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IQBRK00/01 

 

B12 

 

IQBRK00OPS  05/04/07 

www.snellwilcox.com 

Version 1 Issue 6 

B12.78 

 

When Firewall Protection is not provided 

 
Video 
 
The firewall protects against disruption or illegal signals at the input and not against corrupt or illegal reference 
provision. The user should also note that when changing genlock mode, the firewall is not maintained for the 
video  output  during  the  change.  Examples  would  include  changing  from  free-running  mode  to  referenced 
mode or when the reference is adjusted or interrupted.  
 
Embedded audio 
 
Embedded  audio  firewall  protection  follows  the  video  behavior.  When  the  video  is  protected  then  the 
embedded audio is also protected. See all the information relating to video firewall protection. 
 
AES Audio 
 
AES outputs will generally always maintain a firewall with the exceptions noted below. Unlike the video signal, 
most reference changes do not disrupt the AES firewall. 
 
Exceptions 
 
AES  outputs  on  audio  products  will  normally  maintain  a  firewall  for  PCM  audio  except  when  switching  to  or 
from AES1 as a reference.  
 
Only PCM signals are protected by the firewall. The non-PCM direct paths for audio do not have firewall 
protection. 

Содержание IQBRK00/01

Страница 1: ...eens 13 Video 13 ProcAmp 14 De embed Pair 1 4 and 5 8 15 AES Input 15 Audio Input Delay 16 Audio Mix 1 2 3 and 4 16 Audio Bus A and B Audio Bus C and D 17 Audio Embed 17 AES Out 18 Analog Out 18 Audio...

Страница 2: ...frames make this a powerful solution for the video stream Audio features include fixed and tracking delays channel level shuffling proc amp controls and assignable four input mixers for combining aud...

Страница 3: ...module with audio DAC Balanced audio connection 1 SDI input 2 AES inputs 2 SDI outputs 2 AES outputs 4 analog audio outputs IQBRK0117 2A AES Break out module with audio DAC Balanced audio connection 2...

Страница 4: ...le enclosure shown below IQ Enclosure order codes IQH3A E 0 IQH3A E P IQH3A 0 0 IQH3A 0 P Enclosure order codes IQH3A S 0 IQH3A S P O Style Enclosures Rear panels without the suffix A may only be fitt...

Страница 5: ...TX DAC DAC 1 2 3 4 DAC DAC 1 2 Ancillary Data Multiplexer Channel Proc Amp Channel Proc Amp Channel Proc Amp Channel Proc Amp Adjustable Pair Delay Adjustable Pair Delay Features Combine AES and embe...

Страница 6: ...tput Return Loss Better than 15 dB to 270 MHz Output Jitter 0 2 UI with 10 Hz High pass filter selected on 601 monitor Minimum Delay 6 s Delay 6 s 3 Frames 5 5 s THD N 117 dB 700 Hz 24 bits AES to AES...

Страница 7: ...ary input 1 2 Black Level 100 mV in 0 8 mV steps Y C Timing 592 ns in 148 ns steps Picture position 592 ns in 148 ns steps Luminance Gain 6 dB Chrominance Gain 6 dB Genlock H Phase 32 s in 74 ns steps...

Страница 8: ...minate in 75 Ohms Balanced AES inputs are made to the unit via a 25 way D Type connector GPI I O 2 and 2A only This connector is used for accepting GPI information from mechanical switch contacts rela...

Страница 9: ...balanced AES outputs are available via a 25 way D type connector All unbalanced AES outputs are available via BNC connectors for 75 Ohms Analog Audio Out All balanced analog outputs are available via...

Страница 10: ...AES IN 2 2 4 AES IN 2 Ground GND2 17 Analog channel 1 OUT Ground GND3 5 Analog channel 1 OUT 3 18 Analog channel 1 OUT 3 6 Analog channel 2 OUT 4 19 Analog channel 2 OUT 4 7 Analog channel 2 OUT Groun...

Страница 11: ...Details to XLR Connectors 25 Way D Connector XLR Connectors MALE CONNECTOR OUTPUTS FEMALE CONNECTOR INPUTS Generic Connections actual function will depend on the type of product AES in 2 Analog chann...

Страница 12: ...inated this indicates that there is a valid signal at SDI 1 input SDI 1 Error Yellow When illuminated this indicates that SDI 1 input is not at the current operating standard SDI 2 Present Green When...

Страница 13: ...both 625 and 525 line inputs Note that normally the unit will lock to the selected SDI input if this is lost or is not present the unit will automatically lock to the AES signal on AES Input 1 if avai...

Страница 14: ...cAmp Enable When checked the ProcAmp will become enabled for that channel and the settings will be applied to the signal When unchecked the settings will revert to the preset values Luma Gain This all...

Страница 15: ...ked the left and right channels will be configured as a stereo pair and any adjustments made to one channel will automatically be applied to both channels AES Input This allows control of Gain Mute an...

Страница 16: ...n the Total Delay measurement displayed on the Audio Delay Setup screen Audio Mix 1 2 3 and 4 There are four separate audio mixers Mix 1 2 3 and 4 Each mixer has four inputs with individual gain contr...

Страница 17: ...he left and right channels will be configured as a stereo pair and any adjustments made to one channel will automatically be applied to both channels Audio Embed This function sets up the embedder sou...

Страница 18: ...f items for the two AES sources Silence and audio test tones may also be selected AES 1 2 Direct Note that these signals will be unprocessed and should be used if non PCM is to be embedded Analog Out...

Страница 19: ...to the video delay in the unit will be applied Manual When checked an audio delay set by the Manual Delay control will be applied GPI When checked an audio delay will be applied that is equal to the w...

Страница 20: ...level at which the signal is considered to have risen to a High Level may be set with this control The range is from 80 dB to 0 dB in steps of 1 dB Preset is to 10 dB Overload The level at which the s...

Страница 21: ...o be set The range is 20 dB Preset is to 0 dBu Audio Slew Select This is the time taken for the audio to slew when the audio mixing and routing controls have changed The options are Instant The respon...

Страница 22: ...to 1 line in 37 ns steps The scrollbar will adjust this value Selecting Preset returns the setting to the minimum horizontal delay V ertical Delay This item allows the vertical timing of the output s...

Страница 23: ...ssed through to the output Selecting this item will select all vertical interval lines in the 525 line list and blank them from the output Selecting this item will select all vertical interval lines i...

Страница 24: ...0 Select Caption Caption Off The caption will not appear on the screen Caption On The caption will appear on screen Pattern Pattern On When selected the output will become the pattern selected from th...

Страница 25: ...anges from open to closed Memory The unit will use the settings in 1 to 8 the selected memory location when the input changes from open to closed Mem1 2 The unit will toggle between the settings of me...

Страница 26: ...will display the current status of the GPI output This may show either Unused High low or video delay in milliseconds Timer Enable When checked the GPI will be monitored The width of the pulse represe...

Страница 27: ...destination for the information is set by the network code address as follows Network Address This item allows the address of the selected destination unit to be set To change the address type the new...

Страница 28: ...e unit is actively sending the RollTrack command This may show String A string value is always being sent Number A number value is always being sent No The message is not being sent Yes The message is...

Страница 29: ...me This item allows the memory location to be cleared and returned to the default preset setting This empties the memory location and the Recall button will then appear grayed out This function allows...

Страница 30: ...B12 30 Logging 1 2 3 and 4 Information about various parameters can be made available to a logging device that is attached to the RollCall network by checking the appropriate box The status is shown...

Страница 31: ...input signal EDH statistics have been reset ERRSEC Runtime string The time since EDH was reset in seconds ROL_STATES OK FAIL RollTrack message sent and received OK RollTrack message not acknowledged...

Страница 32: ...nce low level high level or overload signal BUS_AR OK WARNING Router BUS A Right channel has valid signal selected Router BUS A Right channel is receiving silence low level high level or overload sign...

Страница 33: ...lowed by the time in seconds since the last EDH error ANC This shows the number of ANC errors that have occurred since the last ANC reset followed by the time in seconds since the last ANC error Selec...

Страница 34: ...osen from this list Selecting this item sets all adjustment functions that include a preset facility to their preset values This will reboot the unit simulating a power down power up cycle restoring p...

Страница 35: ...windows Operational details for the remote control panel can be found in the Modular System Operator s Manual Information Window The Information window has four lines of text indicating the current st...

Страница 36: ...Memory 8 Name Memory 1 8 Name Memory 1 8 Clear Preset memory_name OK Memory 1 to 8 Save 1 8 Clear 1 8 Recall 1 8 Name 1 8 Preset Luma Gain 0 0 dB Luma Gain Chroma Gain 0 0 dB Preset Chroma Gain Black...

Страница 37: ...De embed 1 8 L R Gain De embed1 8 L R 6 0dB Preset Gain De embed 1 8 L R Embedder 1 2 3 4 Embed 1 2 3 4 Source Pair Selection Disable Embed Embedder 1 Embedder 2 Embedder 3 Embedder 4 Select Pair 1 Se...

Страница 38: ...le RollTrack Address RollTrack Command RollTrack Sending RollTrack Status RollTrack Source Video Delay Preset RollTrack Source RollTrack Index 10 Preset RollTrack Index RollTrack Command RollTrack Com...

Страница 39: ...so refer to the block diagram on page 5 for more information MAIN MENU IQBRK00 MENU Video Freeze User Mem Audio Video Delay Setup Video This item allows the input signal to be selected and adjustments...

Страница 40: ...in steps of 0 1 dB Preset value is 0 0 dB Chroma Gain Chroma Gain 0 0 dB Preset Chroma Gain This allows the Cb Cr color difference gain to be adjusted by 6 dB in steps of 0 1 dB Preset value is 0 0 d...

Страница 41: ...will be saved at this location Recall 1 8 When selected the settings will be recalled from this location and applied to the unit Clear 1 8 When selected the memory location will be cleared and returne...

Страница 42: ...al Follow Video When selected the audio will be derived from the video input signal that has been selected for processing AES Output This allows the AES signal source for the AES output to be selected...

Страница 43: ...Stereo 2 AES 2L AES 2R Stereo 1 2 3 4 5 6 7 8 When selected the left and right channels below will be configured as a stereo pair and any adjustments made to one channel will automatically be applied...

Страница 44: ...hould be used if non PCM is to be embedded Test Tone The source will be a test tone derived from the Setup Audio Tone menu Silence The source will be silence For details of the Audio Embedding Packet...

Страница 45: ...is in steps of 3 dB Buses This function allows the inputs for the four audio buses of the router to be selected and adjusted Buses Bus Source Bus ProcAmp For each bus any source may be for the left a...

Страница 46: ...s made to one channel will automatically be applied to both channels Bus A B C D Left Right Bus A B C D L R Gain Bus A B C D L R Invert Mute This allows the bus signals to be adjusted and configured G...

Страница 47: ...signal s will apply an audio delay smoothly compensating Also see page 57 GPI Delay Select When selected an audio delay will be applied that is equal to the width of the pulse arriving at the GPI conn...

Страница 48: ...h the signal is considered to have dropped to a Low Level may be set with this control The range is from 80 dB to 0 dB in steps of 1 dB Preset is to 60 dB High Level The level at which the signal is c...

Страница 49: ...hase 625 V Phase 525 H Phase 525 V Phase 625 525 H Horizontal Phase This item allows the horizontal timing of the output signal relative to the input signal to be adjusted by up to 1 line in 37 ns ste...

Страница 50: ...our Bars Ramp Multiburst Pulse Bar Pattern Animated Pattern When selected a monochrome rectangular area will appear on the output picture as shown opposite The brightness of this rectangle will ramp f...

Страница 51: ...Caption Edit Caption Clear Preset IQBRK00 OK To compile edit the text the right and left buttons adjacent to the upper text line in the menu should be used to select the character position in the tex...

Страница 52: ...Selecting this item will select all vertical interval lines in the 625 line list and blank them from the output Pass All Selecting this item will select all vertical interval lines in the 625 line lis...

Страница 53: ...requency The range is from 100 Hz to 15 kHz in steps of 100 Hz Preset is to 400 Hz Frequency R This adjusts the frequency of the test tone for the right channel only Frequency R 10000 0 Hz Preset Freq...

Страница 54: ...ant The response is immediate Slowest Change takes approximately one second Slow Change takes 75 of Slowest time Medium Change takes 50 of Slowest time Fast Change takes 25 of Slowest time Channel Sta...

Страница 55: ...ontacts relay contacts etc The resulting action that the unit takes may be selected using this item Input Selection Unused Preset InputsSelection Preset Input Selection The GPI input functions that ma...

Страница 56: ...o Delay Unused The preset setting for the output is Unused When the condition is not true the output will float but when the condition is true the output is closed to ground via a transistor Note that...

Страница 57: ...10 Preset RollTrack Index This item is used to select which RollTrack Index is set up using the RollTrack Source RollTrack Address and RollTrack Command functions It allows up to 70 destinations to be...

Страница 58: ...ample 362 represents an IQDMX00 412 would represent an IQDEC00 161 a Mach 1 etc Inserting this number in the RollTrack address ensures that only the correct type of unit in this example an IQDMX00 wil...

Страница 59: ...Yes The message is being sent Internal Inconsistent behavior please contact Type Error your local Snell Wilcox agent RollTrack Status This item will show the status of the currently selected RollTrack...

Страница 60: ...embed 6 De embed 7 De embed 8 nPCM 1 nPCM 2 nPCM 3 nPCM 4 nPCM 5 nPCM 6 nPCM 7 nPCM 8 AES 1 AES 2 Bus AL Bus AR Bus BL Bus BR Bus CL Bus CR Bus DL Bus DR Fault Any of the items may be selected from t...

Страница 61: ...input signal EDH statistics have been reset ERRSEC Runtime string The time since EDH was reset in seconds ROL_STATES OK FAIL RollTrack message sent and received OK RollTrack message not acknowledged...

Страница 62: ...nce low level high level or overload signal BUS_AR OK WARNING Router BUS A Right channel has valid signal selected Router BUS A Right channel is receiving silence low level high level or overload sign...

Страница 63: ...eset Errors Selecting this function will reset the EDH error count and the timer shown in the information window to zero Default Output If the input signal fails or is of poor quality this function wi...

Страница 64: ...eveals a display showing the serial number of the module Serial No Serial No xxxxxxx OK Select OK to return to the Unit Menu Preset Unit Selecting this item sets all adjustment functions that include...

Страница 65: ...clear 0 set 1 toggle 2 0452 1106 RollTrack clear 0 set 1 toggle 2 0454 1108 AES 1 clear 0 set 1 toggle 2 0455 1109 AES 2 clear 0 set 1 toggle 2 0458 1112 Bus AL clear 0 set 1 toggle 2 0459 1113 Bus AR...

Страница 66: ...ne 327 clear 0 set 1 toggle 2 0500 1280 Line 328 clear 0 set 1 toggle 2 0501 1281 Line 329 clear 0 set 1 toggle 2 0502 1282 Line 330 clear 0 set 1 toggle 2 0503 1283 Line 331 clear 0 set 1 toggle 2 05...

Страница 67: ...ear 0 set 1 toggle 2 0A0A 2570 Rolltrack 15 clear 0 set 1 toggle 2 0A0B 2571 Rolltrack 16 clear 0 set 1 toggle 2 0A0C 2572 Rolltrack 17 clear 0 set 1 toggle 2 0A0D 2573 Manual Delay min 40 max 1500 St...

Страница 68: ...control 0BB6 2998 BUSAL Static Display no control 0BB7 2999 BUSAR Static Display no control 0BB8 3000 BUSBL Static Display no control 0BB9 3001 BUSBR Static Display no control 0BBA 3002 BUSCL Static D...

Страница 69: ...et 1 toggle 2 0C66 3174 Invert clear 0 set 1 toggle 2 0C67 3175 Invert clear 0 set 1 toggle 2 0C68 3176 Invert clear 0 set 1 toggle 2 0C69 3177 Invert clear 0 set 1 toggle 2 0C6A 3178 Invert clear 0 s...

Страница 70: ...5 DeEmbed 3R 6 DeEmbed 4L 7 DeEmbed 4R 8 DeEmbed 5L 9 DeEmbed 5R 10 DeEmbed 6L 11 DeEmbed 6R 12 DeEmbed 7L 13 DeEmbed 7R 14 DeEmbed 8L 15 DeEmbed 8R 16 AES 1L 17 AES 1R 18 AES 2L 19 AES 2R 0D74 3444...

Страница 71: ...DeEmbed 7R 14 DeEmbed 8L 15 DeEmbed 8R 16 AES 1L 17 AES 1R 18 AES 2L 19 AES 2R 20 MIX 1 21 MIX 2 22 MIX 3 23 MIX 4 0DC2 3522 RETURN 0 DeEmbed 1L 1 DeEmbed 1R 2 DeEmbed 2L 3 DeEmbed 2R 4 DeEmbed 3L 5 D...

Страница 72: ...ingle audio delay in a RollCall system The audio delay will have the same delay as through the video path If the delay changes the audio delay will track IQD1FSY IQBADC RollCall connection 4 2 2 Analo...

Страница 73: ...to 20 ms delayed audio by 10 ms tracks to 20 ms From one to eight audio delay products can be connected via RollCall to a single frame synchronizer for example If the synchronizer delay changes then h...

Страница 74: ...network address of the IQBDAD in the form nnnn xx yy z d where nnnn network address and in most cases will be 0000 hex xx IQ enclosure address hex yy slot address of the IQBDAD hex z the connection or...

Страница 75: ...IQBRK00 01 B12 IQBRK00OPS 05 04 07 www snellwilcox com Version 1 Issue 6 B12 75 The most complex system would be an array of matrix delay clusters...

Страница 76: ...IQBRK00 01 B12 IQBRK00OPS 05 04 07 www snellwilcox com Version 1 Issue 6 B12 76...

Страница 77: ...age in the signal would immediately appear at the input to every device all the way through to the last point in the chain When the signal was restored each unit in the chain might take a few seconds...

Страница 78: ...rence is adjusted or interrupted Embedded audio Embedded audio firewall protection follows the video behavior When the video is protected then the embedded audio is also protected See all the informat...

Страница 79: ...o packets intact Any audio group that is to be embedded will remove any packet from the incoming stream from the same group HANC Overflow Condition The card assumes that the incoming HANC is SMTE291 c...

Страница 80: ...sue released 290705 1 2 Silence etc ranges RollTrack text clarified Audio delay pulse note added and TOC added New issue released 150306 1 3 Lock to AES input 1 note added New issue released 250706 1...

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