DAC-AVA-DMUX User manual
Contents
1. SD video DAC DIP 5 6 format DIP 5 6 DIP 5 6 DIP 5 6 nevion com 18 DAC AVA DMUX Rev A Switch Functionname FunctionDIPs 1 Comment O s Input priority 10 11 Audio DAC and AES group DIP 10 11 DIP 10 11 Off Off 2 Gr1 Off On 2 Gr2 On Off 2 Gr3 On On 2 Gr4 DIP 10 11 DIP 10 11 5 dm DAC Off Ch1 channel On Ch2 from selected group ii channel Off Ch1 On Ch2 from selected group AES Dlink Off AES3 out on AES output On Data link out on AES output i RESET Off Use values preset by GYDA On RESET to factory defaults Off GYDA mode On Manual mode 4 2 1 Factory reset function A factory reset is a 3 step process PAL B G and NTSC or PAL M and PAL N is automatic based on video input 7 Ex gee e disable On No black setup Off Optical input has priority On Electrical input has priority This switch has no effect for boards without the optical input R option The 2 first of these 4 DIPS select one of the de embedded groups The next two DIPs select a channel pair within this group for the audio DAC and one for the AES output respectively The two slide switches on the bottom side of the board must also be switched See ch 4 2 3below This DIP is only read during boot The board will not start when DIP 16 and this DIP are both set to On After returning the DIP to normal position the card must be restarted an2. 4 3 9 2 Video payload legalizer The legalizer hard clips the upper and lower limit of the video payload With the legalizer enabled these limits are Upper limit Luma 3ACh Chroma 3COh nevion com 25 DAC AVA DMUX Hev A Lower limit Luma 040h Chroma 040h With the legalizer disabled the video processing block hard clips both luma and chroma to 3FBh and 004h 4 3 10 SDI output selectors The board has four outputs organized as two pairs each consisting of one inverting and one non inverting output The signal to each of these two pairs can be routed either directly from the re clocker Through or from the audio video processing unit Processed SDI out 1 Main Through Processed SDI out 2 Main Through Processed Figure 18 Multicon GYDA view of SDI output selection block All features that requires modification of the video content video generator label overlay etc requires that the output is set to Processed Note that when the internal video generator is selected either because it was selected as main in Video in or because it was selected as fallback for a missing input outputs set to Through will behave as if Mute was selected 4 3 11 EDH processing block If enabled the EDH processing block extracts the EDH package from the video updates the EDH flags according to SMPTE RP165 and inserts the EDH package into the ancillary data of the video If disabled The EDH processing block only reads pro
3. 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 32
4. Output level Common mode DC immunity Level adjustment range Two tone intermodulation Output resolution AES output Number of outputs Connectors Return loss Output jitter Supported standards SD 270 Mbps HD 1485 Mbps Analog video Video switch point Rev A 100 1 IRE 40 1 IRE gt 35dB 10MHz 40dB o 5MHz 100 1 IRE 40 1 IRE lt 0 5 1deg 60dB 60dB 60dB 0 5 2 10 bits 1 component RGB YPbPr 3 x 75H BNC lt 0 15mV 10041 IRE gt 30dB 30MHz 10 bits 1 stereo pair 2 x WECO audio connectors lt 66R gt 100dB A 60dB 20Hz 20kHz 70dB 20Hz 20kHz 0 5dB 24dBu 1dB 0 48V 0 24dBu with 1db step 80dB 24 bits 1 WECO audio connector 110R 20 0 1MHz 6 144MHz 0 0025UI peak SMPTE 259M SMPTE 272M AC SMPTE 292M SMPTE 274M SMPTE 291M SMPTE 296M SMPTE 299M SMPTE 170M SMPTE 274M ITU R BT 470 ITU R BT 709 Part 2 SMPTE RP 168 tri level SMPTE 170M ITU R BT 470 nevion com 11 DAC AVA DMUX definition and sync AES Optical EDH Video Payload Identification Other Power consumption Hev A AES3 1996 SMPTE 297M SMPTE 292M Compliant to SMPTE RP165 SMPTE 352M 2002 o V 4 8 W 4 4 W without optional optical receiver 15V 2 7 W 15 V 0 8 W nevion com 12 DAC AVA DMUX Hev A 3 How to get started 3 1 Power requirements The absolute maximum total power consumption for this modu
5. SD HD video DAC Optional 2xSDI out internal audio handling and frame synchronizer functionality DAC AVA DMUX R SD HD video DAC with high sensitivity 9 125um single mode optical input Optional 2xSDI out internal audio handling and frame synchronizer functionality 1 2 Software options The base products DAC AVA DMUX DAC AVA DMUX R do not have the frame synchronized SDI outputs enabled or the AES and analog audio outputs enabled Nor do they have the ability to receive SD SDI or HD SDI input signals This means that at least one these two input capabilities must be ordered as a factory option or purchased as a software key upgrade at a later time in order to have a useful product nevion com 5 DAC AVA DMUX Hev A The following table summarizes the ordering options available for prices please contact Nevion or an authorized Nevion dealer rT V Nevion option code Hardware DAC AVA DMUX select one DAC AVA DMUX R Input formats E DAC OPT input HD select at least one DAC OPT input SD AES analog Indo sob L DAC OPT audio Table 1 Available options At the bottom of the information page the front page of the module in Multicon GYDA a line will show which features are enabled Purchased features ab Yes HD Yes SDI Yes Audio Yes This example shows a module with all optional features present 1 2 1 How to apply a software key that enables new options 1 In Multicon Gyda navigate t
6. 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 embedded channels The insertion of Audio Control Packages can also be switched on and off This setting is also common for all embedded channels For SD input i e operation as a frame synchronizer the audio embedder can also be switched off all together In this state all audio embedded on the input signal is left unchanged nevion com 28 DAC AVA DMUX Rev A 4 3 22 Analog audio output The level of the analog audio output can be adjusted in GYDA The minimum step is 0 5dB input will be rounded to nearest 0 5dB and the range is from 95 5dBu to 24dBu It is also possible to mute the output completely nevion com 29 DAC AVA DMUX Rev A General 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 30 DAC AVA DMUX Rev A Product Warranty The warranty terms and conditions for the product s covered by this manual follow the General Sales Conditi
7. configurable outputs with the following combinations available CVBS CVBS CVBS CVBS Y C Y Pb Pr R G B This setting only applies to SD video When HD video is routed to the video DAC the output will always be YPbPr For CVBS and S Video the following modulations are available PAL B G NTSC PALM PALN The board can handle 50Hz based input signals as well as 60Hz based with and without pulldown but can t convert a 50Hz based input to a 60Hz based output and vice versa The modulation setting is therefore split in two one to select between NTSC and PAL M output for 60Hz based sources and one to select between PAL B G and PAL N for 50Hz based sources It is also possible to turn black setup pedestal on or off This setting only applies to NTSC PAL Wide Screen Signaling WSS is also supported and while the HD input is always 16 9 SD inputs can have WSS values already embedded The user can select to strip off any existing WSS information by setting mode to Off or to override the current WSS value by setting mode to On and specifying a new value or set the mode to Auto The Auto mode will signal 4 3 or 16 9 based on the aspect ratio bit in SMPTE 352M byte 3 or turn WSS off if no SMPTE 352M packages are available When specifying WSS values the user should observe that the WSS value is really a 14 bit number with other information besides just aspect ratio Aspect ratio is contained in the lower 4 bits and t
8. frames delay When frame delay is set to 1 frame the delay through the card will be between 1 and 2 frames depending on the input phase between SDl input and sync input The frames and lines are measured in units of the output SDI video standard If the output SDI standard is 1080125 a delay of one line is equal to 35 5us If the output SDI standard is 720p50 a delay of one line is equal to 26 6us If the output SDI standard is 625125 a delay of one line is equal to 64us For a scenario where the card receives different HD video standards e g 1080125 and 720p50 the user may want to conserve a specific delay in microseconds for all HD video standards This is accomplished by specifying the delay in number of samples instead of frames and lines For HD video standards the sample frequency is equal over standards but the line and frame frequencies are different for the different standards If video input disappears nevion com 22 DAC AVA DMUX Rev A Given that stable SDI input and sync input exists If the SDI input disappears the picture will freeze for hold time and then go to video generator if the card is in default configuration If video input reappears Given stable sync input the video will reappear after lt lock time of locked video input if card is in default settings If sync input disappears Given that stable SDI input and sync input exists If the sync signal disappears the card will act as in f
9. is address 04 and the module has replied Then the software key optn 0 123456 123 has been copy pasted into the command field and is ready to be sent to the module The command will be sent when the Ok button is pressed The module will then reply with ok and restart with the new features enabled It will take a few seconds before Multicon Gyda rediscovers the module after the restart nevion com 8 DAC AVA DMUX Hev A Multicon Debug terminal 07097 QOG0TDAC AVA DMUX E SW rev 1 01 FPGA rey 1 75 Serial rev 12701 protocol ver 4 0 46EC O7FO9optn 0 OS0Toptn 0 inact 18A5 Card Gyda Command Action oz og 385861604 2538200853 Ok Cancel Figure 9 The debug terminal actual serial number and product key greyed out No checksum Clear 6 Remember to check that the module now has the new features enabled Please refer to step 2 nevion com 9 DAC AVA DMUX 2 Specifications Optical SDI input optional Data rate optical Sensitivity HD SDI 1485 Mbps SD SDI 270 Mbps Detector overload threshold Detector damage threshold Optical wavelength Transmission circuit fiber Connector return loss Connector Electrical SDI input Connectors Equalization Input Return loss Jitter tolerance Electrical Sync input Connector Format Input Return loss Hev A 2 0 1485 Mbps Better than 22dBm Better than 22dBm Min 3dBm gt 1dBm 1200 1620nm 9 1
10. out It fades in at the new frame 4 3 3 Frame synchronizer The frame synchronizer consists of a frame store buffer and some control logic The frame store buffer can store up to 8 full HD frames Data is fetched from this buffer according to the user settings by force of the control logic The control logic sets the frame synchronizer into different modes dependent on the presence of a sync input 4 3 4 Frame synchronizer in Frame sync mode If a sync input B amp B or Tri level is present the frame synchronizer will output a signal that has a delay relative to this signal Two parameters can be set Phase delay and Frame delay Phase delay lines samples Video frame delay frames Figure 12 Multicon GYDA view of the video delay settings Let us first focus on the phase delay which also may be called output phase delay This parameter can be positive or negative and determines the relationship between the outgoing video and the sync signal The phase delay can thus be written in several ways a large positive delay will equal a small negative delay because there is wrap around on a frame basis It follows that it is not useful to specify a phase delay larger than 1 frame Strictly speaking the range could have been limited to 1 2 frame to 1 2 frame For convenience the delay range is allowed to be from 1 frame 1100 samples to 1 frame 1100 samples In addition to the phase delay the user may specify additional
11. version I GYDA ALARMS LOG CONFIG MAT ois User and access setup er SNMP setup Date and time setup P General setup E terminal c Firmware upgrade Ana dll Figure 8 Step two to access the Debug terminal in the previous Multicon version Now comes the only tricky part of the procedure To address a particular module through the debug terminal one has to take the frame number and slot number and make a unique two digit address from them To do this multiply the frame number from the Multicon GUI with 10 then add the slot number from the Multicon GUI and finally subtract 1 Another way of saying this is that the left digit of the address is the frame number and the right digit is the slot number minus one i e slots counted from O to 9 instead of 1 to 10 as they are displayed in the Multicon user interface The two modules in our example were both in frame 0 but in slots 1 and 5 respectively This gives us the addresses 00 0 10 1 1 and 04 0 10 5 1 Before trying to send the software key it could be wise to check that the addressing is indeed correct That can be done by sending a single question mark to the module In the Flashlink protocol this is known as the hello command and is basically a who are you command The module should identify itself with the module type version information and serial number In the example below the hello command has been sent to the module in frame O slot 5 that
12. 25um Single Mode gt 40dB w SM fiber SC UPC 75 Ohm BNC Automatic 300m 270Mbps w Belden 8281 BER lt 10E 12 100m 1485Mbps w Belden 1694A BER lt 10E 12 gt 15dB 5MHz 1 5GHz SD limit 10Hz 1kHz 1 UI 10kHz 5MHz gt 0 2 UI HD limit 10Hz 100kHz gt 1 UI 100kHz 10MHz 50 2 UI 75 Ohm BNC Black amp Burst Tri level lt 35dB lt 10MHz 30dB lt 30MHz Electrical SDI outputs optional Number of outputs Connectors Output Return loss Output signal level Output signal rise fall time 20 80 Amplitude overshoot Output timing jitter Output alignment jitter 2 75 Ohm BNC gt 15dB 5MHz 1 5GHz 800mV 10 SD limit O 4ns 1 5ns lt 0 5ns rise fall var HD limit lt 270ps lt 100ps rise fall var lt 10 SD 0 2 UI HD 1 UI SD 0 15 UI HD 0 15 UI Analog Video output NTSC PAL Number of outputs Connector DC offset 1 Component RGB YUV or 3 CVBS 3 x 75R BNC lt 0 15mV nevion com 10 DAC AVA DMUX White level NTSC sync level NTSC Return loss White level PAL Sync level PAL Diff gain Diff phase AM noise PM noise S N 21 K factor 2T pulse distortion Luma non linearity Output resolution Analog Video output HD Number of outputs Connector DC offset White level Return loss Output resolution Analog Audio output Number of outputs Connectors Impedance Dynamic range Crosstalk THD N Frequency response
13. TSC and PAL M output for 60Hz based sources and one to select between PAL B G and PAL N for 50Hz based sources The Black setup pedestal On or Off setting only applies to NTSC nevion com 16 DAC AVA DMUX Rev A 3 6 How to get back to factory defaults To access the function that will reset the module and reload the factory default settings the module must briefly be put into manual mode The entire procedure is described in chapter 4 2 1 nevion com 17 DAC AVA DMUX Rev A 4 Configuration 4 1 Selecting between Gyda mode or Manual mode The board can be configured either manually i e via DIP switches on the board itself or via the system controller Multicon GYDA Since there s a limited number of switches available compared to the total number of settings available for the module only a subset of the parameters can be adjusted when operating in manual mode Generally the parameters that cannot be directly controlled by the DIP switches will take their settings from the previous Multicon GYDA session This means that for a specific manual setup it may be necessary to configure the module with a Multicon GYDA before switching to manual mode To reach manual mode the lower DIP labeled OVR on the module must be switched to the On position to the right and the board must be re booted This isolates the board from Multicon GYDA control but the module will still accept commands to retrieve its status a
14. The table below is an overview of the connectors and their associated functions nevion com 13 DAC AVA DMUX Hev A Connector type Function HD SD SDI input IN HD SD SDI sync output 1 O1 BNC O02 IN O1 O2 AR ES BNC BNC BNC BNC Analog audio output left AAL WECO Audio connector channel E Positive GND Negative Analog audio output right A channel E Positive I GND Negative AES digital audio outputt A WECO Audio connector Positive GND y Negative 10 No label BSC II for SC input Sync input SYNC BNC Black amp Burst or Tri Level Table 2 Connector functions Unused SDI inputs outputs should be terminated with 75 Ohm nevion com 14 DAC AVA DMUX Rev A 3 3 What the LEDs mean Red LED Orange LED GreenLED Nolight Card status PTC fuse has been FPGA FPGA loaded Module has no triggered or FPGA loading If module OK power loading has failed more than a few seconds DIPs 14415 both set to the On position or module not orogrammed SDI input Video signal absent Video signal Video input Module not status present but signal in lock programmed or card not able DIPs 14415 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 14415 both lock VCXO set to the On oosition Audio input No audio One two or 4 audio Module n
15. ai irc as dut 25 4 9 10 SDI oOHtDUESelB IONS eetset ennen setten anitae mta Seo bora E inue Ses beca Sut ie ud UE 26 43 11 EDH processing DIOOK rivalen roads tatem roads manana Vadis Raus EC adio Racers ted 26 43 12 SIQMAl IFtegriby oeenn teaes ee een in vesc nc echndiacetad Pieces Sateen tieten d dues tni ted red Uu dE 26 nom Po Lapel gene dO RE T o m ce ee ee 27 4 314 AUdIO OVOLVIO M ss testes ciel suu ie esto ited EM M C M T RE 27 4 3 15 Audlo de emb6edQOel 33 e END ME Se eee a 27 dae LO AUCA I I EET 27 4 3 17 A dio Cross POINT I alEDCesseusaeu cus o ep uates arque Ra sec bae qwe at ERER 28 4 3 19 AudioTa3llback OPWONS p otn den neren nettere 28 T3 T9 Audio GENE allis i tet eettentje IE 28 4 3 20 Audio Processing DIOCK toris eerdere denten ede 28 4521 AUDIO embedden zere ene enen eee a heee 28 4 3 22 Analog audio output an aaneen enen enen enenenenerenerenerenerenenenerenenenenenenenenenen 29 General environmental requirements for Nevion equipment 30 iioi eM Fede METTE TM 31 Appendix A Materials declaration and recycling information 32 nevion com 3 DAC AVA DMUX Rev A A Maternal deser OM soudure UT LE rene De ees MEM ED CEA E 32 A 2 Recycling information anssen nen enenerenerenerenerenenenerenenenerenensnennnernnennnennneennenn 32 nevion com 4 DAC AVA DMUX Hev A 1 Product overview The Flashlink DAC AVA DMUX is an HD SDI SD SDI video DAC wi
16. al optical internal generator muted or none When the signal is missing on the input selected as Main the change over logic will switch to the next priority and look for a signal there and so on If the user doesn t want to use all three priority levels the unused ones can be set to Should the user specify a list of priorities where it is actually impossible to reach one or both of the backup levels nevion com 24 DAC AVA DMUX Hev A because the main input is selected to be an internal generator and therefore always present the card will also display the unreachable levels as The switching is always latching and to get back to the main input while the other input is still present the user must press Heset Note that if the fallback also disappears the module will start searching at the main input again Hold time and lock time can also be adjusted They specify how long a signal can be missing before the next input in the prioritized list is attempted and how long a lost signal has to be present before it is considered OK again respectively 4 3 8 Video generator The video generator can produce several simple signals Color bar Color bar with a moving box Check field and Flat field The flat field feature is controlled by setting the luma and chroma values each is a 10bit value 0 1023 or by selecting one of the pre defined colors black white yellow cyan green magenta red or blue By def
17. ard operates as an SD frame synchronizer embedding can be globally disabled The effect is to leave the SDI stream unaltered except for repeated or removed video frames 4 3 16 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 See chapter 4 3 6 Relative audio delay nevion com 27 DAC AVA DMUX Rev A 4 3 17 Audio cross point matrix The audio cross point matrix is a 10x10 cross point with inputs and outputs as shown in Error Reference source not found The 8 de embedded channels a 1 kHz sine and black sound are selectable inputs Black sound is explained in chapter Error Reference source not found The outputs of the cross points are 8 stereo channels for re embedding one analog audio output and one AES output 4 3 18 Audio fallback options The 10 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 embedded channels whereas the audio DAC channel and AES out 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 4 3 19 Audio generator The stereo audio generator is available as an input to the audio cross point matrix and as a fall
18. ault he generator is selected as the video source if there is no video signal present at either of the video inputs The video standard will then be determined by the legal video input last seen by the card The Video format selector has no effect in this mode The generator may also be forced on from Multicon GYDA by selecting the video generator as main input in Video in The video standard is then determined by the Video format selector This selector will override video input but the internal generator will still be locked to the input signal In other words For correct generator output in this mode the input must either be missing or the input must be of the same frequency base as the selected output standard Video generator ideo format 720 50p Pattern EN C Flat 0 Ch o cro Figure 16 Multicon GYDA view of the video generator 4 3 9 Video processing The video processing block consists of a gain and offset adjustment and a video payload legalizer Legalizer On Off l l Y Cb Cr Yingo processing Gain fonon 1 0000 1 0000 Offset 0 0000 0 0000 0 0000 Figure 17 Multicon GYDA view of the video processing block 4 3 9 1 Gain and offset The gain and offset adjustments are done separately for the Y Cb and Cr samples Range Multicon GYDA Luma gain 0 3 9999 Chroma gain 0 3 9999 Luma offset gain 21 511 75 511 75 in sample values Chroma offset gain 1 255 75 255 75 in sample values
19. back 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 4 3 20 Audio processing block The output of each stereo signal from the audio cross point matrix may be manipulated in the audio processing block LL RR LR RL LR L R L R 2 MS The stereo signals may be output in one of the following ways LR Left Right Normal 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 4 3 21 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
20. can be found on the very bottom of the configuration page for the module To navigate between the information page and the configuration page press the i symbol and the wrench symbol respectively Each new input format or feature has its own order number in the price list Card version FPGA 1 74 SW 1 00 Serial 1270109876543217 QFa Wwe e Figure 5 Where to find the serial number 4 The customer will receive a software key from Nevion The key will be in the form of the string optn O plus six groups of up to 10 digits Like this but with different numbers optn 0 1234567890 123456 890 1234567890 1234567890 1234567890 1234567890 This software key is linked to the serial number of the module and must be sent to the module via the debug terminal in Multicon Gyda To access the debug terminal hover the mouse over the cog wheels and select Debug terminal from the drop down menu See figure Figure 6 below Multicon P B 0 Maintenance Date and time SNMP Debugyerminal DAC AVA DMUX R Figure 6 How to get to the Debug terminal in the current Multicon version In previous versions of Multicon the user must first select Config in the top menu and then press Debug terminal see Figure 7 and Figure 8 below nevion com 7 DAC AVA DMUX Hev A Multicon GYDA ALARMS LOG i MANUALS ABOUT Multicon GYDA 1 mm KS iim Figure 7 Step one to access the Debug terminal in the previous Multicon
21. cesses and reports the EDH package without changing it in the video stream 4 3 12 Signal integrity The DAC AVA DMUX module can detect a number of errors in incoming video and in some cases also correct them Each type of error has its own bit in what is known as an error mask and the user can select which of the errors will be ignored and which will be counted in the error counter This error counter is in turn the Multicon tool to raise alarms if the maximum error rate is exceeded The types of errors that are detected and counted are shown dynamically on the module s Information page Max error rate 10 errors s Max error count 250 errors Alarm hold time leo s Y Error mask APV FFV NO EDH VS FF CRC AP CRC LOCK CCS YCS CCRC YCRC LNUM SAV EAV Count s IG IO fe ger fer fe IG s o w fe Ignore C C C LEM EM C C ee Signal integrity Figure 19 Multicon GYDA view of the signal integrity block The error types that the module can detect are NO EDH No EDH flags detected VS SMPTE 352M package and the video frame are not consistent FF CRC Full frame checksum error AP CRC Active picture checksum error LOCK Can t lock to incoming video standard CCS YCS Checksum error in ancillary data packets Y or C data space CCRC YCRC Line checksum error Y or C HD only LNUM Unexpected line number sequence HD only nevion com 26 DAC AVA DMUX Hev A SAV Unexpected occurrence of Start of active video flag EAV Unexpected occurre
22. d kept powered for a minimum of 10s to complete the reset The reset will only affect settings not pertaining to DIPs and the rotary switch This DIP is only read at power up OVR is short term for GYDA override Set DIP 15 to on and reboot the card The Status LED will now stay orange and the card will not complete the boot sequence nevion com 19 DAC AVA DMUX Hev A Remove power and set DIP 15 back to the normal position off Power up the card once again 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 this requirement could result in an incomplete reset and require the user to start the factory reset sequence over again 4 2 2 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 front of the board The push buttons labeled INC and DEC are used to fine adjust the phase delay by samples It can adjust video line for the current video standard o
23. he table below covers only those bits Full height 4 3 framed to be 14 9 safe Note the occasional 8 in the first column above It stems from the fourth aspect ratio bit a parity bit over the first three 4 3 2 De glitcher The de glitcher corrects timing errors within a single video line The de glitcher has a 2048 samples buffer When the first signal is present we call it the initial phase signal data is taken from the centre of this buffer If the timing reference of the video signal changes nevion com 21 DAC AVA DMUX Hev A when for instance a new source being switched into the signal path the timing errors occurring by this change will be corrected if the new timing reference is within 1024 samples of the initial phase signal This also goes for all consecutive timing references If a signal is more than 1024 samples off relative to the initial phase signal the output will repeat the last frame refill the 2048 samples buffer and take out data from the centre of the buffer This new signal is now considered the initial phase signal Audio will fade out when a frame repeat is being done and fade in at the new frame Hence it produces an error free video output without frame wrapping when the video input comes from a router with synchronous input video signals that all lies within 1024 samples of each other The de glitcher output is always seamless When a signal is repeated the audio is faded
24. le is 8 3 W of which 4 8 W are drawn from the 5 V supply 2 7 W are drawn from the 15 V supply and 0 8 W are drawn from the 15 V supply These numbers include 0 4 W from the 5 V supply for the optional optical input module and the calculation of how many modules can be powered by a single power supply can thus be based on 4 4 W for the DAC AVA DMUX and 4 8 W for the DAC AVA DMUX R Note that the module will draw its power from multiple supply voltages When calculating the number of modules that can safely be used in one frame it s important to consider each supply voltage separately for the power supply in question In general there will be no load sharing between the supply voltages and the number of modules will be limited by the worst case result from the individual calculations Example calculation with 75 W power supply limited to 9A on 5 V 45 W and 1 A each on 15 V and 15 V 15 W each 45 W 4 8 W 9 15 W 27 W 5 15 W 0 7 W 21 The 15 V output of this power supply will thus limit the number of DAC AVA DMUX R cards to just five even though the 5 V and 15 V could handle more 3 2 Physical connections lel Figure 10 The cable side of the backplane DAC AVA DMUX C1 The backplane for the DAC AVA DMUX is labeled DAC AVA DMUX or DAC AVA DMUX R depending on the type of module it was sold with It is designed to be fitted in a Flashlink frame and to take up a single slot
25. me Sync mode see chapter 4 3 4 Hence the internal clock will be locked to the sync signal and the delay will again change NOTE This will result in a frame roll as the delay changes 4 3 6 Relative audio delay An audio delay relative to the video output can be specified for all de embedded channels at once This is done in Multicon GYDA The audio delay is specified in audio samples relative to the output video and can be both positive and negative The negative audio delay is limited by the positive video delay nevion com 23 DAC AVA DMUX Hev A Note that as the audio delay is relative to the video output its possible to specify an audio delay that will be an actual negative delay i e request that audio will be output before the video containing those audio samples has arrived This will inevitably cause audio errors Since the audio delay is always relative to the video the only way to give the audio a negative delay is to delay the video by a positive amount To go beyond this limit would require the audio to be re embedded before it had even been de embedded from the incoming video and that is of course impossible The positive audio delay is limited by the fact that the sum of the video delay and the relative audio delay cannot be larger than 32000 audio samples approx 0 67 ms with 48 kHz audio If the video delay is set to minimum the full 32000 audio samples will be available but if the video delay is set to
26. nce of End of active video flag 4 3 13 Label generator The label generator consists of 2 lines of 16 characters each that are placed at the lower left corner of the active area The On tick box will show the label at all times while the Off will turn the label generator off at all times If Auto is ticked the label will be shown as an overlay on the internal video generator only Typically the internal video generator will be used as a fallback for the physical video inputs and hence this feature provides a means to identify the card with the missing input in a long chain of cards Note that in order to see the label on an output the video output selector must be set to Processed for the output in question Enable Disable Auto Label generator VIDEO LAB EL Figure 20 Multicon GYDA view of the label generator The label can be shown in black or white and in two different sizes One of these four combinations can be selected as the Style for the label 4 3 14 Audio overview amp audio video adio De Pairs Audio Audio deo embedder Fracessing Embedder alls 2HAL aisi Ww punos Haeg ow Dew FW EH UT ENIM Analogue l DAC Audio Fracessing AES buffer Figure 21 Audio function block 4 3 15 Audio de embedder The Audio de embedder extracts all audio embedded in the video stream The de embedder is always enabled when the input is HD When the input is SD and the bo
27. nd also the commands necessary to initiate and perform firmware upgrades 4 2 Detailed control in DIP switch mode The two sets of DIP switches are labeled with a number running from 1 to 15 The 16 DIP is labeled OVH 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 9 Default settings as delivered from factory should be all DIPs in the Off position The module will then be under Multicon Gyda control see description of DIP switch 16 below Table 4 DIP SWITCH FUNCTIONS Switch Function name _ Function DIPs 1 SDI OUT 1 Off processed mode In through mode the On through mode video goes through a re clocker only SDI OUT 2 Off processed mode In through mode the On through mode video goes through a re clocker only Frame delay DIP 3 4 Off Off gt 0 frames These 2 DIPs control DIP 3 4 Off On gt 1 frames the Frame part of the DIP 3 4 i Off gt 2 frames video delay For line DIP 3 4 On On gt Previous and samples setting preserved settings see chapter 4 2 2 below Previous setting preserved With DIPs in this position before the module is booted into manual mode the module will keep the previous value set by Gyda Off Off gt CVBS These two DIPs Off On gt YPbPr choose video DAC On Off gt SVideo output format for SD On On gt RGB output Analog HD is always YPbPr SD video DAC Off PAL B G NTSC
28. nevion DAC AVA DMUX SD HD video DAC with optional frame synchronized SDI outputs User manual Rev A Nevion nevion com DAC AVA DMUX Hev A 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 866 515 081 1 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 Rep Date Sign Changedescrption a a ee es NN a a ee es C ee E a a sy ss a a a es a E a E e a a es E o o A 20131015 TB Initalversion X nevion com 2 DAC AVA DMUX Rev A Contents PAC VISIONS ORY MEO ETE mU mU 2 del re KC1 Pee RN m D m T mI 5 ga Dar aware DIOGUCIS ensi stis nt rn ere ree ee 5 DZ VON Ae ol oog 5 1 2 1 How to apply a software key that enables new options nnen ennn 6 2 SDeCCIICAIONS 3 micis o ds v eus da Rei Riser eee eee 10 SHOW TO Gel SLANG EO E OL LER 13 S LITPOWOITOOEUIFGITISE IS coacta dte ute iaceat tenten utt dels ana eden 13 3 2 TITY SICAL CO TNS CLIO IS kenene a 13 2 3 What trie LEDS MEAN cen iie EE Meine bns costes dis mex ieu dada teen iM em 15 3 3 1 Exceptions special conditions for the LEDS ann oa
29. nneen eneen enenen eenen enne vennen 15 3 4 Selecting between Gyda mode or Manual mode an oannsnenen eenen venenen 15 3 5 A very brief guide to Multicon Gyda mode set up aan enen enen en ven eneen eenen 16 3 6 How to get back to factory delaullS 5 etos EL ERE EIE RUE LIESS bie als 17 A c ahi e igs l a mee EUR 18 4 1 Selecting between Gyda mode or Manual mode nnn eernen serene eenen 18 4 2 Detaled control In DIP SWIC NOOO sui edunt beum eo nie p qut toph eed 18 4 2 1 Factory reset TM CUO AREE D m 19 4 2 2 Rotary switch and push buttons aa ener nnn nns 20 4 2 9 Ie SMCI Snert 20 4 3 Detailed control in Gyda mode ann ven en enne venen eener enen venen ennerenen venen ennenenenen 21 4 9 1 MOC DAG antenne ee LAM M 21 a EED Ie NES AT 21 Ao o Frame SVMIGMTONIZC I a a EI EL ELIT 22 4 3 4 Frame synchronizer in Frame sync mode nonnen enen neneennvenerenrenerenreneneneenn 22 4 3 5 Frame synchronizer in Frame delay MOde ccccccceecsecceeeceececceeeeeeceeeaeeseeeaeesaes 23 443 6 Relative AUDIO Gela cies i pelea oos sito terete Deve dte uta ade Dow te bere ute a ous ute DD ewe Dun 23 Al NICO MOU SSIS CH OM ass tacers castes m isting ita win erste siping EUREN ERU MER ERU MA mained 24 4 3 8 Video GOMCl ALON viens T m 25 2 3 9 Video DFOCOSSIFHO Gsussadicisscuasdlstatsadiciss a els una das dl iua das dl ia
30. o the DAC AVA DMUX module in question by first 2 pressing the frame symbol and then pressing the icon for the DAC AVA DMUX In the example picture below two such modules are present in the same frame and the one in slot 1 has been selected E T Te en Figure 2 A frame with two DAC AVA DMUX modules Check which features are already enabled in the module At the bottom of the information page that is now shown will be a line that says Purchased features which lists the enabled input formats whether the SDI outputs are enabled and finally whether the AES analog audio outputs are enabled or not In the examples shown here all optional features are already enabled and no further upgrades are available Purchased features SD Yes HD Yes SDI Yes Audio Yes Figure 3 How to see purchased features new Multicon Gyda Older versions of Multicon Gyda cannot display the line Purchased features properly the words SD HD SDI and Audio will be missing nevion com 6 DAC AVA DMUX Hev A Purchased features Yes Yes Yes Yes Figure 4 How to see purchased features older Multicon Gyda If for instance HD should say No this feature can be purchased as a software key upgrade 3 If the customer decides to buy a feature upgrade Nevion will need both the serial number of the module to be upgraded and a list of the new features the customer wishes to purchase for it The serial number
31. ons by Nevion which are available on the company web site www nevion com nevion com 31 DAC AVA DMUX Hev A 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 AB FX TES sn K m Zr REK SR KR Part Name Lead Mercury Cadmium Hexavalent Polybrominated Polybrominated Pb Hg Cd Chromium biphenyls diphenyl ethers Cr VI PBB PBDE DAC AVA DMUX DAC AVA DMUX R O Indicates that this toxic or hazardous substance 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 T11363 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
32. ot status embedded in three audio groups programmed or incoming video groups embedded in DIPs 14415 both embedded in incoming set to the On incoming video position video Table 3 LED states and what they mean 3 3 1 Exceptions special conditions for the LEDS The ocate command will make all four LEDs blink on and off synchronously to quickly identify the module in a larger installation The operation of the card is not otherwise affected by the command only the appearance of the LEDs will change The LEDs will return to their normal states and functions after the special locate condition times out FPGA firmware upgrades will activate running lights after the firmware download has finished Do not remove power to the card when running lights are active the card is unpacking and installing the new firmware The DAC AVA DMUX will automatically reboot after a successful upgrade and the LEDs will then also return to their normal functions 3 4 Selecting between Gyda mode or Manual mode The board can be configured either either manually i e via DIP switches on the board itself or via the system controller Multicon GYDA Since there s a limited number of switches available compared to the total number of settings available for the module only a subset of the parameters can be adjusted when operating in manual mode Generally the parameters that cannot be directly controlled by the DIP switches will take their settings from the pre
33. r the last video standard the board was able to lock to Pressing a button and keeping it pressed will accelerate the change The LED agjacent 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 2 3 Slide switches The two switches at the top of the module rear side switch between AES out and Data out It DC couples the output signal when in DATA out mode and AC couples the signal when in AES mode Note that to enable Data link output on the AES connector it is also necessary to set DIP 8 to the Off position when the board is in Manual mode DIP 16 On or when the board is in Gyda mode DIP 16 Off to select Data link over AES output in Gyda Slide switches moved to the right routes out AES The switch on the left card edge switches between backplane sync input and Flashlink distributed sync Future feature upgrade of Flashlink frame Switch moved up routes the backplane sync to the card P i 11111111 11111111 OEFENEN FH TITITIT EEEN 133313111310 FIF IFTE Figure 11 The figure shows a bottom view component printout of the board Note the location of the slide switches nevion com 20 DAC AVA DMUX Rev A 4 3 Detailed control in Gyda mode 4 3 1 Video DAC The video DAC has three
34. rame delay mode see chapter 4 3 5 NOTE This will result in a frame roll as the delay changes If sync input reappears Given that a stable SDI input exists If the sync signal reappears the delay mode will change back to Frame Sync mode Hence the internal clock will be locked to the sync signal and the delay will again change NOTE This will result in a frame roll as the delay changes If both signals disappear The picture will first freeze for hold time and then go to video generator The output is now referenced to the local clock source However this clock source will be kept within 1 ppm of the last sync source 4 3 5 Frame synchronizer in Frame delay mode In this mode a sync signal is not present The phase delay will now be relative to the SDI input The phase delay additional frame delay together set the total video delay If video signal disappears The picture will first freeze hold time and then go to video generator The output is now referenced to the local clock source However this clock source will be kept within 1 ppm of the last video source If video signal reappears If the input video signal reappears the video will reappear on the output ock time after stable input video The delay will be set to the same delay as before losing input NOTE This may cause a frame roll If a sync input appears Given that a stable SDI input exists If a sync signal appears the delay mode will change to Fra
35. rnal fallback generator Here this generator is set to produce just black video frames If the module was purchased with the optical input option the setup could either be like above or most likely the Optical input would take the place of the Electrical input in the illustration above Alternatively one input could serve as a backup for the other with a final fallback to generator as illustrated below Mode Auto Main Optical T Video in Backup 1 Electrical Backup 2 video gen Latch Reset Hald time soo ms Lock time soo ms The rest of the settings on the configuration page either deal with setup of the frame synchronizer or with the selection of formats for the module outputs See chapter 4 3 7 for more detailed description of all the available options Once the input is taken care of the output should be configured The video DAC has three BNC outputs that can be configured to have these combinations for SD output CVBS CVBS CVBS CVBS Y C Y Pb Pr R G B When the output is HD the output setting will be overridden and the output will always be Y Pb Pr For CVBS and S Video the following modulations are available PAL B G NTSC PALM PALN The board can handle 50Hz based input signals as well as 60Hz based with and without pull down but it can t convert a 50Hz based input to a 60Hz based output and vice versa The modulation setting is therefore split in two one to select between N
36. say 5 frames the maximum relative audio delay is reduced to 20000 audio samples assuming 25 frames per second 5 frames equals 0 2 seconds which in turn equals 12000 audio samples and 32000 12000 20000 When doing these calculations remember that if a sync reference is present a video delay setting of N frames means that the actual video delay can vary continuously between N and N 1 frames The calculations should therefore be based on N 1 frames Relative audio delay o samples Figure 13 Multicon GYDA view of the relative audio delay setting 4 3 7 Video input selection The DAC AVA DMUX has one electrical and one optional optical input The input can be chosen either by an automatic selection with priorities and rule of switching or by direct manual selection When the input selection is done manually from the Mode menu no fallback to other sources is available but there will be a frame freeze for as long as the input is gone Manual selection mode a Main Electrical hd Video in Backup 2 Latch Reset Lock time zoo ms Figure 14 Multicon GYDA view of electrical input selected manually Automatic selection mode Mode Auto Main Y Video in Backup 1 Electrical Latch Reset Hold time soo ms Figure 15 Multicon GYDA view of the input selection If the Video in Mode choice is set to auto in Multicon GYDA three input choices priorities can be made The available choices are electric
37. th built in frame synchronizer optional SDI outputs and optional audio and data outputs At the heart of the DAC AVA DMUX is an HD SD frame synchronizer with an adjustable delay relative to the sync signal The module accepts black amp burst or a tri level signal from the frame The DAC AVA DMUX also has a de glitcher to give error free synchronous switching A set of configurable analog video outputs and two optional SDI digital outputs are provided The audio embedded in the HD SDI or SD SDI stream is de embedded and can be delayed relative to video Each audio channel can be swapped in an audio matrix before they are re embedded in the SD SDI data output stream It is also possible to turn embedding completely off and leave the SDI stream unaltered 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 system controller HD SD Input Optical p Reclocker k HD SD output HD SD Input serialiser X point p HDISD output Electrical De De Frame Re Video glitcher embedder buffer embedder DAC Analog video outputs CVBS CVBS Y G Re CVBSICICHR Sync input Audio rec Stereo Audio i rocessing DAC Analog output Digital Audio output Figure 1 DAC AVA DMUX R block diagram 1 1 Hardware products Two hardware versions of the DAC AVA DMUX exist DAC AVA DMUX
38. vious Multicon GYDA session This means that for a specific manual setup it may be necessary to configure the module with a Multicon GYDA before switching to manual mode To reach manual mode the lower DIP labeled OVR on the module must be switched to the On position to the right and the board must be re booted This isolates the board from Multicon GYDA control but the module will still accept commands to retrieve its status and also the commands necessary to initiate and perform firmware upgrades nevion com 15 DAC AVA DMUX Hev A In addition to the DIP switches manual mode will also activate the rotary switch and the two push buttons at the front of the module These are used to control the phase delay for the sync pulse generator 3 5 A very brief guide to Multicon Gyda mode set up All of these settings are covered in more detail in chapter 4 3 Detailed control in Gyda mode These are just the most important settings to get started Arguably the most important setting is where to take the input from If the module was purchased with the electrical input only this would be a good starting point Made Auto Main Electrical Y Wideo in Backup 1 Video gen Backup 2 Latch Reset Hald time 500 ms Lock time sao ms What this means is that the electrical input will be chosen whenever a signal is present and if a signal is not present the output will frame freeze for 500 ms before resorting to an inte
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