 13 Middleware Connectivity The CS468 is connected to many middleware and the list of compatibility will continuously keep growing Currently there are 2 middleware already connected 1 Sybase iAnywhere 2 Microsoft Biztalk ...

Страница 55: ... configuration components of CSL RFID reader CS203 CS468 CS469 Inventories Flag Link Profile Antenna Port and Sequence Target Session Inventory Algorithm Fix Q Dynamic Q Algorithm Fixed Channel RSSI Filter Power Level Frequency and Country IP Configuration Tag Kill Tag Tag Perma Lock Tag Geiger Counter Search Tag Write Any Start Q Value and Dwell Time Reconnect Timeout Set GPIO Interface to Reader...

Страница 56: ... the reader to get an IP address assigned from DHCP server tick the DHCP Enable checkbox input the DHCP retry value and click the Assign button C Demo App also provides a Trusted Server feature that only a specific device can connect to the CSL RFID reader To enable this feature tick the Trusted Enable checkbox and input the IP address of the computer device in TrustedIP boxes and then click Assig...

Страница 57: ...reconnect to the RFID Reader within a time In Java Demo App the default Reconnect timeout is 5 seconds In C Demo App to setup the timeout for reconnection press Setup button in the Main Menu In the window Setup choose General Options In the field Reconnect Timeout user can set the Reconnect timeout in ms default value is 30000 which is equal to 30 seconds Click Apply when the setting is confirmed ...

Страница 58: ... interface For some CSL RFID Reader USB and Serial RS232 interfaces also available User should refer to the specification of CSL RFID Reader and check Connectivity before changing the reader interface setting using the Demo App User can use C Demo App to change the reader interface setting Press Set Interfac button in the Main Menu User can set the reader interface setting with option Ethernet USB...

Страница 59: ...n the CSL RFID Reader according to the specification Below is example of CS203 CS468 and CS469 Number of antenna ports available in CS203 1 Max 1 active port 0 Number of antenna ports available in CS468 16 Max 16 active ports 0 15 Number of antenna ports available in CS469 4 Max 3 active ports 0 3 To set the ACTIVE INACTIVE state of CSL RFID Reader antenna ports user press Setup in the Demo App If...

Страница 60: ... port to have a different inventory and profile property and frequency property by ticking the box Enable Local Inventory and Enable Local Profile and Enable Local Channel and then selecting the values you like The following is an example for a European version where there are 4 frequency channels and the user can select a different frequency The Start Q values are also different This is particula...

Страница 61: ...etup 1 Normal Mode The antenna port switching follows the normal port number sequence e g 0 1 2 3 4 5 6 14 15 and then repeat from 0 again 2 Sequence Mode User defined antenna port switching sequence e g one can define 0 15 1 14 2 13 3 7 8 and then repeat 3 SmartCheck Mode Reader detects if there is any tag on each antenna If there is no tag detected the reader will switch to next antenna port imm...

Страница 62: ...enna sequence in each cycle Please note that the Sequence Size is equal to the number of active antenna port configured by user In the antenna sequence table input the antenna port switching sequence in the column Antenna Port 0 15 according to the available active antenna port index Click the Apply button to confirm Click Apply when the setting is confirmed Java Demo App Java Demo App ...

Страница 63: ...d Java Demo App User can set the power of CSL RFID Reader up to maximum 30 dBm using both C and Java Demo App To set up power level of the CSL RFID Reader press Setup button in the Main Menu If user is using C Demo App click on Antenna Port Config If user is using Java Demo App click on the tab Antenna Ports C Demo App Java Demo App C Demo App Java Demo App ...

Страница 64: ...the power level by changing the value in the field Power Level 1 10 dBm Press Apply Change button to confirm If user is using Java Demo App user can change the power level by changing the value in the field Power dBm 10 Press Apply button to confirm Please note that Antenna port output power is set in 0 1dBm The default value is 300 which is equal to 30dBm C Demo App Java Demo App ...

Страница 65: ...he UHF spectrum Country Region Frequency Certification USA 902MHz 928MHz FCC Europe 865MHz 868MHz CE China 920MHz 925MHz SRRC Japan 915MHz 922MHz TELEC Australia 920MHz 926MHz C TICK India 865MHz 867MHz South Africa 915MHz 919MHz 865MHz 868MHz ICASA Taiwan 922MHz 928MHz NCC Hong Kong 920MHz 925MHz OFTA Malaysia 919MHz 923MHz SIRIM Singapore 920MHz 925MHz FCC Please refer to the document Regulatory...

Страница 66: ... 66 The Order Code is printed at the rear panel of the CSL RFID Reader The format of Order Code is shown as follow CS203 CS203ETHER NXHCP CS468 CS469 N CS469 CS468 N where N N 1 865 868 MHz Europe 865 867 MHz India N 2 902 928 MHz USA N 4 922 928 MHz Taiwan N 7 920 925 MHz China Australia Malaysia Hong Kong etc N 8 915 922 MHz Japan ...

Страница 67: ...an set the Country Frequency and Fixed Channel of CSL RFID Reader using both C and Java Demo App To set up power level of the CSL RFID Reader press Setup button in the Main Menu If user is using C Demo App click on General Options If user is using Java Demo App click on the tab General Options C Demo App Java Demo App Java Demo App C Demo App ...

Страница 68: ... App choose the country region in the field Country Country Region option for CSL RFID readers United state FCC Europe ESTI India IN G800 G800 Australia AU Brazil 1 BR1 Brazil 2 BR2 Hong Kong HK Thailand TH Singapore SG Malaysia MY South Africa ZA Indonesia ID China CN CN1 CN2 CN3 CN4 CN5 CN6 CN7 CN8 CN9 CN10 CN11 CN12 Taiwan TW Japan JP C Demo App C Demo App ...

Страница 69: ...CC AU BR1 BR2 HK TW TH SG MY ZA ID N 4 AU MY SG TW ID CN CN1 CN2 CN3 CN4 CN5 CN6 CN7 CN8 CN9 CN10 CN11 CN12 N 7 AU TH SG CN CN1 CN2 CN3 CN4 CN5 CN6 CN7 CN8 CN9 CN10 CN11 CN12 N 8 JP If user wants to operate the RFID Reader in one frequency channel without frequency hopping tick the checkbox Fixed Channel and select the frequency in the field Frequencies MHz Click Apply when the setting is confirme...

Страница 70: ...8 16 Port EPC CLASS 1 GEN 2 RFID READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 70 The updated configuration can be checked in the Main Menu of Demo App C Demo App ...

Страница 71: ...ms Limited All Rights Reserved 71 If user is using Java Demo App choose the country region in the field Country in the tab General Options If user wants to operate the RFID Reader in one frequency channel without frequency hopping tick the checkbox Fixed Channel Java Demo App Java Demo App Java Demo App ...

Страница 72: ... Apply and wait until the Main Menu appears Enter the window form again by pressing Setup button in the Main Menu and clicking on the tab General Options Select the frequency in the field Frequencies MHz Click Apply when the setting is confirmed The updated configuration can be checked in the Main Menu of Demo App Java Demo App Java Demo App ...

Страница 73: ... RFID tag moves away from the RFID reader the signal gets weaker Setting optimal reading and writing conditions RSSI value can be used to analyze the tag reading and writing conditions The optimal condition is to be able to use as little power as possible for achieving a strong enough signal to perform the RFID actions Analyzing and optimizing the environment Locating lost tags Geiger search Many ...

Страница 74: ...onvergence Systems Limited All Rights Reserved 74 If user is using C Demo App press Geiger in the Main Menu Place the tag in front of reader antenna Port 0 for distance estimation In the GeigerSearchForm press Geiger user can check the range of RSSI value C Demo App C Demo App C Demo App ...

Страница 75: ...l Rights Reserved 75 Go to the Main Menu Press Setup in the Main Menu Click on Inventory Config tick the checkbox Enable and set the RSSI threshold value in the field RSSI filter The filter will ignore tags with RSSI value less than the threshold set Click Apply to confirm the setting C Demo App C Demo App C Demo App ...

Страница 76: ...using Java Demo App press Geiger in the Main Menu Place the tag in front of reader antenna Port 0 for distance estimation Click Search and wait until the tag for distance is found Select the tag and click Geiger tab In Geiger tab click Geiger and check the range of RSSI value Java Demo App Java Demo App Java Demo App Java Demo App Java Demo App 1 2 ...

Страница 77: ...e Systems Limited All Rights Reserved 77 Go to the Main Menu Press Setup in the Main Menu In General Options set the RSSI threshold value in the field RSSI filter The filter will ignore tags with RSSI value less than the threshold set Click Apply to confirm the setting Java Demo App Java Demo App ...

Страница 78: ...able Profile 0 is also not advised for CS468 3 Japanese reader Profile 0 1 2 3 4 5 R T Modulation DSB ASK DSB ASK PR ASK PR ASK DSB ASK DSB ASK Tari μs 25 00 12 5 25 00 25 00 6 25 25 00 R T speed kbps 40 80 40 40 160 40 PIE 2 1 2 1 1 5 1 1 5 1 1 5 1 1 5 1 Pulse Width uS 12 50 6 25 12 50 12 50 3 13 12 50 T R LF kbps 40 160 250 300 400 250 T R Modulation FM0 Miller 2 Miller 4 Miller 4 FM0 Miller 2 D...

Страница 79: ...d 79 User can set the Link Profile of CSL RFID Reader using both C and Java Demo App To set up power level of the CSL RFID Reader press Setup button in the Main Menu If user is using C Demo App click on Antenna Port Config If user is using Java Demo App click on the tab Antenna Ports C Demo App Java Demo App Java Demo App C Demo App ...

Страница 80: ...Change button to confirm If user is using Java Demo App user can tick the checkbox in Enable Local Profile and change the value in the field Profile for INDIVIDUAL ACTIVE PORT Press Apply button to confirm If user wants to set the Profile for ALL ACTIVE PORTS instead of INDIVIDUAL PORT in the reader the field Profile in the Setup menu is provided All the ports share the same setting User should ha...

Страница 81: ...eader Read Write configuration Target is the parameter of RFID protocol Inventory Query Command The options for Query Command in the field Target are A B and Unknown User can set the Target of CSL RFID Reader using both C and Java Demo App Inventory contains a designation of the tags with which flag is to be inventoried User can define it to be Flag A or Flag B There is also a parameter toggle if ...

Страница 82: ... it is inventoried it will become Flag B for certain period of time depending on the persistence selection Please check EPCGlobal specs in detail To set up Target of the CSL RFID Reader press Setup button in the Main Menu If user is using C Demo App click on Inventory Config If user is using Java Demo App click on the tab Custom Inventory Java Demo App Java Demo App C Demo App C Demo App ...

Страница 83: ...ing a reader and an associated Tag population A reader chooses one of four sessions and inventories Tags within that session The reader and associates Tag population operate in one and only one session for the duration of an inventory round For each session Tags maintain a corresponding inventoried flag Sessions allow Tags to keep track of their inventoried status separately for each of four possi...

Страница 84: ...tion to the reply state replies immediately Tags which pick a nonzero value transition to the arbitrate state await a QueryAdjust or a QueryRep command to decrement the value in its slot counter Tags reply when the value in their slot counter i e their slot is zero Since Q is an integer in the range 0 15 the corresponding Tag response probabilities range from 1 to 0 0000305 It is usually recommend...

Страница 85: ...128 slots on each round One word of caution if the time it takes to run the round is greater that the frequency hop time and the session is 0 or antenna dwell time The duration time of each antenna port in ms the round will never complete Dynamic Q Algorithm In this algorithm the value of Q is dynamically adjusted based on the periodic evaluation of the relative frequency of RN16 16 bit random or ...

Страница 86: ...comprised of one or more inventory rounds and is terminated when a round is executed with Q 0 and no tags read To set up power level of the CSL RFID Reader press Setup button in the Main Menu If user is using C Demo App click on Inventory Config If user is using Java Demo App click on the tab Custom Inventory C Demo App Java Demo App Java Demo App C Demo App ...

Страница 87: ...t Convergence Systems Limited All Rights Reserved 87 In the field Algorithm choose FIXEDQ for Fixed Q Algorithm DYNAMICQ for Dynamic Q Algorithm If FIXEDQ is chosen user can go to the tab FixedQ and set the value of Q in the field Q Value C Demo App C Demo App Java Demo App C Demo App ...

Страница 88: ...2 RFID READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 88 If DYNAMICQ is chosen user can go to the tab DynamicQ and set the value of Start Q in the field StartQValue C Demo App Java Demo App ...

Страница 89: ...g File C Demo App For RFID Tag with TID bank available user can use C Demo App to read TID data Go to Inventory in Demo App Tick the checkbox in the field Read TID Fill in the blanks for offset value and number of word read from TID bank Click Run and check the EPC to verify the tag with TID data available TID data can be checked in TID column Offset Number of Word read from TID bank ...

Страница 90: ...User bank available user can use C Demo App to read User data Go to Inventory in Demo App Tick the checkbox in the field Read User Fill in the blanks for offset value and number of word read from User bank Click Run and check the EPC to verify the tag with User data available User data can be checked in USER column Offset Number of Word read from TID bank ...

Страница 91: ...RSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 91 User can record the status of the CSL Reader in TXT format To record the status of the reader user can tick the checkbox Save Log in Inventory mode Click Run and check the EPC data of the tags ...

Страница 92: ...ight Convergence Systems Limited All Rights Reserved 92 Go to directory Libraries Documents CSLReader user can find the file which the reader status recorded in CycleLog Txt Open the file CycleLog Txt The reader status of number of tags per cycle and system reset record can be found ...

Страница 93: ...tag data in CSV or TXT format To record the status of the reader user can tick the checkbox Save Tag Log in Inventory mode Input the Storage in FileSize MB in StopAfterFiles in Log File Path Click Run to start Inventory A message box Old Tag Files will be deleted will be prompted The previous record will be clear before new tag data record start Click OK to continue ...

Страница 94: ...0 1 Copyright Convergence Systems Limited All Rights Reserved 94 The tag data record will be automatically saved User can press Stop to stop the inventory process Go to directory Libraries Documents CSLReader user can find the file which the tag data recorded in TagLog1 csv ...

Страница 95: ... EPC CLASS 1 GEN 2 RFID READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 95 The tag data can be checked in the CSV file EPC Reader ID Timestamp RSSI tag count and antenna port ...

Страница 96: ...ON 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 96 8 PC Software Upgrade 8 1 PC Demo Application Upgrade User can visit the CSL website http www convergence com hk Downloads Support CS468 to find the latest release software for upgrade of CSL Reader ...

Страница 97: ...EN 2 RFID READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 97 8 2 PC Demo Application Upgrade For User 1 In the section Demo App check the latest version of Demo Application and download it ...

Страница 98: ... EPC CLASS 1 GEN 2 RFID READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 98 2 Uninstall the original Demo App previous installed in PC 3 Unzip and install the latest Demo App ...

Страница 99: ... RFID READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 99 8 3 PC Demo Application Upgrade For Developer 1 In the section Software Development Kit check the latest version of SDK and download it ...

Страница 100: ...AL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 100 2 Unzip and check the Release Libraries 3 Copy the SDK Library folders inside the folder Release Libraries and replace the folders in Release Libraries in current Developer s project ...

Страница 101: ...C CLASS 1 GEN 2 RFID READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 101 4 Open the Developer s project in Microsoft Visual Studio Rebuild the project with latest SDK libraries ...

Страница 102: ...ing High Level API and Low Level API C Java C Single Reader Mulit Reader 9 2 Program Structure The Demo Application folder consists of the following directories CSL CALLBACK API CUST Source code of the Multi function Demo Application program e g inventory read and write etc CSL GPIO Source code to demonstrate the GPIO and IP setting function of the reader CSLibrary All necessarily dll library file...

Страница 103: ... to install Microsoft Visual Studio 2008 with Visual C component or above For more detailed information please go to Microsoft webpage http msdn microsoft com en us vstudio default aspx SDK Java Over C Single Reader on Windows OS with User Interface and Java Native Low Level API Multi Readers on Windows OS with User Interface To build demo application successfully you need to install NetBeans IDE ...

Страница 104: ...ly to PC via an Ethernet Switch Router and can be operated using CSL Demo App provided e g run Inventory in CSL Demo App DO NOT DIRECT CONNECT PC TO READER If the firmware upgrade fails during the process user must POWER OFF and POWER ON the reader again before redoing firmware upgrade CSL RFID Reader CS203 CS468 CS469 Ethernet Ethernet PC or Laptop Ethernet Ethernet Switch Router CSL RFID Reader ...

Страница 105: ...v1 5 xx user must install the RFID Bootloader to the reader before upgrading the RFID Application to the latest version v1 5 xx or after Firmware version for RFID Reader CS203 CS468 CS469 RFID App RFID Bootloader Network Processor App Network Processor Bootloader v1 3 xx No Bootloader All up to v2 18 46 All up to v2 9 4 v1 4 xx No Bootloader All up to v2 18 46 All up to v2 9 4 v1 5 xx v1 0 00 v1 0...

Страница 106: ...rsion Bootloader Application Are they up to date Upgrade Network Processor Bootloader Upgrade Network Processor Application Check RFID Processor Firmware Version Bootloader Application No Yes Current RFID Processor Application version v1 3 xx v 1 4 xx Upgrade RFID Processor Bootloader Current RFID Processor Application version Latest version Upgrade RFID Processor Application Firmware upgrade is c...

Страница 107: ...ssor Firmware Upgrade Procedure 1 Please download the latest Firmware Upgrade tool from CSL website http www convergence com hk download support firmware upgrade tool The latest version is RFID FwUpgrade2 0 27 zip 2 Download the latest bootloader and application firmware from Firmware Network Processor Bootloader and Firmware Network Processor Application ...

Страница 108: ...reader is connected to PC via USB or Ethernet RFID FwUpgrade_Usb exe is used for CSL reader is connected to PC via USB only Do not connect via Ethernet when using RFID FwUpgrade_Usb exe RFID FwUpgrade_Net exe is used for CSL reader is connected to PC via Ethernet only Do not connect via USB when using RFID FwUpgrade_Net exe Please run the exe file by double clicking the file within this directory ...

Страница 109: ...GEN 2 RFID READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 109 4 Click Search to check the target reader 5 Click to select target device in the list Click Network Processor Bootloader 2 1 ...

Страница 110: ...0 1 Copyright Convergence Systems Limited All Rights Reserved 110 6 Choose the latest Network Processor Bootloader file downloaded from website Click Open to confirm 7 The Network Processor Bootloader update process starts Press OK when firmware update process finished 2 1 ...

Страница 111: ...N 2 RFID READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 111 8 The background colour of the target reader in the list is changed from green to yellow Click to select the target reader again ...

Страница 112: ... this step and jump to next step If original Network Processor App version is old and is V2 18 3 or before after upgrading the bootloader the IP subnet and Gateway table will be messed up You need to correct that Press Assignment button and change the incorrect IP subnet and gateway back such that it will match your PC After that continue with the next step of installing the Network Processor App ...

Страница 113: ... USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 113 10 Press Network Processor Application 11 Choose the latest Network Processor application file downloaded from CSL website Click Open to confirm and start 2 1 ...

Страница 114: ...L VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 114 12 The Network Processor application update process starts Press OK when firmware update process finished 13 The Network Processor application firmware is updated to the latest version ...

Страница 115: ...w the chapter Network Processor Firmware Upgrade Procedure in this document to do firmware upgrade for Network Processor 10 4 1 Procedure for CSL reader with RFID Processor App version 1 3 xx or 1 4 xx 1 User must check the RFID Firmware version before doing RFID Firmware upgrade If the RFID Firmware Vers is 1 5 xx please refer to section 4 2 Procedure for CSL reader with RFID Firmware App 1 5 xx ...

Страница 116: ...DER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 116 3 Download the latest bootloader and application file for RFID Processor from Firmware RFID Processor Bootloader and Firmware RFID Processor Application ...

Страница 117: ...reader is connected to PC via USB or Ethernet RFID FwUpgrade_Usb exe is used for CSL reader is connected to PC via USB only Do not connect via Ethernet when using RFID FwUpgrade_Usb exe RFID FwUpgrade_Net exe is used for CSL reader is connected to PC via Ethernet only Do not connect via USB when using RFID FwUpgrade_Net exe Please run the exe file by double clicking the file within this directory ...

Страница 118: ...EN 2 RFID READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 118 5 Click Search to check the target reader 6 Choose target device in the list Click Connect to connect to the target reader 2 1 ...

Страница 119: ... READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 119 7 Check the current version of the firmware Click Open 8 Choose the RFID bootloader firmware file bootloader_V1001 a79 Click Open to confirm 1 2 ...

Страница 120: ...DER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 120 9 Press Start Update to start firmware update process 10 Wait until the firmware update process is finished DO NOT unplug the reader during the process ...

Страница 121: ...MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 121 11 At the end of the firmware update process click Close to exit the Firmware Upgrade window 12 Choose target device in the list Click Connect to connect to the target reader ...

Страница 122: ...nvergence Systems Limited All Rights Reserved 122 13 Check the current version of the firmware If Current firmware version 1 0 01 the bootloader is successfully installed in previous steps To continue click Open 14 Choose the latest RFID Processor application file Click Open to confirm 1 2 ...

Страница 123: ...ER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 123 15 Press Start Update to start firmware upgrade process 16 Wait until the firmware update process is finished DO NOT unplug the reader during the process ...

Страница 124: ...ERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 124 17 At the end of the firmware update process click Close to exit the Firmware Upgrade window 18 Quit RFID FwUpgrade 19 Open CSL C Native Demo App The updated firmware version can be checked ...

Страница 125: ...RFID Processor App version 1 5 xx or after 1 User must check the RFID Firmware version before doing RFID Firmware upgrade If the RFID Firmware Vers is 1 3 xx and 1 4 xx please refer to section 4 1 Procedure for CSL reader with RFID App version 1 3 xx and 1 4 xx 2 Please download the latest Firmware Upgrade tool from CSL website The latest version is RFID FwUpgrade2 0 27 zip ...

Страница 126: ...DER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 126 3 Download the latest bootloader and application file for RFID Processor from Firmware RFID Processor Bootloader and Firmware RFID Processor Application ...

Страница 127: ...reader is connected to PC via USB or Ethernet RFID FwUpgrade_Usb exe is used for CSL reader is connected to PC via USB only Do not connect via Ethernet when using RFID FwUpgrade_Usb exe RFID FwUpgrade_Net exe is used for CSL reader is connected to PC via Ethernet only Do not connect via USB when using RFID FwUpgrade_Net exe Please run the exe file by double clicking the file within this directory ...

Страница 128: ...EN 2 RFID READER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 128 5 Click Search to check the target reader 6 Choose target device in the list Click Connect to connect to the target reader 2 1 ...

Страница 129: ... Systems Limited All Rights Reserved 129 7 Check the current version of the firmware Click Open 8 If current bootloader firmware version is v1 0 01 go to Step 14 If current bootloader firmware version is v1 0 00 choose the RFID bootloader firmware file bootloader_V1001 a79 Click Open to confirm 1 2 ...

Страница 130: ...DER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 130 9 Press Start Update to start firmware update process 10 Wait until the firmware update process is finished DO NOT unplug the reader during the process ...

Страница 131: ...MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 131 11 At the end of the firmware update process click Close to exit the Firmware Upgrade window 12 Choose target device in the list Click Connect to connect to the target reader ...

Страница 132: ...nvergence Systems Limited All Rights Reserved 132 13 Check the current version of the firmware If Current firmware version 1 0 01 the bootloader is successfully installed in previous steps To continue click Open 14 Choose the latest RFID Processor application file Click Open to confirm 1 2 ...

Страница 133: ...ER USER S MANUAL VERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 133 15 Press Start Update to start firmware upgrade process 16 Wait until the firmware update process is finished DO NOT unplug the reader during the process ...

Страница 134: ...ERSION 2 0 1 Copyright Convergence Systems Limited All Rights Reserved 134 17 At the end of the firmware update process click Close to exit the Firmware Upgrade window 18 Quit RFID FwUpgrade 19 Open CSL C Native Demo App The updated firmware version can be checked ...

Страница 135: ...nterference by one of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help FCC Caution Any changes or modifications not expressly approved by the party respo...

Страница 136: ...inges on an RFID tag The RFID tag consists of an antenna coupled to an RFID IC This IC converts the AC voltage it receives at the antenna port to DC voltage that in turn is used to empower the digital circuit inside The digital circuit then turns on and off some components connected to the antenna port thereby changing its scattering behavior in a pre designed clock rate This changing of antenna p...

Страница 137: ... T R Data Rate kbps 40 80 62 5 75 400 125 Q Value Q value is a parameter that a reader uses to regulate the probability of Tag response A reader commands Tags in an inventory round to load a Q bit random pseudo random number into their slot counter the reader may also command Tags to decrement their slot counter Tags reply when the value in their slot counter i e their slot is zero Q is an integer...

Страница 138: ...um Uses Qstart Qmax and Qmin parameters to control the range of Q MaxReps to limit time spent at each Q value HighThres and LowThres to control how Q will adjust In algorithm 1 the value of Q is dynamically adjusted based on the periodic evaluation of the relative frequency of RN16 timeouts vs EPC timeouts Each round is comprised of a Query and up to MaxReps queryReps The value of Q for the subseq...

Страница 139: ...uts An inventory cycle consists of a single round initiated by a Query command Following the query command up to 2 Q 1 queryRep commands are issued If in the course of operation the number RN16 timeouts exceeds the adjusted number of EPC timeouts by a calculated threshold the value of Q is decremented presumed empty slots outnumber presumed collisions If the adjusted number of EPC timeouts exceeds...

Страница 140: ...an inventory round For each session Tags maintain a corresponding inventoried flag Sessions allow Tags to keep track of their inventoried status separately for each of four possible time interleaved inventory processes using an independent inventoried flag for each process Inventories flag Flag A flag that indicates whether a Tag may respond to a reader Tags maintain a separate inventoried flag fo...

Страница 141: ...919 25 919 75 920 25 920 75 921 25 921 75 922 25 922 75 923 25 923 75 924 25 924 75 925 25 925 75 926 25 926 75 927 25 China CN 920 925 10 920 625 920 875 921 125 921 375 921 625 921 875 922 125 922 375 922 625 922 875 923 125 923 375 923 625 923 875 924 125 924 375 ETSI G800 865 868 4 865 70 866 30 866 90 867 50 Hong Kong HK Singapore SG 920 925 8 920 75 921 25 921 75 922 25 922 75 923 25 923 75 ...

Страница 142: ... 924 75 925 25 925 75 926 25 926 75 927 25 927 75 USA FCC 902 928 50 902 75 903 25 903 75 904 25 904 75 905 25 905 75 906 25 906 75 907 25 907 75 908 25 908 75 909 25 909 75 910 25 910 75 911 25 911 75 912 25 912 75 913 25 913 75 914 25 914 75 915 25 915 75 916 25 916 75 917 25 917 75 918 25 918 75 919 25 919 75 920 25 920 75 921 25 921 75 922 25 922 75 923 25 923 75 924 25 924 75 925 25 925 75 92...

Страница 143: ... the DEMO APP program to search for the CS468 and figure out its IP address Once connected then the user can change the IP address on the CS468 Once that is done the CS468 can be deployed in the actual site 2 If you need to connect the CS468 to a router switch and use the Power over Ethernet PoE function of CS468 make sure that the router switch you use is PoE enabled 3 When you use the CS468 Demo...

Страница 144: ...of the label at the back of the reader and send the photo to CSL technical support team 2 Final firmware versions of reader 3 Final library version on PC side 4 Brief description of problems 5 Screen capture of problems or error messages on PC with time 6 Screen capture of command window doing netstat na command 7 Screen capture of command window doing ipconfig command 8 Screen capture of Windows ...

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