AV-3G-XMUX User manual
Contents
1. Lei Ce oO o _GPI DATA SOI o p O o 0 0 whevion Figure 8 AV 3G XMUX C3 4 1 Summary The C1 is the standard backplane connector module with BNC video electrical inputs and outputs A 25 pin d sub type connector is provided for the AES3 audio inputs and outputs The pin configuration used is the industry standard DA 88 type so that commercially available snakes may be used The AV 3G MUX C2 is a double width backplane connector module with all BNC audio and video electrical inputs and outputs available It is also the only backplane with dual optical options The audio connections follow the AES 3ID recommendation The AV HD XMUX C3 is a single width backplane connector module with 4 BNC audio ports and video electrical inputs and outputs One optical option may be used with this backplane The audio connections follow the AES 3ID recommendation It allows enables the use of the Flashlink N box with AES on BNCs AV 3G XMUX C1 standard backplane 1 optical balanced AES3 AV 3G XMUX C2 double width 2 optical 8 BNC AES 3ID connections AV 3G XMUX C3 1 optical 4 BNC AES 3ID connections nevion com 19 AV 3G XMUX Rev 1 4 2 Audio connections DB25 O H NQ J Di oe SO SC Os 17 1 O OO 45 5 16 OO O 3 e ae ee ee i 1411 8 O OO 9 00 de Sds ee2. 3 1 3 Assigning the audio generator It is assumed that the hardware switches will be used when the configurations are relatively straightforward but there are times when it is useful to use the internal tone generator as a source This may be done by routing the destination to the corresponding direct source Examples 1 embedder 1 from de embedder 1 2 AES 1 amp 2 from AES 1 amp 2 also not possible This is not very intuitive and is mostly meant as an engineering debugging aid 3 2 Other DIP Switches Remember the switch settings are only read when the module is powered up The three switches SW3 1 3 are always read The other switches are only used if SW3 1 is on 3 2 1 DIP config mode SW3 1 SW3 1 on the DIP switch configuration is used If there is a GYDA present the switch configuration on the module will also overwrite the configuration stored in the GYDA controller SW3 1 off will not use the DIP switches for routing The module will be configured from either the stored configuration in the module or from GYDA if there is GYDA present The configuration is stored when a GYDA configuration command is used Therefore if a GYDA is present the internal configuration may be overwritten by the GYDA controller The DIP switches control the routing and a couple of other important settings Other stored settings such as data embedding audio mixer and generator settings will always be used nevion com 12 AV 3G XMUX Re
3. Figure 9 D sub 25 audio connector wiring 4 3 Data GPI connections Brown 7 Pair Green Blue Pair3 N Pair 1 sho Tesla orla oo Orange Pair2 Figure 12 Pin layout Pin number Description Status No Video signal Laser failure Laser defeat RS485 422 output RS485 422 output RS422 input RS422 input Ground O Ni 01 BjO N nevion com 20 AV 3G XMUX 5 Operation AV 3G XM UX Status gt Input AES 1 4 gt AES 5 8 Figure 10 LED overview Text not printed on the front panel Each module has 4 LED s The colors of each of the LED s have different meanings as shown in the tables below 5 1 Front panel LEDs Rev 1 Diode state Red LED Orange LED Green LED No light Status PTC fuse has been Module has Module is OK Module has no triggered or FPGA not been power programming has programmed failed or laser has failed or is killed Input Video signal Electrical Optical video Module has not absent video signal signal Present been programmed present AES 1 4 AES 1 2 3 and 4 Some of AES AES signals Module has not SW3 2 off not present 1 2 3 and 4 1 2 3 and 4 been programmed p
4. nevion AV 3G XMUX Digital audio embedder de embedder User manual Rev 1 AV 3G XMUX Rev 1 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 1 0 2011 10 20 AJM Changed optical overload 0 2011 08 25 MDH Initial revision nevion com 2 AV 3G XMUX Rev 1 Contents PROGUCT OVEN EE 4 n Extra SG ee EE 5 io SIGA HO a ere See a ee Peter ye eee yey are ae ee a ani ear qa 5 Wes Dala signal ssa a a sal Lud tite tacar atos 6 2 Specifications nana sr a A O ain ta ia hin hoa AN O E 7 2 1 Measurement conditions cccccccccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeeeeeseeeeeeeseeneegs 7 Ze Generale E 7 2 3 Processing EE 7 ZA MMOS seann e AE AE O Eege 8 2 OUIQUIS e a e cane ges Ee EE Ee E Handel EE E 9 SO COMING FANON EE 10 SL DIP Switch ENTREE resna n ees ee EE e me Net 10 3 2 Other DIP SMILES herren n a EE AER 12 3 3 DIP configuration ereatuplee iere RES eked ceived da
5. Ohrbom Position QA Director Nevion Europe authorized signature Nevion Europe AS P O Box 1020 3204 Sandefjord Norway Not applicable AV 3G XMUX T R HD SD digital audio embedders and de embedders LVD 73 23 EEC EMC 2004 108 EEC EN 55103 1 1996 EN 55103 2 1996 Notified Competent Body Not applicable 2011 AUTHORIZED REPRESENTATIVE Established within EEA Not applicable Nevion Europe P O Box 1020 3204 Sandefjord Norway Tel 47 33 48 9999 Fax 47 33 48 99 98 www nevion com Report no Date of Issue 2011 08 25 Place of Issue Sandefjord Norway
6. enough switches on the module to allow full stereo routing configurations Groups of four channels are routed together as units for example AES channels 1 amp 2 embedded audio group 1 The routing is controlled with the two first DIP switch blocks SW1 and SW2 which are at the top of the module closest to the handle Each routing set is controlled with four switches 1 switch controlling the direction destination and 3 switches for the routing The other configuration options are set in the third DIP switch block 3 1 1 AES direction destination selection The 1st switch in each set of 4 controls two things 1 The direction for 2 AES ports 2 The routing destination for the 3 switches Up or on means e The AES ports are inputs e The routing selects the source for an embedder group Down or off means e That the AES ports are outputs e The routing selects the source for AES outputs For Example When SW1 switch 1 is ON e The module will embed into group 1 and AES 1 amp 2 are inputs e The next three switches 2 3 and 4 control which source will be embedded into group 1 If SW1 switch 1 is OFF e The module will NOT embed group 1 and AES 1 amp 2 are outputs e The next three switches 2 3 and 4 control which source will be routed to AES outputs 1 amp 2 This pattern applies to all the switches of SW1 and SW2 SW1 SW2 1 2 4 route to 5 6 8 route to 1 2 4 route to 5 6 8 route to ON Emb Group 1 ON Emb Group2 ON Emb Gro
7. 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 25 nevion EC Declaration of Conformity MANUFACTURER AUTHORIZED REPRESENTATIVE Established within the EEA MODEL NUMBER S DESCRIPTION DIRECTIVES this equipment complies with HARMONISED STANDARDS applied in order to verify compliance with Directive s TEST REPORTS ISSUED BY TECHNICAL CONSTRUCTION FILE NO YEAR WHICH THE CE MARK WAS AFFIXED TEST AUTHORIZED SIGNATORY MANUFACTURER Lam N Es gga 201 NNA ees Name Thomas
8. 2 AES344 6rp2 De embed3 AESSt6 6rpa De embed4 nes7es erp4 P Disable SRCS Grou Pe se Figure 3 Example 1 The module above is set to de embed all 4 audio groups nevion com 14 AV 3G XMUX Rev 1 dl SW41 c mn SW2 Dem To On gt gt SW3 cor e De embe AES1 amp 2 G6rp1 De embed2 RESa44 Grp2 De embed3 AESSA6 Grpa De embed4 AESZ amp 8 Grp4 h Group mode Disable SRCS Group Remove No fallback gen EDH insert 24bit SD KE Figure 4 Example 2 The module above is set to embed all 4 audio groups It becomes more complicated if complex routing is required because the embedding of each group can only be done in one place E G embed group1 can only be controlled with SW1 1 4 Route these first then use the unused switches to set up the de embedding L esks Em ET Em es i SW1 Ges E jm e EE KH CR E op SW2 lo e E E E cor a lo cor Mm o wmn me A BARDEN ha Dq vou TUDOS v oa a pa a c SR don 0 amp o ros C ES EO E Oe G o Var oN 6 gt Ts Gs Go ary a VN NT NON o S435 E Ca CC a Cd C o SSES va vo o D o fe Deo nam o oO oO D xonon a a a a U SE D Ly W D 3 632 T T T T arco oO Bop o Sr ES em mg az T 2 lations Figure 5 Example 3 The module above is set to e Embed group 1 from AES 1 amp 2 e Embed group 2 with de embedded group 1 ie move group 1 to 2 e De embed gro
9. MUX has only 4 embedders so the group routing is only possible on either the low conventional groups or the high 3G groups 3 4 4 Audio generator The stereo audio generator is available in the audio router as a source It 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 RP 155 3 4 5 Video generator The video generator has several simple signals Red Green Blue or Black full field Color bar 100 white 75 colors no set up level Color bar as above with moving black rectangle The black rectangle turns to grey when the left audio tone is muted every 3 seconds This may be used to help adjust timing errors between audio and video The generator may be used as the video source if there is no video signal present at either of the video inputs The generator may also be switched on with GYDA This will override video input but the generator signal will be locked to the input The video standard of the generator may be set with GYDA but only if there is no video input present nevion com 16 AV 3G XMUX Rev 1 3 4 6 Label generator The module has a label generator which can either generate up to two lines of 16 characters or display ATC time code The generator may be set to On Off or Auto The Auto setting switches the label on whe
10. available in the audio matrices main and mixer The mixer may be used for mono routing or down mixing or even filtering and basic reverberation 3 4 2 RS422 Data port configuration The RS422 data backplane input must be configured with GYDA The baud rate data length parity and stop bits must be configured if UART mode is used The router destination where the data is to be embedded must be set up and the source channel containing the received data that will be output on the backplane must be also be configured See section 3 5 3 4 3 Transport and shuffling of audio groups The AV 3G XMUX stereo audio router involves de embedding buffering and re embedding which introduces a small delay relative to the video signal The group router is used to avoid this extra delay Groups that only pass through the group router are re embedded in the same video line This avoids any extra delay and means that incompatible audio formats asynchronous audio 96 kHz audio may still be transported The AV 3G XMUX automatically uses transport mode whenever possible when controlled with the DIP switches Shuffling of groups is when existing embedded audio groups are re assigned to different groups Copying of groups is also possible i e Group 1 may be transported to Group 1 and duplicated to Group 2 This function also takes place in the group router which means that there is no extra delay There are 8 possible groups with 3G video but the AV 3G X
11. ge Maximum current Rev 1 1 BNC 9 125um Single Mode SC UPC 1310nm 40nm FP semiconductor laser 5 dBm gt 5 1 1270 1290 1310 1330 1350 1370 1390 1410 1470 1490 1510 1530 1550 1570 1590 1610nm 6nm DFB semiconductor laser 0 dBm gt 8 1 ITU G694 1 100GHz raster DFB semiconductor laser 0 or 3 dBm gt 10 1 Up to 8 48 kHz 110 ohm transformer balanced 25 pin D sub 75 ohm unbalanced BNC 1 8P8C Modular jack RJ45 Status good no video input lock laser failure 8P8C Modular jack RJ45 Open drain transistor with free wheel diode 100 V 150 mA nevion com 9 AV 3G XMUX Rev 1 3 Configuration The XMUX embedding core has five main configuration elements Operating mode 8 AES ports which may be used as outputs or inputs 30x16 stereo audio router 4x4 group router oR ON a 8 channel mono audio mixer Future firmware The AV 3G XMUX has two main operating modes e Small Traditional 4 audio group embedder Embedding and de embedding of audio groups 1 to 4 Extra 3G audio groups in a signal will still be transported e Large Access and configuration of extra 3G audio groups De embedding of all 8 groups Embed to either groups 1 to 4 OR groups 5 to 8 The non embedded groups are always transported The inputs or sources in the stereo router are from the de embedded audio groups the AES inputs the mixer outputs and the two built in generators The stereo router
12. he configured channel De embedded data is output on the RS485 backplane output 1 3 2 Embedding Two things must be configured for embedding data 1 The data format to be received on the backplane connector 2 The audio signal s to embed data into The channel status C bits of the channels are also overwritten nevion com 6 AV 3G XMUX 2 Specifications Rev 1 2 1 Measurement conditions Audio Sampling rate Ambient temperature 2 2 General Power Control Monitoring EDH CRC processing Boot time Audio inputs and outputs Electrical Video inputs and outputs Optical video inputs and outputs Data input and output 2 3 Processing 48 kHz 25 C 5V 4 3W DIP switches or GYDA system controller Front panel LEDs GYDA system controller and GPI Full Received flags are updated new CRCs are calculated 1 second Conform to AES3 2003 Conform to SMPTE 424M 2006 Conform to SMPTE 297M 2006 Conform to EIA RS 485 Video latency is variable due to the de glitcher but the values below apply when the video signal is first applied Other latency values are maximum values 2 3 1 SD latencies Video Audio embedding Audio de embedding Embedding GPI mode Embedding UART mode De embedding GPI mode De embedding UART mode 2 3 2 HD latencies Video Audio embedding Audio de embedding Embedding GPI mode Embedding UART mode De embedding GPI mode De embedding UART mode de
13. ixed video format line will be predictable If the module is to be used to embed the extra 3G audio signals then it will transport the normal 4 audio groups transparently If SD or HD video is then fed to the same embedder the embedders will be disabled De embedding from the normal groups will be performed as before 1 2 Signal flow Video may be presented on the optical or electrical inputs The module will switch to the other input if the module can not lock to a signal The video is re clocked and transformed to parallel video The parallel video goes into a line buffer which is used to de glitch the video when switched on the correct line No errors are flagged or produced when the video is switched on the appropriate switching line All ancillary data including embedded audio is extracted from the video signal All the packed data is sent to the group router The de embedded audio is sent to the stereo audio cross point router The AES audio inputs are initially connected directly to the audio router Sample rate converters are inserted if there are sample slips and the signal is not a data signal The use of the sample rate converters may be disabled See chapter 3 Four of the router sources are from the audio mixer Each mixer mono output is the sum of four mono inputs Each input may be any of the router source signals Each of the four input signals has a level fader Each of the eight mono outputs may be delayed by up to 2 5s nevi
14. ll always be transported 3 2 6 Fallback generator control SW3 6 This switch is used to control the outputs when the input signals are not present On The Video output will be disabled if the input signal is removed The AES outputs will be disabled if the source routed to that output is not present The input presence of the AES signals is embedded in the embedded audio data packet so that an upstream AES input failure will disable an AES output which uses that embedded audio To summarize An AES input at an embedder input will control the muting at the output of the de embedder Off The internal video generator will be used as an input until a valid video signal is detected on one of the inputs The AES outputs will always be on but the signal will be silent if the source is absent 3 2 7 EDH insert SW3 7 SD video output from the module will contain an EDH packet if this switch is on 3 2 8 24 bit SD SW3 7 SD video will contain embedded audio with a word length of 24 bits if the switch is on SD video will contain embedded audio with a word length of 20 bits if the switch is off 3G HD video will always contain embedded audio with a word length of 24 bits 3 3 DIP configuration examples Routing by the DIP switches is easy if all the AES port directions are the same dl SW41 E4 e De embe AES1 amp 2 6rp1 mm am SW2 LR EI cor On gt gt SW3 Remove p No fallback EDH insert 24bit SD De embed
15. n the AES inputs when needed Make mono mixes of four signals Have optical laser output including DWDM Have optical input including APD Transport asynchronous serial data Generate video and audio signals including on screen label generator De glitch correctly synchronized switched video The module has two main processing blocks One processes the video stream and the packet data the other processes the audio The packet processing core forms a group router which can route embedded audio between groups without any extra delay The AV 3G XMUX audio core is an AES3 audio router The received embedded audio and the AES3 inputs are the sources in the router The embedded output groups and AES3 outputs are the destinations This feature may be used to perform stereo channel swapping An eight output mono mixer is integrated into the stereo router Each mono output is the sum of four signals via faders A delay line is also available on each of the mixer outputs with a delay of 2 5s The sources to the mixer are the same sources as in the stereo router The outputs from the mixer provide four extra stereo sources in the audio router nevion com 4 AV 3G XMUX Rev 1 There are 8 AES ports and each may be used as either an input or an output The sample rate converters may be inserted by the module when needed or the user can disable them Data signals such as Dolby E will always be embedded transparently without using the sample rate c
16. n the video generator is active 3 4 7 Time code display The label generator may also be used to display the value of ATC time code in the video It then replaces the text label The auto setting then has a special usage as the time code is not visible when video is present The time code reader is active and the value displayed when the input video is removed is the last seen time code 3 4 8 Video input switching The default mode of operation is auto switch between the optical and electrical inputs when the optical input is present The module may be configured to either use the internal generator or to switch off when no video is detected on the inputs The video generator may be selected to override the input video picture The input video will decide the timing of the output video and any embedded packets will still be used by the module Only the picture will be overwritten Upstream video switching will cause glitches in the digital video The module will remove these glitches if the switch occurs on the correct video line for the standard in use The input buffer is two video lines of the longest standard and starts in the middle Subsequent switches will be transparent if the new signal is within a line from the original video There will be a glitch on the output if the new video phase is outside of this range The buffer will be re aligned to the middle with the new signal phase 3 5 Data transmission The module can de embed a
17. nd embed asynchronous data An AES3 audio signal user bit channel is used as a carrier Both embedded audio and normal AES3 signals may be used to carry the RS422 data The fiber connection usually only goes one direction so any desired return path must be created by the user with another circuit Return data may be sent over fiber via a link comprising of XMUX embedders D422 or D422 MG modules The return signal may also be carried on a normal copper AES signal The data input works in one of two modes 1 UART Mode The data is checked for correct reception according to the configuration The data words are packaged and sent when present 2 Raw sampling mode The data input is sampled at 93 75 kHz and embedded as a data stream No checking is performed 3 5 1 Data latencies The data channel has a total latency of approximately 900us when using raw sampling Normal data rates of up to 9600 may be used with raw data sampling to have a low latency The latency is 2 6ms when using the normal data encoding due to the block structure of the AES User bits The configuration of the data channel is always stored in the module and used regardless of the GYDA override switch 3 5 2 Embedding The AV 3G XMUX has a RS422 data input for the embedding of control data The mode and other parameters are configured with GYDA The factory default is UART mode 115200 baud no parity and one stop bit nevion com 17 AV 3G XMUX Rev 1 The data cha
18. nnel is encoded in the User bits in an embedded audio stereo signal assigned with GYDA The factory default is Audio channels 1 amp 2 in Group 1 3 5 3 De embedding The audio channel with the data signal to be de embedded must be configured by GYDA as there may be several data channels available The AV 3G XMUX will automatically detect the data channel format when present and output the data on the backplane connector The output driver will only be active when data is output in UART mode i e RS485 The output is always active when raw data mode is used 3 5 4 Limitations 1 The normal UART mode checks the data when receiving and only embeds valid bytes The data format must be correct This also means that a BREAK condition of many spaces will not be detected or transmitted Contact support if this is a requirement nevion com 18 AV 3G XMUX 4 Connections Rev 1 Three backplanes are available for the AV 3G XMUX Audio Optical 14 15 16 47 18 19 28 21 22 23 24 25 000000000000 d O wnhevion a Ke GPI DATA 0900090000000090 I 2 3 4 5 7 8 3 1011 1213 S O q O AES Optical GPI DATA Q iO p 5 oo oOo 0 ED SO CE Wwhevion Q O Figure 6 AV 3G XMUX C1 Figure 7 AV 3G XMUX C2 Optical e AES2 O
19. nt 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 90 non condensing nevion com 23 AV 3G XMUX Rev 1 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 24 AV 3G XMUX Rev 1 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 MUR BS a K G ABMS BRA BRAM Part Name Lead Mercury Cadmium Hexavalen Polybrominate Polybrominated Pb Hg Cd t d biphenyls diphenyl ethers Chromium PBB PBDE Cr VI AV 3G XMUX O O O O O O O Indicates that this toxic or hazardous substance contained in all of the homogeneous materials for this part is below the
20. on com 5 AV 3G XMUX Rev 1 Stereo Audio Matrix LorR Invert Fader Mix Figure 2 Mixer channel block diagram The audio signal is delayed by a few samples during de embedding re packeting the audio and audio processing Signals that pass through the stereo audio router will be delayed by a small number of samples The group router outputs from the de embedders do not introduce any additional delay as the audio does not require unpacking and re packing The embedder core embeds either re packeted audio from the stereo router or the existing de embedded audio as configured in the group router The embedded audio packets are inserted into the video signal together with the control packets and any other packets that were present in the original video signal The video is serialized and output through the cable and laser drivers The AES audio output signals are taken from outputs of the audio router 1 3 Data signal Data signals are transported using the user U bits in AES audio streams The de embedding and embedding is performed in the AES audio router core Any input in the router core may be chosen for data de embedding and any router output may be used to embed data See section 3 5 1 3 1 De embedding The module receives many AES signals and data may be present on any of them The user must configure which AES signal the data is expected to be on The status page in GYDA will show the presence and the type of data detected on t
21. onverters All embedding and de embedding is with synchronous 48 kHz audio The unit may be ordered with optical transmitter and receiver options The laser options range from the standard 7 5dBm 1310nm to the DWDM units The receivers may be either PIN or APD for extra high optical budget The module has signal generators for audio and video for test and line up applications The internal video generator may be used as a fall back source that is used if the both the electrical and the optical input signals fail This allows uninterrupted transmission of embedded audio 1 1 Extra 3G functions The module has two different user interfaces in the Gyda System Controller The Large mode is used if the additional audio in the 3G video signals are used The small mode represents the module in a similar way to the other Nevion XMUX embedders and only shows the traditional audio groups 1 to 4 The other 3G audio groups are still transported through the module The module can embed 4 audio groups Either the conventional 4 groups or the four additional groups in 3G video All 8 audio groups are de embedded from 3G video both in layer A and layer B This functionality should be enabled if the user needs access to the audio in groups 5 to 8 in layer A video OR audio in the second link of Layer B video The four audio groups that are not embedded by the module will be transported without any delay This means that the use of the module with a m
22. outputs or destinations are the groups of embedded audio in the output video and the AES outputs The group router is used to transport or shuffle groups without introducing any additional delay A normal de embedder configuration would route the de embedded audio to the AES outputs A normal embedder configuration would be to route the AES inputs to the appropriate embedder group outputs The AV 3G XMUX module can do both at the same time Many other configurations are possible and the module may be dynamically controlled as a 32x16 audio router via the system controller GYDA Full control of the module is performed with the GYDA system controller Controls only possible with GYDA are The data transmission parameters and channel selection The delay lines delays and routing to and from the mixer Video and audio generator configuration Audio mixer configuration 3 1 DIP switch routing Full hardware control of all of the parameters in the module would require either a complicated menu type of control interface with a display and control buttons or an enormous number of switches In many cases most of the parameters will not be changed from the default settings It was decided to control only the most used parameters with switches covering the most used configurations This still requires the use of 24 switches The switches are only read during the power up process nevion com 10 AV 3G XMUX Rev 1 There are not
23. resent present AES 5 8 AES 5 6 7 and 8 Some of AES AES signals Module has not SW3 2 off not present 5 6 7 and 8 5 6 7 and 8 been programmed present present AES 1 4 Group 1 amp 2 not Either group 1 Both group 1 Module has not SW3 2 on present or 2 present amp 2 present been programmed AES 5 8 Group 3 amp 4 not Either group 3 Both group 3 Module has not SW3 2 on present or 4 present amp 4 present been programmed nevion com 21 AV 3G XMUX Rev 1 5 2 GPI alarms Only three alarms are present on the 8P8C jack RJ45 connector as four of the pins are used for the RS422 data port The three alarms are GPIf Status negative logic This alarm will be inactive if 1 The power is not present in the module 2 The FPGA firmware is invalid 3 The DWDM laser option has failed GPl2 Video signal lost GPI3 Laser failure DWDM option not fitted The alarm signals are open collector transistor switches An active condition means that the transistor is conducting The Status alarm should always be active during normal operation 5 2 1 Laser kill GPI3 input GPI3 is used as a GPI input to kill the laser output when the DWDM laser option is fitted Connection of the pin to OV will switch off the laser The pins of several modules may be connected together to kill all of the lasers going into a multiplexer filter nevion com 22 AV 3G XMUX Rev 1 General environmental requirements for Nevion equipment 1 The equipme
24. s GPI mode Raw data sampling frequency Rev 1 SD HD and 3G 24p 50i 60i 50p or 60p and pull down rates 1250 line SMPTE 295M BNC 1200 1620nm 40 nm SD HD 3 dBm 3G 5 dBm 25 20 17 dBm Better than 27 dB 4 Single mode SC UPC 1200 1620nm 40 nm 9 dBm 33 30 28 dBm Better than 27 dB 4 Single mode SC UPC Up to 8 30 kHz to 100 kHz converted to 48 kHz if not isochronous to the video input signal 110 ohm transformer balanced 25 pin D sub 75 ohm unbalanced BNC 24 bits As received when isochronous otherwise fixed 139 dB A 1 kHz 8P8C Modular jack RJ45 9600 to 115200 7 or 8 bits None odd or even 1 1 5 or 2 bits 93750 Hz nevion com 8 AV 3G XMUX 2 5 Outputs 2 5 1 Electrical video output Number of HD SDI outputs Connector 2 5 2 Optical video output Transmission circuit fiber Connector 13T Optical wavelength Light source Optical power Extinction ratio 13T0 15T CxxxxT Optical wavelengths Light source Optical power Extinction ratio Dxxxx Optical wavelengths Light source Optical power Extinction ratio 2 5 3 Audio outputs Number of AES3 outputs Audio data rate Impedance C1 backplanes Connector C1 backplanes Impedance C2 amp C3backplanes Connector C2 amp C3backplanes 2 5 4 Data outputs Number of RS485 outputs Connector 2 5 5 GPI outputs Signals Connector Signal type Maximum volta
25. s 4 350 256 2 ser video samples 45 3us AES 2 1 16 audio samples 20 48000 417us 4 16 1 audio samples 21 48000 438us 8 4 32 96kHz samples 44 96000 458us 32 128 17 16 96kHz samples 193 96000 2 01ms 8 32 8 96kHz samples 44 96000 458us 8 32 8 96kHz samples 48 96000 458us des 8 1024 1024 3 ser video samples 27 6us AES 2 1 8 12 48000 250us 2 8 1 11 48000 229us 8 4 16 96kHz samples 28 96000 292us 16 128 17 16 96kHz samples 177 96000 1 84ms 4 16 8 96kHz samples 28 96000 292us 4 16 8 96kHz samples 28 96000 292us nevion com 7 AV 3G XMUX 2 4 Inputs 2 4 1 Electrical video input Video Data rates Video frame rates Video standards not supported Connector 2 4 2 Optical video input PIN Optical wavelength Maximum Optical power Sensitivity SD HD 3G Return loss Maximum reflected power Transmission circuit fiber Connector 2 4 3 Optical video input APD Optical wavelength Maximum Optical power Sensitivity SD HD 3G Return loss Maximum reflected power Transmission circuit fiber Connector 2 4 4 Audio Inputs Number of AES3 inputs Audio data rate Impedance C1 backplanes Connector C1 backplanes Impedance C2 amp C3backplanes Connector C2 amp C3backplanes Embedded audio word length Embedded audio Channel status Sample rate converter dynamic range 2 4 5 Data inputs RS422 Connector Packet mode Baud rates Data length Parity Stop bit
26. s ciel aeahevel des eakethiged nda anal sa nb nivel nda 14 SA Gy DA OOntOl 3sihasacsste etiam son avast dawn sane S O 15 3 5 Data transmission EE 17 SEH 19 Epi e 19 4 2 Audio connections RT EE 20 4 3 Data GP lCOnNSCuons eosin aai i a A ia a a nA ia aaa Ra Aia AEREE AERE 20 EE eege 21 ly OPN ANI EE 21 2 GP IAL de 22 General environmental requirements for Nevion equipment ssssssssssreereeesessnee 23 Prod ct Warranty EE 24 Materials declaration and recycling information 25 NEE 25 A 2 Recycling mondo nn an ana 25 EG Declaration Of Con om EE 26 nevion com 3 AV 3G XMUX Rev 1 1 Product overview SD HD 3G Optical Receiver 000 000 optical fibre GI optical fibre SD HD 3G Input SD HD 3G Reclocker SD HD 3G Output Audio Processing RS422 Audio matrix RS485 Audio Delay Group swapping AES1 AES2 AES3 AES4 AESS AES6 AES7 AES8 Figure 1 Module overview The AV 3G XMUX is a highly integrated audio embedding module in the Flashlink range offering simultaneous embedding and de embedding of eight AES3 stereo digital audio channels from a digital 3G HD or SD serial video signal The modules can AV 3G XMUX can handle SD HD and 3D digital uncompressed video De embed and embed all groups of audio Copy or move audio groups without additional delay De embed 8 AES3 digital audio and non audio signals Embed 8 AES3 digital audio and non audio signals Apply sample rate converters o
27. the card The extra 3G audio embedded audio will pass through the module If SW3 1 DIP config mode is off amp SW3 3 High group mode is on The card is to be controlled by GYDA or the stored configuration is to be used The embedder mode may be either high or low groups This is set in the configuration page of GYDA De embedded audio from all 8 groups may be routed in the audio router All the conventional embedded audio will pass through the module If SW3 1 DIP config mode amp SW3 3 High group mode are both off The card is to be controlled by GYDA or the stored configuration is to be used De embedded audio from the conventional 4 groups may be routed in the audio router The extra 3G audio embedded audio will pass through the module 3 2 4 Disable SRCs SW3 4 The sample rate converters will not be used if this switch is on The user must ensure that the AES input signals are locked to the video signal otherwise click noises will be produced in the embedded audio signals If the switch is off the sample rate converters will be used when necessary nevion com 13 AV 3G XMUX Rev 1 3 2 5 Group remove SW3 5 This switch controls whether existing embedded audio is re embedded or removed When SW3 2 is on the output video will only contain audio embedded by the module When SW3 2 is off all existing embedded audio groups will be transported unless overwritten 3G audio groups which are not handled by the module wi
28. up3 ON Emb Group 4 OFF AES 1 amp 2 OF AES 384 OF AES 5 amp 6 OFF AES 7 amp 8 F F Table 1 DIP blocks 1 amp 2 This system reduces the number of switches needed to set up the most popular configurations 3 1 2 Routing The 3 switches set the source for that destination There are eight possible permutations of the switches Up is 1 down is 0 nevion com 11 AV 3G XMUX Rev 1 The group numbers may be changed to 5 to 8 if the module is set up for the high audio groups Switch 20r6 3or7 A org De embedded Group 1 0 0 0 De embedded Group 2 De embedded Group 3 De embedded Group 4 AES inputs 1 amp 2 AES inputs 3 amp 4 AES inputs 5 amp 6 AES inputs 7 amp 8 1 Table 2 Source switch encoding zk Ol OO CH ch E CH 1 El CH a Ol sech 1 EH l sch 1 EH 1 The AES ports which are configured as outputs are not available as sources If the source is the same as the destination the audio generator will be the source Other invalid routing will use a muted signal as the source Groups may be 1 4 OR 5 8 The position of the DIP SW3 3 High Group Mode controls the Group numbers Both the group sources and group destinations are changed if the switches SW3 3 amp SW3 1 are on In this case the groups will be the extra audio groups in 3G video and all conventional audio groups will pass through the module
29. ups 1 to AES 5 amp 6 and group 2 to AES 788 3 4 GYDA Control Full control of the stereo audio router is possible with the GYDA system controller if the DIP switch SW3 1 is off Direct control with SNMP is also possible with GYDA The module stores its configuration in non volatile memory when a GYDA command is given This allows a complex configuration to be restored after a power loss GYDA also stores the configuration of all the modules it controls GYDA uses this to restore the configuration of a module if it is hot swapped This hot swap re configuration only occurs if the module is removed from a running system with an active GYDA Modules that are hot swapped must also be of the same type AV 3G XMUX reports one of two types to GYDA depending on the position of SW3 3 High group mode Off gt AV 3G XMUX On gt AV 3G XLMUX SW3 3 must have the same setting for the modules involved in a hot swap 3 4 1 Audio Mixer The audio mixer has eight channels Each mix channel has four input faders and an output delay The delay is setting is common for the left and right channels nevion com 15 AV 3G XMUX Rev 1 The input faders are connected to the mixer matrix which has the same inputs as the main stereo audio router The matrix is a stereo matrix so a further selection chooses the Left or Right or the phase inverted Left or Right channel The mix outputs are combined two at a time to form 4 stereo outputs These are
30. v 1 3 2 2 DMUX LED mode SW3 2 The switch controls how the two audio LEDs function If the switch is off the LEDs show the AES status The LED indicates input signals if the ports are used as inputs and output signal presence if the ports are outputs If the switch is on the LEDs show the presence of embedded groups The LEDs can be red orange and green Red indicates that none of the signals are present Green indicates that all of the signals are present Orange indicates that some of the signals are present See chapter 5 1 3 2 3 High group mode SW3 3 The embedders may be used as a normal 4 group embedder with all video formats OR it may be used to embed the extra audio groups available in 3G video formats The groups numbered 5 8 in layer A video or the audio groups 1 4 in the second stream of a dual link signal are regarded equivalent by the module Group 5 in the user interface will be group 5 of layer A 3G video or group 1 in the second stream of a layer B signal If SW3 1 DIP config mode amp SW3 3 High group mode are both on All DIP switches are used for configuration GYDA will only be able to monitor the card All group numbers for the DIP routing configuration will refer to the extra 3G audio groups All the conventional embedded audio will pass through the module If SW3 1 DIP config mode is on amp SW3 3 High group mode is off All DIP switches are used for configuration GYDA will only be able to monitor
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