Matrox Matrox Rapixo CXP, Installation And Hardware Reference

Page 1: ...Matrox Rapixo CXP Installation and Hardware Reference Manual no Y11450 101 0100 January 11 2019 ...

Page 2: ...umentation or related technical support including without limitation damages or costs relating to the loss of profits business goodwill even if advised of the possibility of such damages In no event will Matrox and its suppliers liability exceed the amount paid by you for the product Because some jurisdictions do not allow the exclusion or limitation of liability for consequential or incidental da...

Page 3: ...ng the Matrox Rapixo CXP package 15 Standard items 15 Available separately 16 Handling components 16 Installation 17 Chapter 2 Hardware installation 19 Installing your Matrox Rapixo CXP board 20 Installing the cable adapter bracket 24 Connecting video sources to Matrox Rapixo CXP 25 Connecting to the CoaXPress video input connectors 27 Chapter 3 Using multiple Matrox Rapixo CXP boards 31 Installat...

Page 4: ... messages 39 Auxiliary signals 40 Auxiliary signals available on Matrox Rapixo CXP 40 Specifications of the auxiliary signals 41 Timers 42 Trigger 42 Quadrature decoder 42 User signals 43 On board memory 44 Data conversion 44 Lookup tables 45 Color space converter and image formatter 45 Bayer color decoder 46 Processing FPGA 47 Possible processing operations 47 Host interface 48 Appendix A Glossar...

Page 5: ... External auxiliary I O connectors 63 Internal auxiliary 12 V power connector 65 Status LEDs on Matrox Rapixo CXP 66 CoaXPress LEDs 66 Board status LEDs 67 Appendix C Listing of Matrox Rapixo CXP boards 69 Key feature changes 70 Index Regulatory Compliance FCC Compliance Statement Innovation Science and Economic Development Canada Compliance Statement EU Notice European Union Directive on Waste El...

Page 6: ......

Page 7: ...Chapter 1 Chapter 1 Introduction This chapter briefly describes the features of the Matrox Rapixo CXP board as well as the software that can be used with the board ...

Page 8: ... s Coa ress XP interface Coa ress XP interface Coa ress XP interface Coa ress XP interface Opto Aux I 2 n LVDS Aux In 2 LVDS Aux Out 1 TTL Aux I Os 3 mDP HD to 15 adapter cable mDP HD to 15 adapter cable Optional cable adapter bracket Auxiliary I O interface Auxiliary I O interface Auxiliary I O interface Auxiliary I O interface Opto Aux I 2 n LVDS Aux In 2 LVDS Aux Out 1 TTL Aux I Os 3 Opto Aux I...

Page 9: ... 2 n LVDS Aux In 2 LVDS Aux Out 1 TTL Aux I Os 3 Opto Aux I 2 n LVDS Aux In 2 LVDS Aux Out 1 TTL Aux I Os 3 Matrox Rapixo CXP Pro Color space converter pixel formatter Host Interface 8 s GB full duplex Bayer decoder 38 4 s GB On board memory DDR SDRAM 4 8 GB DMA Write Internal auxiliary 12 V power connector 12 V Power over Coa ress XP 24V MIL License Fingerprint and supplemental MIL license storag...

Page 10: ... sec for Quad CXP 6 and 50 Gbits sec for Quad CXP 12 and Pro Quad CXP 12 Processing capabilities Matrox Rapixo CXP Pro features an on board real time processing FPGA device Processing FPGA which can be configured to offload and even accelerate the most compute intensive part of typical image processing applications without generating additional data traffic within the host computer Host Processing...

Page 11: ...bsample data sent to the Host Bayer decoder This can convert Bayer encoded data to RGB using an average demosaicing algorithm The following Bayer patterns are supported GRBG GBRG BGGR and RGGB Auxiliary multi purpose signals 32 with the cable adapter bracket installed These are non video signals that can support one or more functionalities for example trigger input rotary linear encoder input or t...

Page 12: ...idth of the PCIe slot in your computer with your Matrox Rapixo CXP board Matrox provides the Matrox Rapixo CXP Bench utility This utility is accessible using the MILConfig utility which is shipped with software that supports Matrox Rapixo CXP for example MIL Documentation conventions This manual refers to all Matrox Rapixo CXP boards as Matrox Rapixo CXP When necessary this manual distinguishes be...

Page 13: ...erial inspection 3D reconstruction classification and color analysis MIL applications are easily ported to new Matrox hardware platforms and can be designed to take advantage of multi processing and multi threading environments MIL Lite MIL Lite is a subset of MIL It includes all the MIL functions for image acquisition transfer display control and archiving It also allows you to perform processing...

Page 14: ...antee compatibility with all computers that have the above specifications Please consult with your local Matrox Imaging representative local Matrox Imaging sales office the Matrox web site or the Matrox Imaging Customer Support Group at headquarters before using a specific computer Consult your software package for other computer requirements for example operating system and memory requirements No...

Page 15: ...e when you first open it If something is missing or damaged contact your Matrox representative Standard items You should receive the following items The Matrox Rapixo CXP board One mDP to HD15 adapter cable The cable has a mDP connector at one end and a HD 15 connector at the other end Matrox Rapixo CXP Quad CXP 6 and Matrox Rapixo CXP Quad CXP 12 ...

Page 16: ...turer Belden Inc or other third parties Handling components The electronic circuits in your computer and the circuits on your Matrox Rapixo CXP are sensitive to static electricity and surges Improper handling can seriously damage the circuits Be sure to drain static electricity from your body by touching a metal fixture or ground before you touch any electronic component In addition do not let you...

Page 17: ...al information This manual occasionally makes reference to a MIL Lite function However anything that can be accomplished with MIL Lite can also be accomplished with MIL Need help If you experience problems during installation or while using this product refer to the support page on the Matrox Imaging web site www matrox com imaging support This page provides answers to frequently asked questions a...

Page 18: ...18 Chapter 1 Introduction ...

Page 19: ...Chapter 2 Chapter 2 Hardware installation This chapter explains how to install your Matrox Rapixo CXP board in your computer ...

Page 20: ...Proceed with the following steps to install your board 1 Remove the cover from your computer refer to your computer s documentation for instructions 2 Check that you have an empty x8 or x16 PCIe 2 x slot for Quad CXP 6 or a 3 x slot for Quad CXP 12 and Pro Quad CXP 12 in which to install your board Note that you can also install Matrox Rapixo CXP in a x4 PCIe slot that has a mechanical x8 connecto...

Page 21: ...to be adjacent to the Matrox Rapixo CXP board In addition the cable adapter bracket does not plug into a slot s connector it attaches only to the back of the computer s chassis Note that the external auxiliary I O connectors on the cable adapter bracket are panel mount connectors If you don t want to occupy an entire slot for the bracket you can punch out two holes in the computer chassis and then...

Page 22: ...u should avoid touching the latch of this retainer with the board Alternatively you can remove the latch from the retainer 5 Once the input connectors are in the opening of the chassis press the board firmly but carefully straight down into the connector of the slot 6 Anchor the board using the screw that you removed in step 3 7 Optionally connect your computer s power supply cable that has a 6 pi...

Page 23: ...menu of the Advanced Configurations menu In addition if the operating system has an ASPM for PCIe devices option disable this option as well For example under Microsoft Windows 10 open the Power Options dialog box from the Windows Control Panel For the currently selected power plan click on Change Plan Settings and then click on Change Advanced Power Settings In the presented dialog expand PCI Exp...

Page 24: ...le so that the black wire is on the same side as the bracket of the Matrox Rapixo CXP board 3 Slide the bracket of the cable adapter bracket into the opening at the back of the selected slot 4 Anchor the bracket to the chassis using the screw that you removed in the previous section Note that the external auxiliary I O connectors on the cable adapter bracket are panel mount connectors If you don t...

Page 25: ...e also used to transmit CoaXPress trigger signals as well as transmit and receive control and acknowledgment messages mDPconnectors Used to connectthemDP to HD15adapter cable TheHD 15 connector on the adapter cable is called an external auxiliary I O connector This connector is used to transmit and receive auxiliary signals CoaXPress video input connectors Auxiliary I O connector 0 Internal auxili...

Page 26: ... External auxiliary I O connectors 2 and 3 panel mount HD 15 Each used to transmit and receive auxiliary signals CoaXPress video input connectors Auxiliary I O connector 0 CXP 2 CXP 3 CXP 1 CXP 0 Auxiliary I O connector 1 Attached cables External auxiliary I O connector 2 External auxiliary I O connector 3 Internal auxiliary I O connector ...

Page 27: ... camera and the others as extension connections Keep track of the video input connector to which you attach the master connection because you will need this information when using MIL Lite MdigAlloc with M_DEVn to identify the video source Matrox Rapixo CXP communicates with the video sources to identify which video source is connected to which input connectors Note that if you are using more than...

Page 28: ...ion for connector indicator lamps The typical sequence of LED states is as follows Matrox R CXP apixo has detected a PoCXP compliant connection Power is provided Matrox R CXP is waiting for apixo a grab trigger Note that this state only occurs in triggered grab mode Data is being transferred Matrox R CXP apixo driver has started but nothing is connected Orange fast flash Green Solid Alternating gr...

Page 29: ...s LEDs section in Appendix B Technical information for the complete list of possible LED states The following identifies the different timing used to define the LED flash or pulse states that can occur LED indication Hz Timing 20 Fast flash 12 5 20 msecs on 60 msecs off Slow flash 0 5 1 sec on 1 sec off Slow pulse 1 200 msecs on 800 msecs off ...

Page 30: ...30 Chapter 2 Hardware installation ...

Page 31: ...Chapter 3 Chapter 3 Using multiple Matrox Rapixo CXP boards This chapter explains how to use multiple Matrox Rapixo CXP boards ...

Page 32: ...atrox RapixoCXPboard youcanalsosimultaneouslycaptureimagesfromvideosources attached to multiple Matrox Rapixo CXP boards Note that the number of video sources from which you can simultaneously capture images is limited by the PCIe chipset on your computer The use of a high performance PCIe chipset is necessary to sustain PCIe transfers to Host memory Ideally a PCIe 3 x chipset should be used A PCI...

Page 33: ...Chapter 4 Chapter 4 Matrox Rapixo CXP hardware reference This chapter explains the architecture features and modes of the Matrox Rapixo CXP hardware ...

Page 34: ...r such path on the same frame grabber On Matrox Rapixo CXP each CoaXPress connection in a CoaXPress link uses a different acquisition path Digitizer MIL Lite uses the concept of a MIL digitizer to represent the acquisition path s with which to grab from one input source one CoaXPress link on Matrox Rapixo CXP of the specified type When several MIL digitizers are allocated their device number along...

Page 35: ...liary I O interface Auxiliary I O interface Auxiliary I O interface Opto Aux I 2 n LVDS Aux In 2 LVDS Aux Out 1 TTL Aux I Os 3 Opto Aux I 2 n LVDS Aux In 2 LVDS Aux Out 1 TTL Aux I Os 3 Opto Aux I 2 n LVDS Aux In 2 LVDS Aux Out 1 TTL Aux I Os 3 Matrox Rapixo CXP Base Model Color space converter pixel formatter Host Interface 8 4 s GB full duplex Bayer decoder 19 2 14 9 s GB Memory Controller s 8 4...

Page 36: ...3 Opto Aux I 2 n LVDS Aux In 2 LVDS Aux Out 1 TTL Aux I Os 3 Opto Aux I 2 n LVDS Aux In 2 LVDS Aux Out 1 TTL Aux I Os 3 Matrox Rapixo CXP Pro Color space converter pixel formatter Host Interface 8 s GB full duplex Bayer decoder 38 4 s GB On board memory DDR SDRAM 4 8 GB DMA Write Internal auxiliary 12 V power connector 12 V Power over Coa ress XP 24V MIL License Fingerprint and supplemental MIL li...

Page 37: ...ress trigger output signal and the CoaXPress trigger input signal can be rerouted to auxiliary output signals Matrox Rapixo CXP supports monochrome RGB color and Bayer color encoded acquisition The board can perform color conversion flipping and image subsampling Performance The maximum data transmission rate that you can achieve depends on the length of your coaxial cable the quality of the cable...

Page 38: ...o the computer s power supply cable that has a 6 pin compatible mating 12 V connector the board can provide up to 13 W per connection at a nominal voltage of 24 V to the devices connected to the CoaXPress input connectors Matrox Rapixo CXP detects whether the video source is PoCXP compliant When connecting to non PoCXP compliant video sources Matrox Rapixo CXP has appropriate circuitry to ensure t...

Page 39: ...ls Control messages constitute the basic communication mechanism between the video source s and the board For each video source connected to the board Matrox Rapixo CXP supports a CoaXPress trigger output signal A CoaXPress trigger output signal can be sent from the board to a video source to initiate image acquisition or to optionally control the exposure time For data coming from the camera down...

Page 40: ... _TTL_IO_14 AUX TRIG _TTL_IO_20 AUX TRIG _TTL_IO_21 AUX TRIG _TTL_IO_22 AUX TRIG _TTL_IO_28 AUX TRIG _TTL_IO_29 AUX TRIG _TTL_IO_30 AUX TRIG _OPTO_IN0 AUX TRIG _OPTO_IN1 AUX TRIG _OPTO_IN8 AUX TRIG _OPTO_IN9 AUX TRIG _OPTO_IN16 AUX TRIG _OPTO_IN17 AUX TRIG _OPTO_IN24 AUX TRIG _OPTO_IN25 AUX TRIG _LVDS_IN2 AUX TRIG _LVDS_IN3 AUX TRIG _LVDS_IN10 AUX TRIG _LVDS_IN11 AUX TRIG _LVDS_IN18 AUX TRIG _LVDS...

Page 41: ...surges and different ground levels and allows the frame grabber to be totally isolated The voltage difference across the positive and negative components of the signal must be between 4 71 V and 9 165 V for logic high and between 0 V recommended and 0 8 V for logic low You can set the direction of an auxiliary I O signal using the MIL Lite function MdigControl with M_AUX_SIGNAL_MODE You can set up...

Page 42: ...se MdigControl with M_TIMER_ Trigger You can use as a trigger any of the auxiliary input signals or auxiliary I O signals in input mode or the CoaXPress trigger input signal A trigger signal can be used to initiate image acquisition or prompt an on board event To enable grabbing upon atrigger use the MIL Lite function MdigControl with M_GRAB_TRIGGER_STATE To set the signal used to trigger the grab...

Page 43: ...The LVDS receivers on Matrox Rapixo CXP can support under most circumstances RS 422 signaling refer to the electrical specification of the LVDS auxiliary input signals in Appendix B Technical information for requirements Note that an external source must be used to power the rotary or linear encoder You can configure the rotary decoder s settings using the MIL Lite function MdigControl with M_ROTA...

Page 44: ...oller and is used to store acquired images and images for or resulting from processing Pro Quad CXP 12 The memory controller transfers data to and from memory at up to 14 9 Gbytes sec for the Quad CXP 6 19 2 Gbytes sec for the Quad CXP 12 and up to 38 4 Gbytes sec for the Pro Quad CXP 12 Matrox Rapixo CXP has a default of 128 Mbytes of on board memory mapped onto the PCIe bus You can use a Host po...

Page 45: ...ses through the color space converter and image formatter The color space converter and image formatter can convert data in the following ways Subsampling Image data can be subsampled The color space converter and image formatter can subsample in the horizontal and vertical directions by integer factors of 1 to 16 The color space converter and image formatter uses nearest neighbor interpolation Yo...

Page 46: ...t while performing BGR48 to YUV color space conversion the operations are carried out on 16 bit data then each resulting YUVcomponent is bit shifted right by 8 bits depth 8 where the value of depth is 16 Bayer color decoder As data exits the color space converter and image formatter it can pass through the Bayer color decoder The Bayer color decoder converts Bayer color encoded images GB BG GR and...

Page 47: ...essing Images and other data resulting from processing can be stored in on board memory or streamed to the Host The maximum peak bandwidth for images streamed directly to from Host memory is 8 Gbyte sec as well as for images streamed to from on board memory Possible processing operations To use the Processing FPGA you must configure it with an FPGA configuration that defines the appropriate functi...

Page 48: ...PCIe bus The DMA write engine of the Host interface is capable of performing the transfers without the help of the Host CPU Quad CXP 6 uses PCIe 2 1 and both Quad CXP 12 and Pro Quad CXP 12 use PCIe 3 1 technology to communicate with the Host Under optimum conditions Matrox Rapixo CXP can send data to the Host at a peak transfer rate of up to 8 Gbytes sec Optimum conditions include using the board...

Page 49: ...Appendix A Appendix A Glossary This appendix defines some of the specialized terms used in the Matrox Rapixo CXP documentation ...

Page 50: ...t output signals Non video digital signals that can support one or more functionalities depending on the auxiliary signal for example trigger input or timer output These signals are also known as general purpose I O signals or GPIO signals Bandwidth A term describing the capacity to transfer data Greater bandwidth is needed to sustain a higher transfer rate Greater bandwidth can be achieved for ex...

Page 51: ...of memory occupying a single unbroken series of addresses CXP See CoaXPress DCF Digitizer configuration format A file format that defines the input data format and for example how to accept or generate video timing signals such as horizontal sync vertical sync and pixel clock DCF files have a dcf extension DDR4 SDRAM Double data rate type 4 synchronous dynamic random access memory A type of genera...

Page 52: ...video source Latency The time from when a command is sent to when its operation is started Linear encoder A device that provides information about the linear position and direction of a moving sensor along a scale either as an analog or digital code LVDS Low voltage differential signaling LVDS offers a general purpose high bandwidth interface standard for serial and parallel data interfaces that r...

Page 53: ...put received from a linear or rotary encoder with quadrature output Real time processing The processing of an image at the same speed or faster than the speed at which images are grabbed Real time processing ensures that no frames are missed Also known as live processing Rotary encoder A device used to convert the angular position of a shaft or axle to an analog or digital code Timer output The si...

Page 54: ...54 Appendix A Glossary ...

Page 55: ...Appendix B Appendix B Technical information This appendix contains information that might be useful when installing your Matrox Rapixo CXP board ...

Page 56: ...ssor with an Intel 64 bit architecture or equivalent A relatively up to date PCIe chipset A chipset that supports the PCIe 2 x 3 x standard is preferable The list of platforms that are known to be compatible with Matrox Rapixo CXP is available on the Matrox website under the board s PC compatibility list A proper power supply Refer to the Electrical specifications section Matrox does not guarantee...

Page 57: ... 16 bit YUV YUYV or 16 bit YCbCr format Provides power over CoaXPress PoCXP with up to 13 W per connection at a nominal voltage of 24 V to any PoCXP compliant device For PoCXP the internal auxiliary12Vpowerconnector mustbeconnectedto the computer s power supply cable that has a 6 pin compatible mating 12 V connector The board is equipped with an overcurrent protection mechanism and a resettable fu...

Page 58: ...ber of signals 3 TTL auxiliary I O signals trigger input or user input signals or timer output re routing of the CoaXPress trigger input or user output signals 1 LVDS auxiliary output signal timer output re routing of the CoaXPress trigger input or user output signals 2 LVDS auxiliary input signals trigger input rotary linear encoder input or user input signals 2 opto isolated auxiliary input sign...

Page 59: ...ngths of up to 60m running at 6 25 Gbits sec and 40m running at 12 5 Gbits sec depending on the number of cameras connected See Appendix 4 Performance for more information Has a CoaXPress LED for each CoaXPress input connector to identify the status and activity of each connected device Has 4 board status LEDs board power good board configuration PCIe speed lanes and fallback board configuration H...

Page 60: ...n the or pin 4 V min to 5 V max Maximum differential input 3 V Output signals in LVDS format Expecting a load of 100 Ohms Differential output voltage with load of 100 Ohm 250 mV min to 450 mV max Offset voltage common mode 1 125 V min to 1 375 V max Input signals in TTL format No series termination Pulled up to 3 3 V with 4 7 KOhm Clamped to 0 7 V to 5 7 V Input voltage low of 0 8 V max high of 2 ...

Page 61: ...edge of board These values respect the dimensions of a PCIe half length board Ventilation 200 LFM over board s through the heat sink Minimum maximum ambient operating temperature 0 C to 55 C 32 F to 131 F Minimum maximum storage temperature 40 C to 75 C 40 F to 167 F Operating relative humidity up to 95 relative humidity non condensing Storage humidity up to 95 relative humidity non condensing In ...

Page 62: ...e top mDP connector the HD 15 connector at the end of this cable is called external auxiliary I O connector 0 otherwise it is called external auxiliary I O connector 1 Note that only one mDP to HD15 adapter cable is included with the board you can optionally purchase a second adapter cable The optional cable adapter bracket provides 2 additional external auxiliary I O connectors HD 15 auxiliary I ...

Page 63: ...sources can be connected to the CoaXPress video input connectors in any order Matrox Rapixo CXP communicates with the video source s to identify which video source is connected to which connector s External auxiliary I O connectors The external auxiliary I O connectors on the mDP to HD15 adapter cable and the cable adapter bracket are high density D subminiature 15 pin HD 15 male connectors The ex...

Page 64: ...user input or user output M_USER_BIT4 2 AUX TRIG _TTL_IO_5 M_AUX_IO5 TTL auxiliary signal 5 input output which supports timer output M_TIMER1 M_TIMER2 M_TIMER3 M_TIMER4 trigger input user input or user output M_USER_BIT5 3 AUX TRIG _TTL_IO_6 M_AUX_IO6 TTL auxiliary signal 6 input output which supports timer output M_TIMER1 M_TIMER2 M_TIMER3 M_TIMER4 trigger input user input or user output M_USER_B...

Page 65: ...connector If this connectorisattached tothecomputer spowersupply cable that has a 6 pin compatible mating 12 V connector Matrox Rapixo CXP can provide power over CoaXPress PoCXP to the devices connected to the CoaXPress input connectors at up to 13 W per connection at a nominal voltage of 24 V The pinout for the auxiliary 12 V power connector is as follows Mating information Manufacturer NorComp I...

Page 66: ...t connection PoCXP is disabled Alternating red green slow flash The device is incompatible PoCXP is enabled Alternating red orange slow flash The device is incompatible PoCXP is disabled Red solid Overcurrent was detected in the PoCXP circuitry possibly because of a failure in the connected device or damage to the cable Matrox Rapixo CXP stopped sending power to the device to avoid damaging the de...

Page 67: ...LED state occurs there is an issue with the voltage regulators on your Matrox Rapixo CXP Contact Matrox technical support Green All of the on board voltage regulators are working properly 2 Board configuration Red The board is not configured Green The board is configured 3 PCIe speed lanes Off The type of slot cannot be established The PCIe link is down Blinking red Slot is PCIe 1 x less than x8 B...

Page 68: ...68 Appendix B Technical information ...

Page 69: ...Appendix C Appendix C Listing of Matrox Rapixo CXP boards This appendix lists the key feature changes to the Matrox Rapixo CXP boards ...

Page 70: ...o CXP Quad CXP 6 PCIe 2 1 x8 frame grabber with 4 Gbyte DDR4 SDRAM RAP4G4C12 000 First shipping version of Matrox Rapixo CXP Quad CXP 12 PCIe 3 1 x8 frame grabber with 4 Gbyte DDR4 SDRAM RAP8G4C12P352 000 First shipping version of Matrox Rapixo CXP Pro Quad CXP 12 PCIe 3 1 x8 frame grabber with 8 Gbyte DDR4 SDRAM and Xilinx Kintex Ultrascale KU035 FPGA ...

Page 71: ...fined 51 digitizer configuration format 34 digitizer MIL 34 documentation conventions 12 dynamic range defined 52 E electrical specifications 60 external auxiliary I O connector 63 64 F flip 46 frame defined 52 G global information 56 57 H hardware Matrox Rapixo CXP 34 HD BNC connector 50 Host interface 48 I independent acquisition path 34 installation hardware 20 overview 17 K Key feature changes...

Page 72: ...g FPGA 10 47 Q Quadrature input Gray code 42 R requirements computer 14 RGB 10 37 rotary decoders 42 S SDRAM 12 44 57 defined 51 software supported 12 specifications electrical 60 technical 56 57 T technical specifications 56 57 timer output 42 defined 53 triggers 42 U user signals 43 V video sources supported monochrome 37 RGB 10 37 ...

Page 73: ...nt generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of these devices in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his her own expense Innovation Science and Economic Deve...

Page 74: ...ique de la Classe A On suppose qu ils présenteront la même compatibilité dans tout système compatible de la Classe A Directive on Waste Electrical and Electronic Equipment WEEE Europe English European user s information Directive on Waste Electrical and Electronic Equipment WEEE Please refer to the Matrox Web site www matrox com environment weee for recycling information Français Informations aux ...

Page 75: ...Limited warranty Refer to the warranty statement that came with your product ...

Page 76: ......