ARC-SD-XMUX4 User manual
Contents
1. Figure 1 ARC SD XMUX4 R block diagram 1 1 Product versions ARC SD XMUX4 SD SDI aspect ratio converter 4AES I O 4 SDI outputs and frame synchronizer functionality ARC SD XMUX4 R As above but with a high sensitivity 9 125um single mode optical input ARC SD XMUX4 R L As above but with an APD 9 125um single mode optical input nevion com 4 ARC SD XMUX4 2 Specifications Optical SD SDI input Data rate Sensitivity Detector overload threshold Detector damage threshold Optical wavelength Transmission circuit fiber Return loss Connector Electrical SD SDI input Connectors Equalization Input Return loss Jitter tolerance Electrical Sync input Connector Format Input Return loss Termination Electrical SD SDI outputs Number of outputs Polarity Connectors Output Return loss Output signal level Output signal rise fall time 20 80 Amplitude overshoot Output timing jitter Output alignment jitter AES output Number of inputs outputs Connectors Return loss Output jitter Impedance Input audio data rate Embedded audio word length Embedded audio Channels status Supported standards SD 270 Mbps Analog video Centre of picture definition Aspect ratio preservation Rev B 270 Mbps Better than 20dBm PIN 30dBm APD 3dBm gt 1dBm 1200 1620nm 9 125um Single Mode gt 40dB w SM fiber SC UPC 75 Ohm BNC Automatic gt 300m 270Mbps2. gt 2 frms frames delay DIP 1 2 Off On gt 3 frms Without a sync input present this sets the no of frames delay relative to the input nevion com 20 ARC SD XMUX4 Rev B ADLY Audio follows On De embedded audio If on de embedded audio video delay follows video DIP 17 18 is delay will follow video delay used Off De embedded audio will not use Frame delay from dip 17 18 OPT EL OPT EL Optical Electrical input SDO1PR SDI OUT 1 Off through mode In through mode the video OC On processed mode only goes through a re clocker SDO2PR SDI OUT 2 Off through mode In through mode the video OC On processed mode only goes through a re clocker F RESET F RESET Off Use values preset by This DIP is only read at MULTICON GYDA power up After repowering On RESET to factory defaults with the DIP off the board must be kept in the frame for minimum 10s to fully reset Values preset by MULTICON GYDA are only values not set by DIPs push buttons or rotary switches OVR OVR Off MULTICON GYDA mode This DIP is only read at On Manual mode power up OVR is short term for MULTICON GYDA override Table 1 DIP SWITCH FUNCTIONS nevion com 21 ARC SD XMUX4 Rev B 4 2 FACTORY reset function A factory reset is a 3 step process 1 Set DIP 15 to on and boot the card DIP 16 must also be set or the other DIPs won t be read at all Remove power and set
3. lt rule value gt can take on the following values and tells the card which incoming aspect ratio information to use 0x01 AFD gt Fill gt Default 0x02 AFD gt Default 0x04 Fill gt Default 0x08 Default No other values will be accepted by the card no combinations are available nevion com 30 ARC SD XMUX4 Rev B Block Blk Commands Example Response Control Insert The lt insert value gt can be any binary combination of the following values 0x02 WSS Extended 0x04 WSS 0x08 SMPTE352 0x10 Video Index 0x20 AFD Note that the value 0x01 is not currently supported and that the card therefore will only accept even numbers as lt insert values gt supr en dis auto font lt font gt lb lt label_page gt lt ASCII00 gt lt ASCIIO1 gt lt ASCII15 gt supr 0 auto supr 0 font 0x4e4 supr 0 size 10 supr 0 Ib 0 65 66 67 0 supr 0 font 0x4e4 Ib 0 65 66 670 Video label The video label is a text string that is superimposed on the video This feature can be enabled en at all times disabled dis at all times or enabled only when the internal video generator is active auto Maximum string length is 32 characters over maximum 2 lines The linefeed character ASCII 10 is counted as one character leaving 31 Strings can be terminated at any time using ASCII 0 There s an implicit ASCII 0 on the 33 character place The example s
4. o000 0000 0000000 o o o o o o o o o o o o me o ae g0 E e ERER o o o Figure 5 ARC SD XMUX4 R backplane The backplane for the ARC SD XMUX4 is called FRS HD XMUX4 C1 shows the connectors and their functions Rev B The table below Function Label Connector type SD SDI input IN BNC SD SDI output 1 1 BNC SD SDI output 1 inverted _ BNC 1 SD SDI output 2 2 BNC SD SDI output 2 inverted B BNC 2 Black amp Burst tri level input SYNC BNC AES I O 1 AES WECO Audio connector O Positive T O GND JO Negative AES 1 0 2 AES WECO Audio connector O Positive T O GND O Negative AES 1 0 3 AES WECO Audio connector O Positive O GND O Negative AES 1 0 4 AES WECO Audio connector O Positive T O GND O Negative GPI in GPI DATA TP45 pin 2 3 6 amp 7 GPI out GPI DATA TP45 pin 1 pin 8 GND DATA out GPI DATA TP45 pin 4 amp 5 Optical input OPT1 BSC II for SC input nevion com 23 ARC SD XMUX4 6 Operation 6 1 Front panel LED indicators Rev B Diode state Red LED Orange LED Green LED No light Card status PTC fuse has been FPGA Module is OK Module has no triggered or FPGA loading If power loading has failed constantly lit for more than a few seconds DIPs 14 15 both set to the On position or module not programmed SDI input Video signa
5. The audio cross point matrix is a 14x13 cross point with inputs and outputs as shown in Figure 4 The 8 de embedded channels a 1 kHz sine and black sound are selectable inputs Black sound is explained in chapter 3 1 The outputs of the cross points are 8 stereo channels for re embedding and one 4 AES output The 13 output channels from the cross point matrix have configurable fallbacks used when their corresponding matrix inputs are missing A common fallback setting is used for all eight re embedder channels whereas the 4 AES outputs have their own independent fallback settings The priorities can be selected between matrix being the selected channel in the cross point matrix or the internally generated sine or black sound nevion com 17 ARC SD XMUX4 Rev B 3 16 AES I O The direction of the four AES ports can be selected by the user This means that the user has any combinations of inputs and outputs available 4 inputs and O outputs 3 inputs and 1 output 2 inputs and 2 outputs 1 input and 3 outputs or no inputs and 4 outputs 3 16 1 Audio inputs When an AES I O port is set to be input the sample frequency of the input is monitored to see if the signal is synchronous with the system clock If not the audio input is passed through a sample rate converter After the input block the audio can be delay with individual delay for each AES port before it is routed to the audio matrix The audio delay for AES inputs are se
6. 0 lvl 180 agen 0 lvl 200 sine 1kHz lvl lt sine_level gt cBFS Audio generator The amplitude of the generated sine that can be chosen as fallback in audio change overs Legal values are 180cBFS or 200cBFS centiBel referred to full scale output Units are optional but if included must be written as cBFS case sensitive apre 0 11 Ir rl IN rr nir Inr mm ms lvl lt gain gt aprc 0 Ir aprc 3 ll aprc 6 mm apre 7 lvl 400 Ir rl Il rr nlr Inr mm ms Audio processing one block for each output from cho 2 13 The meaning of the commands are as follows Ir Normal rl Channel swapped Il Left channel to both output channels rr Right channel to both output channels nlr Left channel phase inverted Inr Right channel phase inverted mm Mono both channels r l 2 ms Mono stereo m I r 2 s I r 2 Ivl means level and is the gain setting ceq ceq 0 cd ncd Cable equalizer for electrical input No control only used to report carrier detected or no carrier detected cho pri lt k gt pri lt k gt lt l gt pri lt k gt lt l gt lt m gt pos man lt k gt pos auto latch reset ti lt hold_time gt t2 lt lock_time gt cho 0 pri 0 cho pri 0 1 cho pri 10 2 cho 0 pos man 1 cho 0 pos auto cho 0 latch reset cho 0 t1 1000 cho 0 t2 1000 size 3 pri k m auto t1 lt hold time gt
7. and zoomed to fit No curtains e 14 9 The image will be zoomed and cropped Narrow curtains pillar or letter box If the input environment is the same as the output environment no conversion will be performed Mode 2 AFD or default This mode will only use the AFD information if present The default scaling will be used if there is no AFD packet no video index and no WSS or if the active format descriptor is set to Unknown Mode 3 Fill mode or default This mode will only use the input aspect information from the AFD information if present The S352M packet will be used if it is present and neither AFD packets VI nor WSS are present The default setting will be used if there is no AFD packet no video index no WSS and no S352M packet nevion com 10 ARC SD XMUX4 Rev B AFD conversions The figure below shows the different transitions that are defined The incoming format is given by the VI AFD and the user has supplied wanted output environment To avoid clutter transitions from a state to itself are not shown in the figure The corresponding AFD format is shown for reference ne SS 74 43afd0100 169afd0100 OHH 43afd1000 7 2 43afd0010 43afd1010 169afd1000 ae 169afd1010 169afd0011 bo 43afd0011 43afd1011 169afd1011 14 te m 4 19 3 4 43afd1101 3 gt 1 169afd1101 12 38 48 11 43afd1110 169afd1110 GD 4 3 43afd1111 169a
8. de glitcher corrects timing errors within a line of video due to source switching This allows perfect synchronous switching Non synchronous switching can result in a frame that is split between the old and the new video but the output will always be continuous 3 5 Aspect Ratio Converter block The aspect ratio converter block is a 13 tap high quality linear resampling scaling engine It may be used to stretch or shrink a picture vertically and horizontally The picture may also be offset with respect to the centre of the picture The block can detect a change in aspect ratio information embedded in the input signal and change the scaling during the vertical blanking period allowing on air automatic switching of aspect ratio conversion Externally triggered changes of aspect ratio are also deferred until the next vertical interval to allow the use of the module in a transmission signal path The module is intended to be used primarily to convert SD video between standard aspect 4 3 and widescreen 16 9 The primary difficulty with the conversion is the sheer number of possible conversions This can be greatly reduced by setting the output aspect ratio to be 4 3 or 16 9 We call this the output environment The actual scaling will then depend on the input signal The output environment setting actually describes the aspect ratio of the pixels The fill factor is the term for the amount that the picture fills the output frame the presence o
9. input is equalized re clocked and de serialized and transferred to a processing unit FPGA In the FPGA the signal is sent through a de glitcher that cleans up erroneous video lines for instance due to switching After the de glitcher the video is sent to the Audio de embedders where audio is split from the video 3 1 1 Audio data path The stereo audio channels from the de embedder are sent to an audio store buffer The audio is fetched from the audio store buffer after the user specified delay It is then sent to the Audio matrix Two other sources are available in the audio matrix A 1 kHz stereo sine tone and a generated black sound which is a legal audio stream with muted audio Depending of how many of the configurable AES I Os have been designated as inputs there may also be up to four AES inputs available in the matrix Outputs with missing inputs are routed to a fallback signal The fallback signal may be silence or the tone generator Each output from the matrix is sent to an Audio Processing Block where channels can be processed or rearranged within the channel pair Finally eight stereo pairs are routed to the Audio Embedder Depending on how many of the four AES I Os have been designated as outputs up to four stereo pairs are also routed the AES outputs 3 1 2 Video data path The video is routed to an aspect ratio converter block and the resulting SD video is passed to a Frame synchronizer block An internal video g
10. lt afd code gt scale 0 out afd 8 lt Hpos gt lt Vpos gt only change output environment and scale 0 out afd 11 env 16 9 4 3 output afd code afd lt AFD code gt scale 12 outzoom lt Hzoom gt scale 12 out zoom 1 33 out zoom lt Hscale gt User scale blocks 15 lt Vzoom gt 1 33 lt Vscale gt pos Four user scale settings out pos lt Hpos gt scale 12 out pos 0 002 lt Hpos gt lt Vpos gt Zoom lt Vpos gt 0 002 env 16 9 4 3 Zoom range is from 0 5 to 1 5 afd lt AFD code gt Position out env 16 9 4 3 scale 12 out env 16 9 Position when zoom is lt 0 defines scale 12 out env 4 3 where in the output frame the box is out afd lt AFD code gt placed The box will never move scale 12 out afd 8 outside of the frame scale 12 out afd 11 When zoom is gt 0 the position defines which part of the input picture to use A value of 0 is center Positive values moves picture to the right or up Negative values moves picture to the left or down scale 16 out env 16 9 4 3 scale 16 out env 16 9 scale 16 out env Master scale control block This block sets the conversion mode of the card and what aspect ratio information will be inserted in the output video Output environment out env can be 16 9 or 4 3 This controls the pixel aspect ratio of the output video Fill Fill selects how much of the picture is preserved full protect input frame crop zoom to fill frame 14 9 scale to 14 9 PB or LB Rule
11. of one or less The setting is in lines vertical offset and pixels horizontal offset A position value of P will result in the picture moving P pixels or lines Zoom greater than 1 The setting is in lines vertical offset and pixels horizontal offset but the values are also scaled by the zoom factor A zoom value larger than 1 with a position value of P will result in the picture moving P x zoom pixels or lines nevion com 14 ARC SD XMUX4 Rev B Positive position values moves image right up negative values left down An AFD code may be embedded Use the figure in the AFD conversion section to find the code that best describes the output picture 3 6 Frame synchronizer The frame synchronizer consists of a frame store buffer and some control logic The frame store buffer can store up to 8 SD frames The frame synchronizer is placed after the ARC block The control logic sets the frame synchronizer either frame sync mode or frame delay mode of operation depending on the presence of the sync input signal If the sync input presence changes the operational mode of the modules will change resulting in frame roll 3 6 1 Frame Sync mode If a sync input B amp B or Tri level is present the module will output a signal that has a constant relative timing to this signal Two parameters can be set output phase and minimum delay The output phase can be positive or negative and sets the timing offset of the sync input and the
12. packet from the video updates the EDH flags according to SMPTE RP165 and inserts the EDH packet into the ancillary data of the video If disabled The EDH processing block only reads processes and reports the incoming EDH packet status and deletes the packet from the video stream 3 11 Video output selection The board has four outputs They are organized in two pairs of inverting non inverting outputs Each pair of outputs can be routed directly from the re clocker or routed through the processing unit nevion com 16 ARC SD XMUX4 Rev B 3 12 Audio overview Electrical SDI out AESZ in AES3 in E AESA in En E E E a AAA AES out www lt lt 7 AES4 out es a ee e i a a DATA out Figure 4 Audio function blocks 3 13 Audio de embedder The Audio de embedder extracts all audio embedded in the video stream The de embedder is always enabled 3 14 Audio delay An audio delay can be specified relative to the video output It is situated before the audio cross point matrix and is common for all de embedded channels The audio delay is specified in terms of 48 kHz audio samples and can be set to positive or negative values NOTE As the audio delay is relative to the video output it is possible to specify an audio delay that will actually be a negative delay i e ask that the sound is sent from the card before it is received This will obviously cause audio errors 3 15 Audio cross point matrix
13. selection mode Video in Mode set to auto There are three priority levels Each level may be assigned an input setting optical electrical video generator or mute The priority is the order in which the board will look for a valid input The card will switch to the next priority after a loss of lock to the input signal If the active input is either electrical or optical and the other is selected as the first priority main the module will not switch back to main unless signal is lost on the active channel or the user hits the Latch reset button Hold time determines how long a signal has to be missing out of lock before it is considered lost This is useful to avoid switching when the input has intermittent faults Lock time determines how long a higher prioritized signal has to be locked before it again can be considered to be present and stable This is only active when the module has lost both optical and electrical video inputs If video input disappears Given that stable SDI input and sync input exists If the SDI input disappears and Video in is set to Auto the board will hold on to the current input for the time set by Hold time whilst frame freezing The board will then select the next input in the priority list or go up to the main input if no fallback exists nevion com 8 ARC SD XMUX4 Rev B 3 3 2 Manual selection mode If the SDI signal disappears the board will frame freeze indefinitely 3 4 De glitcher The
14. t2 lt lock time gt size 5 pri k m man m latch t1 lt hold time gt t2 lt lock time gt Video input select pri a prioritized list of inputs used when change over is automatic The list can have 1 2 or 3 entries or levels Manual mode is effectively the same as automatic mode with one priority level only but has its own command 0 from electrical input 1 from optical input 2 internal video generator 3 mute 4 none The module will always respond with 3 levels filling in 4 none for the levels not used t1 and t2 change over doesn t happen immediately as a precaution against glitches and unstable signals The timers t1 and t2 let the user decide how long in ms we will cling on to a missing input before we consider it gone and move on to the next pri level and how long an input with a higher priority should be present before we consider it nevion com 27 ARC SD XMUX4 Rev B Block Blk Commands Example Response Control repaired and switch back respectively cho size 3 pri k auto size 3 pri k man m No commands available Included to show internal status and to update Multicon GYDA graphics cho 2 13 pri lt k gt pri lt k gt lt l gt cho 2 pri 1 cho 5 pri 0 2 size 4 pri k Audio fallback setting Audio change over blocks one cho per audio output from the audio matrix mtx O No other settings but the priority lis
15. that the fill factor of the picture is unknown In that case the code for the input aspect ratio is used SMPTE352M is a data packet that can be used to identify the aspect ratio of the picture Wide Screen Signaling present in the input video WSS can also be used to identify the aspect ratio of the incoming picture The trouble is that WSS codes are by themselves indistinguishable from WSS Extended codes but have a completely different meaning This means that the user must select if WSS should be interpreted as WSS or WSS Ext and if this selection does not match the choice made in the equipment that inserted the WSS information the resulting scalings will seem unpredictable Mode 1 Full automatic mode The aspect ratio control block will start by looking for AFD presence in the input signal to select the aspect conversion If that is not present it will look for VI then WSS and finally SMPTE S352M information If no aspect ratio information is present in the video the default scaling setting will be used When a valid format descriptor is present either from AFD or VI all the conversions in the AFD code drawing are possible for the given output environment In the case where only input environment information is available a subset of the conversions is used The desired filling method must be set This may be one of the following e Protect input frame No cropping Full curtains e Zoom to fill frame The image will be cropped
16. 5 4 Pre defined settings Input Conversion Output No conversion 4 3 cropped to 16 9 full frame 4 3 to 16 9 with 4 3 pillar box 0 Q ze o oe 4 3 cropped to 16 9 with 14 9 pillar box oe 1 7 ze 16 9 to 4 3 with 16 9 letterbox 16 9 cropped to 4 3 full frame 16 9 cropped to 4 3 with 14 9 letterbox 4 3 with 16 9 letterbox cropped to 4 3 with 14 9 letterbox zoom 1 143 16 9 with 4 3 pillarbox cropped to 16 9 with 14 9 pillarbox zoom 1 167 oe 4 3 with 16 9 letterbox cropped to 4 3 full frame zoom 1 333 O Top 4 3 cropped to 16 9 full frame Top 4 3 cropped to 16 9 with 14 9 pillarbox 3 5 5 User defined settings It is possible to set the scaling values and AFD output codes of four settings named User scaling 1 to 4 The scaling values control horizontal and vertical zoom and horizontal and vertical center offset Vertical and horizontal zoom can be adjusted within the range 0 5 to 1 5 The values denote the enlargement of the output image Vertical and horizontal center offset values are slightly more complicated as the calculation depends on whether the active scaling zoom is greater of less than one Seelsissesesece Zoom
17. OMIZEN denia bosta 15 3 7 Video generator spiesen a e E ea 15 38 Label Generator irera ee is 16 3 9 Video processing OOK aces cock ah rata roda Laa as ane eats 16 3 10 EDH Processing DOCK sanidad 16 3 11 Video OUIDUL selectioner ata 16 O A O dealers 17 3 13 Audio de Smbedoer ccocicr ice pil Shige taaetuelanoneeaettene 17 3 14 Audio O 17 3 15 Audio cross point matrix zcaccee cans Meche sect te 17 RBM AE SD behead cada tet e aa Mad cet tee Gc 18 3 17 Audio generato A O 18 3 18 Audio processing block voii tail riada db cor deans 18 4 Configuration ao a AOS 20 41 DIP SWitCh PUNCHONS Ain oa 20 die FACTORY reset f n O Masas anales 22 4 3 MULTICON GYDA mode sseneeseneseeneesettttertrttertttntartttntertttnterrttntettnnarntn endear aes 22 A T 23 Operaio Ma cnnan ann hes a n e aa neue rR 24 6 1 Frontpanel LED indicators nautico 24 6 2 GP A PP A A E A E E EE ER 25 6 3 RS422 COMMANOS 0 dit a A A a a a a a a a a 25 General environmental requirements for Nevion equipment occcccccccnnncononcccnnncconananannncnnnnnnns 33 Product Warranty sio A ra 34 Appendix A Materials declaration and recycling information oooooccccnnncccnnnccnaccccnnnnccnnnnannnn non 35 nevion com 3 ARC SD XMUX4 Rev B 1 Product overview The Flashlink ARC SD XMUX4 converts the aspect ratio of an SD SDI signal The module changes the scaling during the vertical blanking period so that the changes appear to be instantaneous The ARC SD XMUX 4 has 4
18. ON GYDA mode All functions of the card can be controlled through the MULTICON GYDA control system The MULTICON GYDA interface has an information page and a configuration page 4 3 1 Information page The information page shows a dynamic block diagram of the board and some additional information text The block diagram updates with the board status showing selected input signal missing signals by red crosses over the appropriate signal lines and signal routing by graphic switches It also shows the audio matrix selections that have been made in the configuration page Note that if a stereo pair of embedded audio is missing the user will still be allowed to select that pair from the audio matrix The output will however go to the fallback position immediately A missing stereo pair will be shown in the block diagram as a red cross over the appropriate matrix input line The text on the information page gives information about functionality not displayed on the dynamic block diagram The video delay represents the actual delay between input and output video Embedded UART shows the data rate of the data link embedded in the audio control packages on the incoming signal 4 3 2 Configuration page The different configuration possibilities are explained in Chapter 3 under the corresponding blocks or functions nevion com 22 ARC SD XMUX4 5 Connections o 2
19. ay is always given relative to input AES 2 dly lt audio_samples gt sps dly 1 30sps tgt lt audio_samples gt sps audio delay for input AES 3 The audio delay is given in audio samples Audio delay is always given relative to input AES 3 dly lt audio_samples gt sps dly 1 30sps tgt lt audio_samples gt sps audio delay for input AES 4 The audio delay is given in audio samples Audio delay is always given relative to input AES 4 dly lt lines gt lines lt samples gt sps dly 2 1lines 30sps phase lt lines gt lines lt samples gt sps Video phase If lines 0 the resulting phase will vary with incoming video standard see dly 0 above nevion com 28 ARC SD XMUX4 Rev B Block Commands Example Response Control emb en dis acp on off use24 on off del off on lt del12 gt lt del34 gt emb 0 en emb 2 dis emb 1 acp on emb 3 acp off emb 1 use24 on emb 2 use24 off emb 0 del off emb 2 del on 54 432 en dis use24 on off acp on off del off on lt del12 gt lt del34 gt Audio embedder block en dis Enables or disables the embedding of the group into the ancillary area acp on off This is valid only for SD and enables the audio control package use24 on off This is only valid for SD and selects between 24bit and 20bit sound del off on delay12 delay34 For each o
20. can also be selected as the main input in cho 1 in which case its own video settings will also be used cbar denotes colorbar while mcbar denotes colorbar with an superimposed moving black box nevion com 31 ARC SD XMUX4 Rev B Block Bik Commands Example Response Control vmon msk lt 16b_mask gt reset vmon 0 msk OxFFFF vmon 0 reset msk lt 16b_mask gt Video monitoring Error counting The count itself is reported in info Errors can be masked off and not counted this is the purpose of the mask The counter itself is 16b and will wrap around but can also be reset by issuing reset vpre lgliz on lglz off y cb cr lt gain gt lt offset gt vprc 0 lglz on vprc 0 lgliz off vprc 0 y 1 03 4 0 vprc 0 cb 0 96 0 0 vprc 0 cr 1 34 3 23 lglz on off y lt ygain gt lt yoffset gt cb lt cbgain gt lt cboffset gt cr lt crgain gt lt croffset gt Video processing block Gain and offset must be given as floating point numbers Gain is limited to 0 4 gt for luma and chroma while offsets are limited to lt 1024 1024 gt for luma and lt 512 512 gt for chroma 6 3 3 Com mands intended for debug lab use only Block Bik Commands example Response Control spi on off spi on spi off spi off used to isolate the uC from the SPI lines during programming of the flash by external programmer spi on must b
21. e issued in order to re enable normal card operation with the uC as the SPI master spir lt address gt spir 0x0004 Read a single word or byte from a SPI registers Addressing is 16b and most significant nibble determines which chip These are the address ranges 0x0000 OxOfff 0x1000 Ox1 fff 0x2000 Ox2fff 0x3000 Ox3fff 0x4000 Ox4fff 0x5000 Ox5fff LEDs 0x6000 Ox6fff 0x7000 Ox7fff AES dir and SRC FPGA flash deserializer serializer shift register for F RAM Rotary switches spiw lt address gt lt data gt spiw 0x0004 Ox2c With the same address ranges as for spir above this command allows the user to modify SPI registers thebug thebug A collection of debug information that is presented in a Multicon GYDA block like format First line tells which image is currently loaded Second line contains the filename and version of the uC software including the AVR controller it was compiled for The third line contains the SW flags in uC the number of times the watchdog timer has kicked in readout of dip switches input select for deserializer SDOn on off slew rates and status for the video changeovers The next two lines contain raster information from the deserializer and serializer respectively while the next two lines contain sample values for mlines and VCXO nevion com 32 ARC SD XMUX4 Rev B Genera
22. enerator can be switched in as a fallback source if the input video is missing The audio is re embedded and the video then passes through a Video processing block with an integrated Legalizer before entering an EDH processing block Embedding of the EDH packet is configurable The parallel video is sent out from the FPGA and into a serializer that re clocks the data and sends the SDI to a buffered output switch The output switch is used to bypass the video processing core so that DVB ASI may pass through the module The switch selects between the FPGA output Processed mode and video that has only been re clocked Through mode nevion com 7 ARC SD XMUX4 Rev B 3 2 Video blocks overview 2x2 0D Optical output receiver Reclocker Serializer switch CEE And and Cable De serializer Video reclocker equalizer Generator i Frame sync De glitcher Scaling control logic processing To audio From audio De embedder Frame processing buffer Figure 2 Video block diagram 3 3 Optical Electrical input selection The ARC SD XMUX4 R has both an optical and an electrical input The active input can be selected either 1 Automatically based on a prioritized list of inputs and a rule of switching 2 Manually When controlled by DIP switches the card will use the fall back source and generator settings saved from the last Multicon GYDA session 3 3 1 Automatic
23. extensio n gt Firmware update The lt name gt part must match the card s hardware and include a revision number and the extension must be either ffw for FPGA firmware or mfw for microcontroller firmware After running this command the board will be ready to receive its new firmware fin Fin ok Finalize Finalize the programming of the microcontroller See description of the uC boot loader separate document misc STATUS NOT AVAILABLE BY COMMAND ONLY FOUND in conf 0 AND info RESPONSES prog fin ovr Misc info prog if the card is freshly programmed by the boot loader and the program is still un finalized fin is the normal condition ovr if DIP switch 16 is set to the ON position and the card is under DIP switch control Note 1 The info part of misc has additional functionality when locate is used locating lt remaining seconds gt This enables a visible countdown clock in Multicon GYDA but is not a required part of FLP400 nevion com 26 ARC SD XMUX4 6 3 2 Normal control blocks Rev B Block Bik Commands Example Response Control ablk 0 3 dir in out track none video ablk O dir in ablk 0 track video dir in out track video none AES I O port 1 4 dir in out sets the direction of the AES I O track selects whether AES delay tracks the video delay agen lvl lt sine_level gt cBFS agen
24. f horizontal or vertical curtains or black bars The output signal will have the appropriate AFD VI WSS and S352M embedded All of these metadata types may also be disabled There are four operational modes for the module 1 AFD gt Frame fill setting gt default conversion 2 AFD gt default conversion 3 Frame fill setting gt default conversion 4 Fixed default conversion The primary assumption for the first three modes is that an input signal with the same aspect ratio as the output environment will not be scaled There are a couple of exceptions if the picture has both horizontal and vertical curtains The scaling that is set in default conversion will be used for all input signals 3 5 1 Automatic scaling modes The following applies to the first three automatic modes of operation The scaling performed by the module is determined by the input picture aspect ratio and fill factor presence of curtains but normal SD video does not natively state what aspect the pixels are or if another conversion has already been applied There are three sources of information that may be present in the video that can provide some or all of this information Active Format Descriptor SMPTE 2016 referred to as AFD and Video Index SMPTE RP186 referred to as VI describe both the aspect ratio and the fill factor of the picture nevion com 9 ARC SD XMUX4 Rev B However the fill factor descriptor may contain a code to indicate
25. f the GPI values is used and the external equipment is unable to switch all four GPI lines simultaneously Although the GPI lines are de bounced filtered unintended states could theoretically be visited by the GPI lines in a transition from one intended value to another It is therefore recommended to map all unused states to No action to get the cleanest possible switch between scalings Information about the currently selected default scaling and output environment is stored in the card and also the system controller Multicon If a restart occurs from loss of power the latest settings will be recalled from non volatile memory even if the GPI lines should now be in a state that is mapped to No action GPI value mapped to scaling 4 3 output environment 16 9 output environment U4 No action F1 F2 F1 F2 F3 FA FS FG F7 FB F9 FIO F11 F12 U1 U2 U3 F3 FA F5 F6 F7 F8 F9 FIO F11 F12 U1 U2 U3 U4 Git A A A AAA AAA ASAS cli NC CRC OR OR II HHHHHHHHHHH HHH HS CI COR ICC CC CIC CICR ARO OOO Sih O O SA ASAS Sit ew O DD AAA EN oe ASAS il A A ASAS Gil we ew RCN OR OR CIC ROA OR ON OR OR O ii A A AA AAA cli A A A AAA cli 00 000 ih O we HHHHHHHTHHHHH HH HHHHHHHHHHH HHH HS Slit ee we HHHHHHH HOH s HHHHHHHHHHH HHH He CCC ICC CCC RON CCC HF HHHHHHHHH HHH HHO elit ewe COCO CCC CONC s HHHHHHHHH HH HHH OS Gill CCC CCC CC CAC CORO O Figure 3 Multicon GYDA view of the GPI to scaling map nevion com 13 ARC SD XMUX4 Rev B 3
26. f the embedder groups the delay bits for ch1 2 and for ch3 4 can be inserted into the ACP The delay value can be positive and negative and is put directly into the ACP as it is written Note To set both delays to 0 would be the same as turning the delays off The response reflects this gpi act inact gpi O act gpi 0 inact gpi 0 act id EDH generator gpi 0 inact id EDH generator EDH insert select This gpi works as a simple 2 1 switch inact EDH off act EDHon mtx lt i1 gt lt 01 gt lt iN gt lt oN gt lt i1 gt lt 01 gt lt 02 gt lt oN gt lt i1 gt lt 01 gt lt 02 gt or the above combined mix0021455 mtx000 11 22 mtx 0 0 0 9 mtx 0 0 0 1 122 9 size M N 1 i2 i3 iN Audio matrix mtx 0 size 10 10 controls the audio matrix outputs 0 7 are embedded sound 8 adac and 9 AES Note Any combination of the three basic commands are allowed for instance the following command to set up a 10x10 audio matrix ina single line mtx 3112230 3 9 gt mtx 3 size 10 103 12333333 3 mtx lt i1 gt lt 01 gt lt i2 gt lt 02 gt lt i1 gt lt 01 gt lt 02 gt mix10011 mtx 1 0 0 1 size M N 1 i2 13 iN Video output matrix mtx 1 size 2 2 controls the video output switches 0 Through mode re clocked only 1 Processed mode SDI from FPGA mtx mtx 20 1 mtx 2 size 2 1 1 Embedder enable Has no effect in this produc
27. fd1111 At first the figure looks confusing but observe that each state have only one arrow leading from itself to the other column The arrows define the normal conversion when the input environment is different to the output environment Find the picture type that you have on the input and follow the arrow which points out of that state to find the conversion that will be performed by the ARC SD MUX when the AFD code is present nevion com 11 ARC SD XMUX4 Rev B There are a few states where the input picture has both horizontal and vertical curtains and these also have arrows within the same column These are conversions that will be performed when the input environment is the same as the output environment Fill mode conversions If the module cannot find any fill factor information but has aspect ratio information it will perform one of three conversions when the input environment is different to the output environment 1 Protect input frame 2 Zoom to fill frame 3 Zoom to 14 9 The table shows the conversions that will be performed when this mode is active Output Non AFD Conversion Input h Conversion performed Environment environment e om HO 16 9 Protect input frame 4 3 gt K p gt EA 16 9 Zoom to fill frame 4 3 gt gt ed op OO a o OO 4 3 Protect input frame 16 9 Pe gt ed 4 3 Zoom to fil
28. l absent Video signal Video input Module not status present but signal in lock programmed or card not able DIPs 14 15 both to lock VCXO set to the On position Sync input Sync signal absent Sync signal B amp B or Tri Module not status present but level sync in programmed or card unable to lock DIPs 14 15 both lock VCXO set to the On position Audio input No audio One two or 4 audio Module not status embedded in three audio groups programmed or incoming video groups embedded in DIPs 14 15 both embedded in incoming set to the On incoming video position video Note that three special conditions also exist When all four LEDs blink synchronously this is the result of a locate on command This condition will eventually time out but can also be reverted by issuing the locate off command The second special condition is when an FPGA firmware upgrade is performed When Multicon GYDA is finished transferring the compressed data file the card will spend some time unpacking this file and during this time it will not respond to commands or update settings During this time it will display running lights three LEDs lit one dark the position of the dark LED will move around The last special condition is when the user adjusts the phase delay with the push buttons at the front of the card Short flashes on the SYNC or INPUT LEDs means that the end of the adjustment range has been reached If they flash simultaneo
29. l environmental requirements for Nevion equipment 1 The equipment will meet the guaranteed performance specification under the following environmental conditions Operating room temperature range 0 C to 45 C Operating relative humidity range lt 90 non condensing 2 The equipment will operate without damage under the following environmental conditions Temperature range 10 C to 55 C Relative humidity range lt 95 non condensing nevion com 33 ARC SD XMUX4 Rev B Product Warranty The warranty terms and conditions for the product s covered by this manual follow the General Sales Conditions by Nevion which are available on the company web site www nevion com nevion com 34 ARC SD XMUX4 Rev B Appendix A Materials declaration and recycling information A 1 Materials declaration For product sold into China after 1st March 2007 we comply with the Administrative Measure on the Control of Pollution by Electronic Information Products In the first stage of this legislation content of six hazardous materials has to be declared The table below shows the required information Toxic or hazardous substances and elements MRE i R AE S RDA SR EM Part Name Lead Mercury Cadmium Hexavalent Polybrominated Polybrominated Pb Hg Cd Chromium biphenyls diphenyl ethers Cr VI PBB PBDE ARC SD XMUX4 O O O O O O O Indicates that this toxic or hazardous s
30. l frame 16 9 rO gt Ae 4 3 14 9 16 9 gt 3 5 2 Default scaling mode This mode can be used to control scaling manually The selected default scaling will be used without regards for any incoming aspect ratio information The default scaling field is also used as fallback in the automatic modes when no aspect ratio information is available see automatic modes on the previous pages 3 5 3 Selecting output environment and default scaling by GPI There are 4 GPI input lines that can be controlled individually by external equipment and therefore 16 different combinations Each of these 16 states can be mapped to one of the scalings available under Default scaling The GPI lines will then select the Default scaling nevion com 12 ARC SD XMUX4 Rev B which means that they will either control the active scaling directly if the scaler is in Default scaling mode or the fallback scaling that will be chosen when no AFD VI WSS SMPTE352 information is available in the automatic modes The GPI lines can also be made to control the output environment By selecting from the left part of the matrix the output environment will be set to 4 3 Conversely it will be set to 16 9 by selecting from the right part It is also possible to map one or more states to No action which means that the card will simply ignore this GPI condition This option can be particularly useful if a subset o
31. nevicen ARC SD XMUX4 SD SDI Aspect Ratio Converter with 4x AES I O User manual Rev B Nevion nevion com ARC SD XMUX4 Rev B Nevion Support Nevion Europe Nevion USA P O Box 1020 1600 Emerson Avenue 3204 Sandefjord Norway Oxnard CA 93033 USA Support phone 1 47 33 48 99 97 Toll free North America 866 515 0811 Support phone 2 47 90 60 99 99 Outside North America 1 805 247 8560 E mail support nevion com See http www nevion com support for service hours for customer support globally Revision history Current revision of this document is the uppermost in the table below Rev Repl Date Sign Change description hie Cover page update DoC removed no other B OONA vE changes to content o 2011 11 02 TB Added chapter 6 2 on GPI alarms and GPI inputs 0 A 2011 03 04 SHH Initial revision nevion com 2 ARC SD XMUX4 Rev B Contents 1 Product OWS IVIGW aiii dens dant heed acon dena A io ii aid 4 Te EEA FOCIIC EVENS IO Sn cele Macleod Sakae the e acta de te Secale habit bastards Adal 4 2 Specifications a nda next dink a dd wea ude Aide ahead nae hea aaraa 5 OSC A O O 7 3 1 Data palito toe 7 3 2 Video DIOCKS OveViEW aia 8 3 3 Optical Electrical input selection 2 0 0 2 cece cece cent eeeeeneeeeeeee eee eeteaaaaeaeeeeeeeeeeeessaaaeeeeeees 8 DS ADS GINCN GR siete ito 9 3 5 Aspect Ratio Converter block eos eooi 9 3 6 Frame SVNGM
32. on and audio gain Channel L R manipulation The stereo signals may be output in one of the following ways LR Left Right No change RL Right Left Channels are swapped LL Left Left Left channel is copied into the right channel RR Right Right Right channel is copied into the left channel ILR OLeft Right The left channel is phase inverted LIR Left ORight The right channel is phase inverted MM Left Right 2 The left and right channels are summed MS MS AB The left and right channels are converted from AB stereo to MS stereo The sum products L R 2 and MS are reduced in level by 6 dB to avoid any possibility of clipping nevion com 18 ARC SD XMUX4 Rev B Audio gain Audio gain is a 16 bit value that can be set for each stereo pair going into the audio processing block The gain range is set to 96dB 96dB with a gain step of 0 1dB Note that non audio data is ignored and left unchanged by the gain function 3 18 1 Audio embedder The audio embedder can be enabled disabled per group When a group to be embedded is disabled the audio inside that group is removed A 24 bit audio signal uses the Extended Audio Data Packet for the 4 least significant bits Not all equipment can handle Extended Audio Data Packets correctly so the option exists to truncate all audio data to 20 bits This setting is common for all embedder channels The insertion of Audio Control Packages can also be s
33. signed to be hot swappable To sync with the start of a new command the cards will wait for a lt lf gt character before looking for a valid command conf 0 conf 0 too long to list Configuration settings Retrieves the card s configurable settings Each addressable block is represented by a single line Dynamic status may be included in response but is usually reported in info only info info too long to list Dynamic status info Blocks with static settings only will usually not be included see conf above nevion com 25 ARC SD XMUX4 Rev B Block Bik Commands Example Response Control chk off chk off ok Checksum off If issued twice in succession this command will disable checksums Note Responses will still have the checksums appended NOTE1 command turns the checksum on again locate on lt seconds gt locate off locate on 3 locate off ok Card locator This command will cause all the LEDs to flash for a user specified number of seconds If omitted the value lt seconds gt will be set to a default of 120 seconds The flashing can be terminated at any time with locate off address address address lt address gt Card address This command will force the module to check and update its current rack and slot address This is normally only done at start up filename filename arcsddmux 0 101 ffw lt name gt lt
34. t mtx mtx 3 100 mtx3 10 mtx 300 mtx 3 size 16 1 10 mtx 3 size 16 1 1 mtx 3 size 16 1 0 Deafult scaler matrix mtx 3 size 16 1 controls scaling to use when default scaling is selected mtx mtx 4100 mtx 4 size 17 16 10 0123456789 1011121314 GPls mapped to scalings mtx 4 size 17 16 controls how the 4 bit GPI values are mapped to the 16 available scalings The 12 fixed scalings are 0 11 the 4 user scalings are 12 15 The 17 option is to not perform any action mtx mtx 5 mtx 5 size 37 1 10 Active scaling mtx 5 size 16 1 tells which scaling is currently used No commands nevion com 29 ARC SD XMUX4 Rev B out fill full crop 14 9 rule lt rule value gt ins lt insert value gt scale 16 out fill full rule 0x02 insert 0x20 16 9 fill full rule Ox1 use OxF ins 0x20 use Ox3E Block BIk Commands Example Response Control available pin O jon off pin 0 on cd ncd Pin diode for optical input No pin O off control available except to turn power to the pin diode on or off The info string reports carrier detected or no carrier detected rel 0 l rcl O lock lol Reclocker No control only used to report lock status scale 0 out env 16 9 4 3 scale 0 out asp 16 9 out zoom lt Hscale gt Premade scale blocks 11 scale 0 out asp 4 3 lt Vscale gt pos 12 fixed scale settings The user can out afd
35. t 0 from audio matrix 1 sine 2 AES with silence 3 mute Note Only generators pri 1 2 or 3 are allowed to be set as first and only priority cho 14 pri lt k gt pri lt k gt lt l gt cho 12 pri 1 cho 12 pri 0 2 size 4 pri k Embedded audio common fallback setting A short cut to set change overs 2 9 all at once Will of course not report anything in info that s left to the individual cho blocks demb 0 3 demb 0 demb 2 grp ken Audio de embedders one permanently assigned to each incoming group always enabled No control available dly lt frames gt frms dly 0 2frms tgt lt frames gt frms Video delay This sets the additional video delay of the card In info this block reports back the current delay in nanoseconds This will vary with the incoming video standard dly lt audio_samples gt sps dly 1 30sps tgt lt audio_samples gt sps audio delay for deembedded audio The audio delay is given in audio samples Audio delay is always given relative to video dly lt audio_samples gt sps dly 1 30sps tgt lt audio_samples gt sps audio delay for input AES 1 The audio delay is given in audio samples Audio delay is always given relative to input AES 1 dly lt audio_samples gt sps dly 1 30sps tgt lt audio_samples gt sps audio delay for input AES 2 The audio delay is given in audio samples Audio del
36. t be removed Available video standards are 486 25i and 576 25i 3 8 Label generator The label generator consist of 2 lines of 16 characters each that are placed at the lower left corner of the active area Its main function enables the user to automatically add a label to the internal generator at loss of input signal It is done by selecting the auto tick box on the Label generator block in the Multicon GYDA configuration It is also possible to insert the label to the incoming SDI by ticking on the Enable tick box Note that to see the label on an output the video output selection must be set to Processed for that particular output 3 9 Video processing block The video processing block consists of a gain and offset adjustment and a video payload legalizer 3 9 1 Gain and offset The gain and offset adjustment is done separately on the Y Cb and Cr samples Range Multicon GYDA Luma gain 0 3 9999 Chroma gain 0 3 9999 Luma offset gain 1 511 75 511 75 Chroma offset gain 1 255 75 255 75 3 9 2 Video payload legalizer The legalizer hard clips the upper and lower limit of the video payload With the legalizer enabled the limits are Upper limit Luma 3ACh Chroma 3C0h Lower limit Luma 040h Chroma 040h With the legalizer disabled the video processing block hard clips both luma and chroma to 3FBh and 004h 3 10 EDH processing block If enabled the EDH processing block extracts the EDH
37. t relative to the AES input port If the AES input port is synchronous with the SDI input the user can select the AES input delay to track to the video delay The card will calculate the relative delay for the audio based on the delay setting for video and audio This is useful if the SDI in and AES has a common clock source and the sync input has a different clock source 3 16 2 Audio outputs The AES outputs are routed from the audio matrix via individual audio processing blocks The outputs are always 48 kHz and synchronous to the system clock The AES outputs have individual fallback options 3 17 Audio generator The stereo audio generator is available as an input to the audio cross point matrix and as a fallback option There are therefore three slightly different ways to select the generator select it in the matrix directly select it as the first priority under audio fallback or to set it as second priority behind a missing input The generator signal is a high purity 1 kHz sine wave with a 250ms interruption on the left channel every 3 seconds The audio level may be set to one of two standards The two levels are 18 dBFS and 20 dBFS These two levels correspond to EBU R68 and SMPTE RP155 3 18 Audio processing block The output of each stereo signal from the audio cross point matrix may be processed in the audio processing block This is controlled with the Multicon GYDA controller The processing includes channel L R manipulati
38. the reset switch back to normal position off Power up the card as normal The operation of the card will immediately reflect the freshly loaded default settings However the card must be kept powered for at least 10 seconds to ensure that these settings are stored locally to be retrieved again at the next start up The card s operational environment must also be kept static during those 10 seconds i e no change in incoming video standard no commands issued Failing to meet these requirements could result in an incomplete reset and require the user to restart the factory reset sequence 4 2 1 Rotary switch and push buttons The rotary switch labeled DLY adjusts the phase delay from 5 to 4 video lines It is only functional when a sync signal black amp burst or tri level is present at the sync input The rotary switch is accessible from the board front The push buttons labeled INC and DEC are used to fine adjust the phase delay by samples It can adjust 2 video line for the current video standard or the last video standard the board was able to lock to Pressing a button and keeping it pressed will accelerate the change The LED adjacent to the button will flash for a short period of time when the end of the adjustment range has been reached Pressing both buttons at the same time will return to the middle of the adjustment range and the board will acknowledge by flashing the INPUT and SYNC LEDs simultaneously 4 3 MULTIC
39. tring on the left will display ABC on a single line The 32 characters are transmitted in two pages of 16 characters each These pages are prefixed Ib 0 and Ib 1 sync sync 0 lol lock rilvl bb sdi Sync block Frequency reference for video output Status only no commands available uart tx The embedded data link selectable by cho 13 No control possible the word tx indicates that this is a transceiver only Uart info reports link status os loss of signal raw or the speed of the embedded link example 115200 8 n 1 vgen cbar chkfield white yellow cyan green magenta red blue black mcbar flat lt Y gt lt Cb gt lt Cr gt video lt Ins gt lt rate gt lt scan gt wss off on lt wss_val gt vgen 0 cbar vgen 0 flat 200 0 100 vgen 0 video 576 25i vgen 0 video 486 29i vgen 0 wss auto vgen 0 wss on 7 video lt Ins gt lt rate gt lt scan gt wss auto off on lt wss_value gt cbar chkfield white yellow cyan green magenta red blue black mcbar flat lt Y gt lt Cb gt lt Cr gt Internal video generator The video generator will be activated in two different ways If selected as a fallback option the generator will generate the selected pattern when the other input s are missing and then use the video settings from the last external source present It
40. ubstance contained in all of the homogeneous materials for this part is below the limit requirement in SJ T11363 2006 X Indicates that this toxic or hazardous substance contained in at least one of the homogeneous materials used for this part is above the limit requirement in SJ T 11363 2006 This is indicated by the product marking A 2 Recycling information Nevion provides assistance to customers and recyclers through our web site http www nevion com Please contact Nevion s Customer Support for assistance with recycling if this site does not show the information you require Where it is not possible to return the product to Nevion or its agents for recycling the following general information may be of assistance Before attempting disassembly ensure the product is completely disconnected from power and signal connections All major parts are marked or labeled to show their material content Depending on the date of manufacture this product may contain lead in solder Some circuit boards may contain battery backed memory devices nevion com 35
41. usly both push buttons have been pressed simultaneously and the samples part of the phase delay reset to the middle of the adjustment range nevion com 24 ARC SD XMUX4 6 2 GPI alarms The UDC HD XMUX4 has one GPI output below 6 2 1 Functions of 8pin modular jack Rev B This reflects the status of the card see the table GPI name Function Pin Mode Direction _ z Status General error status for Pin1 Inverted Open Output s the module Will also Collector a activate at firmware open is alarm E upgrades 1 GPI 1 GPI default scaling Pin 2 TTL OV Input Ze select Least significant active level bit GPI 2 GPI default scaling select Pin 3 TTL OV Input 6 active level 8 DATA link RS422 Pin 4 R8422 Output output DATA link RS422 Pin 5 R8422 Output output GPI 4 GPI default scaling Pin 6 TTL OV Input select Most significant active level bit GPI 3 GPI default scaling Pin 7 TTL OV Input select active level Ground O volt pin Pin 8 OV 6 3 RS422 commands 6 3 1 FLP4 0 required commands Block BIk Commands Example Response Control 2 2 product name Hello command SW rev n m Note 1 No other commands will be FW rev r s available until the card has received protocol ver 4 0 this hello Note 2 This command will also enable checksums Note 3 Cards are de
42. video output The minimum delay sets the minimum delay between video output and video input The actual delay can be larger than the minimum delay hence the name because the card must also adjust the picture phase relative to the sync input The user may set the minimum delay up to 7 frames 3 6 2 Frame delay mode This mode is active when a sync signal is not present The minimum delay setting is then used directly 1 frame and 1 line minimum delay means that the output will be 1 frame and 1 line delayed version of the input 3 7 Video generator The video generator can produce one of the signals from the following list e Color bar e Checkfield e Color bar with moving black box e Black e White e Yellow e Cyan e Green e Magenta e Red e Blue The flat field option allows the user to specify any combination of luma and chroma values In normal operation as a fallback generator the video generator will take its video standard setting from the last video input seen by the board nevion com 15 ARC SD XMUX4 Rev B To enable the board to act as a standalone and user configurable video generator the video generator must either be set as the first priority input when Mode is auto or selected manually by setting Mode to Video generator This will override any video input but the generator signal will still be locked to the sync or SDI inputs if present For true standalone generator operation the inputs mus
43. w Belden 8281 BER lt 10E 12 gt 15dB 5MHz 1 5GHz SD limit 10Hz 1kHz gt 1 Ul 10kHz 5MHz 50 2 UI 75 Ohm BNC Black amp Burst Tri level lt 35dB lt 10MHz 30dB lt 30MHz Selectable internal or external 75 Ohm termination 4 2 non inverting 2 inverting 75 Ohm BNC gt 15dB 5MHz 1 5GHz 800mV 10 SD limit 0 4ns 1 5ns lt 0 5ns rise fall var lt 10 SD lt 0 2 Ul SD lt 0 15 Ul 4 WECO 110R 20 0 1MHz 6 144MHz lt 0 0025Ul peak 110 ohm transformer balanced 24 kHz to 100kHz converted to 48 kHz uf not isochronous to either SDI input or sync input 24 bits As received when isochronous otherwise fixed SMPTE 259M SMPTE 272M AC SMPTE297M SMPTE 170M SMPTE 274M ITU R BT 470 SMPTE RP187 ITU R BT 470 SMPTE RP199 1999 SMPTE RP221 nevion com 5 ARC SD XMUX4 Video switch point definition and sync AES Optical EDH Video Payload Identification Rev B SMPTE RP168 tri level SMPTE 170M ITU R BT 470 AES3 1996 SMPTE 297M Compliant to SMPTE RP165 SMPTE 352M 2002 SMPTE 2016 1 SMPTE2016 3 SMPTE RP186 Minimum video signal delay through processing Minimum delay Other Power consumption W o optical input module All AES configured as inputs unused 256 lines 5V DC 5W max 0 3W 0 5W nevion com 6 ARC SD XMUX4 Rev B 3 Description 3 1 Data paths The SD SDI input selected from the optical or electrical
44. witched on and off This setting is also common for all embedder channels nevion com 19 ARC SD XMUX4 4 Configuration 4 1 DIP switch functions 4 1 1 DIP switch functions Rev B Note that the left DIP switch of the horizontal DIP package is number 1 The top DIP switch of the vertical DIP package is number 17 Switch Function name Function DIPs Comment 1 AES1 dir Off input AES 1 input or output if On output AES1 is input DIP 2 4 routes GROUP 1 2 4 AES1 GRP 1 DIP Group 1 AES1 Routing matrix to AES1 or routing 234 Embeddin output GROUP 1 g Deembed ding 000 Disable Group 1 ch 1 amp 2 001 Group 1 Group 1 ch 3 amp 4 010 Group 2 Group 2 ch 1 amp 2 011 Group 3 Group 2 ch 3 amp 4 100 Group 4 Group 3 ch 1 amp 2 101 AES182 Group 3 ch 384 110 AES384 Group 4 ch 182 111 Generator Group 4 ch 384 5 AES2 dir Off input Aes 2 input or output On output 6 8 AES2 GRP2 See table for AES1 GRP1 Routing Matrix to AES2 or GROUP 2 9 AESS3 dir Off input AES 3 in or out On output 10 12 AES3 GRP 3 See table for AES1 GRP1 Routing AES3 GROUP 3 13 AES4 dir Off input AES 4 in or out On output 14 16 AES4 GRP 4 See table for AES1 GRP1 Routing matrix AES4 GROUP 4 X Y Frame delay DIP 1 2 Off Off gt O frms With a sync input present DIP 1 2 Off Off gt 1 frms this sets the minimum DIP 1 2 Off On
45. x SDI outputs and 4 x AES I Os The ARC SD XMUX4 is also a frame synchronizer with an adjustable offset relative to the sync signal The ARC SD XMUX4 also has a de glitcher to give error free synchronous switching The audio embedded in the SD SDI stream is de embedded and can be delayed relative to video The stereo audio channels can be swapped in the audio matrix before they are re embedded in the SD SDI data output stream A selection of user parameters of the card can be controlled by switches on the board Complete control of all parameters is available by use of the Flashlink RS422 Control Protocol Version 4 which is supported by the Multicon GYDA system controller from software release 2 13 BYPASS gt SDIOUT SDIOUT AFD WSS AFD WSS vi vi SDIOUT De embedder Embedder ze x point Phase Thru Frame S yne a gt Deglitcher Aspect Ratio w Video ic MA ea gt Conversion generator SDIOUT SDI OPTICAL gt C IN J gt gt SDI ELECTRICAL IN Reclocker De serialiser REF ___________ _ Genlock Audio Tone Generator i i Audio Audio x point f GPI guong AS422 p RS422 16 ch Audio p Audo R D our De embedder Delay GYDA 4 AES IN Audio SRC gt 4 AES Selectable I O CTRL 4AES OUT
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