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DMX-3901-A Installation and Operation Manual

  

 Chapter 1: Introduction

Product Description

The DMX-3901-A module is a digital-to-analog audio demultiplexer 
designed for extracting audio from an SDI stream. It provides one SDI 
input, four balanced analog outputs, and three SDI loop outputs. 

Main Features

These are the main features of the DMX-3901-A module:
•

Selectable 16-, 20-, or 24-bit audio processing

•

Peak and silence indicators

•

Capability for control via card edge, control panels and GUI 
applications (3901RES-E resource module is required for Ethernet 
and control panel use)

•

Built-in audio processing amplifier (gain, invert, delay, swap)

Summary of Contents for DMX-3901-A

Page 1: ...Delivering the Moment Installation and Operation Manual Neo DMX 3901 A Audio Demultiplexer Edition B 175 000018 00 ...

Page 2: ......

Page 3: ...nfoCaster Player Nexio InfoCaster Traffic Nexio InstantOnline Nexio mCAPTURE Nexio News Force Nexio NXIQ Nexio Playlist Nexio Remote Nexio RTX Net Nexio TitleMotion Nexio TitleOne Nexio Velocity ESX Nexio Velocity PRX Nexio Velocity XNG Nexio Volt OPTO Panacea Platinum Playlist Predator II GRF Predator II GX Punctuate Remote RTX Net QuiC Q SEE SD STAR Selenio Selenio 6800 SelenioNext Selenio X50 S...

Page 4: ...ctionality can be achieved by customers infrastructure environments with the high density 6800 Leitch s industry leading routing offerings allow customers to connect high quality signals of all formats from analog to HD Panacea provides affordable compact modular routing in sizes up to 32x32 The new wideband Integrator Gold provides scalable routing of almost any digital signal up to 128x128 in a ...

Page 5: ...Edition B May 2005 DMX 3901 A Audio Demultiplexer Installation and Operation Manual ...

Page 6: ...afety Standards and Compliances ix Safety Terms and Symbols x Trademarks and Copyrights x Warranty Information x xi Chapter 1 Introduction Overview 1 Product Description 2 Main Features 2 Front and Back Modules 3 Front Module 3 Back Module 4 Plug In Adapter 5 Signal Flow 6 Chapter 2 Installation and Removal Overview 7 Packing List 8 Installing DMX 3901 A Modules 8 Removing DMX 3901 A Modules 8 ...

Page 7: ...ss Functional Parameter Changes 19 Navigating the Operator and All Lists 21 Operator and All List Parameters 22 Setup Parameters 25 Alarms 26 Alarm Synchronization 26 Identifying the Cause of an Alarm 26 Enabling or Disabling an Alarm Parameter 27 Restoring Default Settings 27 State Recovery Parameter Availability 28 LEDs and Module Indicators 29 General Information 29 Card Edge Locations 30 LED D...

Page 8: ...al v Contents Appendix A Tree View Navigation Overview 37 Navigating the Tree View 38 Tree View Parameters 39 Appendix B Audio Bit Manipulation Overview 43 Channel Status Bits 44 Validity and User Bits 46 Miscellaneous Data 46 Index Keywords 47 ...

Page 9: ...vi DMX 3901 A Installation and Operation Manual Contents ...

Page 10: ...emultiplexer Audience This manual is written for engineers technicians and operators responsible for the installation setup maintenance and operation of the NEO DMX 3901 A Audio Demultiplexer Revision History Table iii 1 Revision History of Manual Edition Date Revision History A July 2002 Initial release B May 2005 Revision of product codes alarm modification and template updates ...

Page 11: ...o request a document Table P 4 Writing Conventions Term or Convention Description Bold Indicates dialog box property sheet field button check box list box combo box menu submenu window list and selection names Italics Indicates email addresses names of books and publications and first instances of new terms and specialized words that need emphasis CAPS Indicates a specific key on the keyboard such...

Page 12: ...from Leitch Technology Otherwise you can supply your own packaging as long as it meets the following criteria The packaging must be able to withstand the product s weight The product must be held rigid within the packaging There must be at least two inches five centimeters of space between the product and the container The corners of the product must be protected If the product is still within the...

Page 13: ...her countries All other trademarks are the property of their respective owners Copyright 2005 Leitch Technology International Inc All rights reserved This publication supersedes all previous releases Printed in Canada Warranty Information The Leitch Limited Warranty Policy provides a complete description of your warranty coverage limitations and exclusions as well as procedures for obtaining warra...

Page 14: ...DMX 3901 A Installation and Operation Manual xi Preface ...

Page 15: ...xii DMX 3901 A Installation and Operation Manual Preface ...

Page 16: ...al includes information about these items General information about module unpacking installation removal navigation configuration and setup Card edge screen savers State recovery parameters Fan modules Resource modules Alarm interconnect modules Power supplies Servicing instructions Note Installation navigation configuration and setup information is now included in the NEO FR 3901 FR 3903 and FR ...

Page 17: ...s one SDI input four balanced analog outputs and three SDI loop outputs Main Features These are the main features of the DMX 3901 A module Selectable 16 20 or 24 bit audio processing Peak and silence indicators Capability for control via card edge control panels and GUI applications 3901RES E resource module is required for Ethernet and control panel use Built in audio processing amplifier gain in...

Page 18: ...1 Remote Local Nav Nav Enter Esc MAJOR ALARM MINOR ALARM POWER MODULE STATUS Module indicators REMOTE LOCAL switch LEDs ENTER button REM LOC CH1 A PEAK ERROR red CH1 A PRESENT green CH1 B PEAK ERROR red CH1 B PRESENT green CH2 A PEAK ERROR red CH2 A PRESENT green CH2 B PEAK ERROR red CH2 B PRESENT green SDI PRESENT green ERROR not functional 525 green 625 green FREEZE not functional REFERENCE PRES...

Page 19: ...the back module of the DMX 3901 A is the DMX 3901 A BM See Figure 1 2 Figure 1 2 DMX 3901 A BM Back Module Back Module Pinouts Figure 1 3 shows the pinouts for the DMX 3901 A BM back module Figure 1 3 Pinouts on the DMX 3901 A BM Back Module OUT 1 OUT 2 INPUT ANALOG AUDIO OUTPUT OUT 3 SDI LOOP 1 13 14 25 Channel 1 G G G G DB 25 connector pinouts DMX 3901 A BM back module GND GND GND Channel 2 Chan...

Page 20: ...nd screw terminals for the plug in adapter module Figure 1 4 Pinouts for AIB 25 3901MF A Plug In Adapter Figure 1 5 Screw Terminals for the AIB 25 3901MF A Plug In Adapter Note The AIB 25 3901MF A is a universal adapter Some terminals on this adapter are not used with the DMX 3901 A BM back module 1 13 14 25 Channel 1 G G G G GND GND GND Channel 2 Channel 4 Channel 3 DB 25 connector pinouts AIB 25...

Page 21: ...901 A Installation and Operation Manual Chapter 1 Introduction Signal Flow Figure 1 6 illustrates the signal flow of the DMX 3901 A Figure 1 6 Functional Block Diagram of the DMX 3901 A Module Channel 1a left ...

Page 22: ...ersion from the Leitch Web site www leitch com to access this information In this chapter you can find information on the following topics Packing List on page 8 Installing DMX 3901 A Modules on page 8 Removing DMX 3901 A Modules on page 8 Setting Jumpers on page 9 Upgrading DMX 3901 A Firmware on page 10 Correcting a Failed Upgrading Procedure on page 14 Caution Before installation please read th...

Page 23: ...eration Manual per order Installing DMX 3901 A Modules This module requires no specialized installation procedures For general information about installing NEO modules see your NEO FR 3901 FR 3903 and FR 3923 Mounting Frames Installation and Operation Manual Removing DMX 3901 A Modules This module requires no specialized removal procedures For general information about removing NEO modules see you...

Page 24: ...hen Pin 1 is covered by the jumper the output is switched to 28 dBu When Pin 1 is not covered the output is switched to 18 dBu Figure 2 1 shows the location of the jumpers on the module Figure 2 1 Location of Jumper Pins Figure 2 2 illustrates the jumper selection for either 28 dBu or 18 dBu audio output setting Figure 2 2 Jumper Selection for 28 dBu or 18 dBu Settings J25 J24 J22 J23 VFD display ...

Page 25: ...ding Procedure on page 14 Upgrading the Firmware Discovery Method Follow these steps to upgrade the firmware using the Discovery method 1 Download the most recent appropriate upgrade package from the Leitch Web site or from your CD ROM and then unzip the upgrade package 2 If the affected module has not been discovered perform the Discovery operation as described in your CCS software application ma...

Page 26: ...es box browse and select the fl0 folder in the module s upgrade package 3 Click OK 4 Select the files shown in the Add Upgrade Files box and then click OK 5 Select and delete unwanted files for example vxWorks lzs in the Add upgrade files for transfer to device field by clicking Remove 6 Click Perform Transfer and then click Yes 7 Wait for the message File transfer to device succeeded This may tak...

Page 27: ...ck the device icon and then select Properties 4 On the NRO or Device tab of the Navigation Properties box enter the IP address of the frame that holds the module See Figure 2 3 Figure 2 3 Navigation Properties Box 5 In the last field enter the slot number of the module and then close the window 6 Double click the device icon The Configuration window opens On the Software Upgrade tab the slotx boot...

Page 28: ...slot number directory in the Select the device directory to transfer to field 2 Click Add and in the Add Upgrade Files box browse and select the fl0 folder in the module s upgrade package 3 Click OK 4 Select the files shown in the Add Upgrade Files box and then click OK 5 Select and delete unwanted files for example vxWorks lzs in the Add upgrade files for transfer to device field by clicking Remo...

Page 29: ... are performing this procedure check the appropriate readme file to confirm which files are needed Use care to ensure that you upload the correct files to the intended module Setting the Module to Fail Safe Loader Mode Follow these steps to set a NEO module to the fail safe loader mode 1 Remove the affected module from the NEO frame 2 Press the Nav switch down while simultaneously pressing both th...

Page 30: ...ast field enter the slot number of the module and then close the window 6 Double click the device icon The Configuration box opens On the Software Upgrade tab the slotx boot where x is the slot number directory appears in the Select the device directory to transfer to field 7 Click Add and in the Add Upgrade Files box browse and select the boot folder in the module s upgrade 8 Click OK 9 Select th...

Page 31: ...OK 7 Select and delete unwanted files for example vxWorks lzs in the Add upgrade files for transfer to device field by clicking Remove 8 Click Perform Transfer and then click Yes 9 Wait for the message File transfer to device succeeded This may take a moment 10 Click Reboot Device and then click Yes 11 Wait 30 seconds and then close the Configuration box The module name appears at the card edge No...

Page 32: ...oad an updated version from the Leitch Web site www leitch com to access this information This chapter describes how to operate the DMX 3901 A module using card edge controls The following topics are found in this chapter Operation Notes on page 18 Cross Functional Parameter Changes on page 19 Navigating the Operator and All Lists on page 21 Operator and All List Parameters on page 22 Setup Parame...

Page 33: ...ved until 20 seconds after the second parameter change There is no limit to the number of changes that can be made within 20 seconds of each other However none of these changes will be saved until 20 seconds after the last parameter change When you set the FctryRcl factory recall parameter to Yes the module takes several seconds to reset all of the parameters Setup parameters are not affected by t...

Page 34: ...ain_03 Invert03 OutxxSrc Ch04 Ch04 is in a Non PCM format Gain_04 0 Invert04 No Gain_04 Invert04 OutxxSrc Ch05 Ch05 is in a Non PCM format Gain_05 0 Invert05 No Gain_05 Invert05 OutxxSrc Ch06 Ch06 is in a Non PCM format Gain_06 0 Invert06 No Gain_06 Invert06 OutxxSrc Ch07 Ch07 is in a Non PCM format Gain_07 0 Invert07 No Gain_07 Invert07 OutxxSrc Ch08 Ch08 is in a Non PCM format Gain_08 0 Invert08...

Page 35: ...PCM format Gain_14 0 Invert14 No Gain_14 Invert14 OutxxSrc Ch15 Ch15 is in a Non PCM format Gain_15 0 Invert15 No Gain_15 Invert15 OutxxSrc Ch16 Ch16 is in a Non PCM format Gain_16 0 Invert16 No Gain_16 Invert16 Table 3 1 Cross Functional Parameter Changes Continued Condition Mute Disabled Parameters ...

Page 36: ...option in the list appears 4 Push the Enter button again to access the options for the parameter displayed on the VFD screen OR Press the Nav Nav switch down repeatedly to view other parameters and then press Enter to access an item s parameter options 5 Press the Nav Nav switch up or down to scroll through the different selectable parameter options and then press Enter to select the value you wan...

Page 37: ...igating the Operator and All Lists on page 21 for instructions on navigating this list using card edge controls Note You can reset the default values for all of the parameters automatically via the FctryRcl parameter found in this table Table 3 2 Operator and All List Parameters Card Edge ID Parameter Name Function User Range and Options SdiStdSet Serial Digital Interface Video Standard Set Select...

Page 38: ...Anlg_Prsnt RO Analog Audio Channels 1a 1b 2a and 2b Present Detects the presence of the signal at outputs 1a 1b 2a and 2b 1a 1b 1a1b 2a 1a 2a 1b2a 1a1b2a 2b 1a 2b 1b 2b 1a1b 2b 2a2b 1a 2a2b 1b2a2b 1a1b2a2b Grp1Ctrl to Grp4Ctrl Demultiplexing Groups 1 to 4 Control Controls the audio option when demuxed groups 1 to 4 are present with errors Mute Repeat DBN_Ctrl Data Block Number Control Controls the...

Page 39: ...ce for analog output 2 channel b Ch01 to Ch16 Mute Ch04 FadeRate Fade Rate Controls the rate of fading when channels are swapped or muted 0 to 10 s 0 010 s DitherMode Dither Mode Selects the dithering mode for all outputs None On Out1a_DR Out1b_DR Out2a_DR Out2b_DR Out 1a Dither Resolution to Out 2b Dither Resolution Selects the dithering resolution for output channel 1a to channel 2b 24 bits 20 b...

Page 40: ...es Adjustment modes Browse modes Scroll modes Display intensity Parameter descriptions Name FrameIP Sync full About mode The structure of the Setup menu is located at the end of Appendix A Tree View Navigation See your NEO FR 3901 FR 3903 and FR 3923 Mounting Frames Installation and Operation Manual for more information on Setup items including descriptions and operation notes Note Setup parameter...

Page 41: ... panels are consistent If the DMX 3901 A module is set for local control the alarm settings will appear the same at both the card edge and via CCS but the settings can only be changed using the card edge controls If the module is set for remote control the alarm settings can be changed via both the card edge and CCS control software and control panels Alarm configuration settings undergo DejaView ...

Page 42: ...ess Enter 2 Scroll down the list of alarms and then select Reset 3 Press Enter to activate the selection The following table lists the default alarms for the DMX 3901 A module You can enable or disable these settings but you cannot change the level of the alarm Table 3 3 DMX 3901 A Default Alarms Card Edge Alarm ID Name of Alarm Alarm Level Meaning SdiPrsnt RO SDI Input Video Present Major Loss of...

Page 43: ...matically saved onto the 3901RES E resource module installed in your NEO frame every five minutes If a module should fail and be replaced with a cold spare the state parameters can be automatically recovered For more information on this feature see the NEO FR 3901 FR 3903 and FR 3923 Mounting Frames Installation and Operation Manual Edition E and above ...

Page 44: ...alert users to failures or impending failures within the module They are also found in the following locations As red or yellow LEDs on the 3901AIC Alarm Interconnect Module or the 3901RES E Resource Module visible via light pipes through the frame s front panel As part of a list of activated alarms in the Setup menu In external systems connected to the alarm contact closures at the back of the NE...

Page 45: ... r SW1 Remote Local Nav Nav Enter Esc MAJOR ALARM MINOR ALARM POWER MODULE STATUS Module indicators REMOTE LOCAL switch LEDs ENTER button REM LOC CH1 A PEAK ERROR red CH1 A PRESENT green CH1 B PEAK ERROR red CH1 B PRESENT green CH2 A PEAK ERROR red CH2 A PRESENT green CH2 B PEAK ERROR red CH2 B PRESENT green SDI PRESENT green ERROR not functional 525 green 625 green FREEZE not functional REFERENCE...

Page 46: ...s an error CH1 A Present Green Audio is present LED Pair CH1 B Peak error Red The audio is peaking if the CH1 B Present LED is also lit at the same time If the CH1 B Present LED is not lit at the same time the module detects an error CH1 B Present Green Audio is present LED Pair CH2 A Peak error Red The audio is peaking if the CH2 A Present LED is also lit at the same time If the CH2 A Present LED...

Page 47: ...the DMX 3901 A DARS Present None Not functional in the DMX 3901 A Table 3 4 LED Descriptions LED Color Meaning When Lit Table 3 5 Module Indicator Descriptions Module Indicator Color Meaning When Lit Major Alarm Red The DMX 3901 A module detects one or more of the following problems Loss of serial digital input signal Group 1 de embedding error Group 2 de embedding error Group 3 de embedding error...

Page 48: ...33 Chapter 4 Specifications Overview The tables in this chapter list the following specifications for the DMX 3901 A module Input on page 34 Output on page 35 Miscellaneous on page 36 Specifications and designs are subject to change without notice ...

Page 49: ...cations Input SDI Video Table 4 1 SDI Video Specifications Item Specification Standards SMPTE 259M C 270 Mb s 525 625 component Quantization 10 bit Connector BNC per IEC 169 8 Impedance 75Ω Return loss 18 dB to 270 MHz Equalization Automatic 200 m 655 ft Belden 8281 ...

Page 50: ...h impedance loads Variable gain control 90 to 31 5 dB Frequency response 0 1 db 28 dBu from 20 Hz to 20 kHz Linearity 1 0 dB to 100 dBFS Signal to noise 104 dB unweighted with respect to 28 dBu Threshold noise 0 01 typical 20 to 20 kHz 0 dBu high Z load Cross talk 90 dBu at 16 kHz Table 4 3 SDI Video Specifications Item Specification Standards SMPTE 259M C 270 Mb s 525 625 component Connector BNC ...

Page 51: ... fall time 400 to 1500 ps 20 to 80 amplitude Overshoot 10 of amplitude Jitter 0 2 UI 740 ps pk to pk Table 4 3 SDI Video Specifications Item Specification Table 4 4 Module Start Up Specifications Item Specification Start up time 8 sec Table 4 5 Power Consumption Specifications Item Specification Power consumption 24 V 454 mA 20 W ...

Page 52: ... modes the Tree View is a multi level list of parameters arranged in the following main groups Input on page 39 Other on page 39 Output on page 39 Processing on page 40 Setup on page 40 See page 25 for more information on the Setup parameters which govern the operation of the card edge controls This appendix consists of instructions for navigating the lists see page 38 and the Tree View Parameter ...

Page 53: ...o Three and Four 7 If the parameter is selectable slide the bar to the desired parameter using the Nav Nav switch OR Select the desired item in the Level Four list and then press Enter Once the Level Four parameter is set or viewed you can leave the parameter in its current state or return to the banner To return to the DMX 3901 banner repeatedly press the Escape button Close the front panel again...

Page 54: ...ee View Input EDH EdhErrPI Range 1 to 14400 s EdhPrsnt RO Options Yes No EdhErrCnt RO Range 0 to 16777215 EdhErrClr Options Yes No Other SdiStdSet Options Auto D1 525 D1 625 SdiStdFb RO Options Unknown D1 525 D1 625 SdiPrsnt RO Options Yes No Grp1Prsnt to Grp4Prsnt RO Options Yes No Grp1_Err to Grp4_Err RO Options None DBN Chksum Parity Buffer Anlg_Prsnt RO Options 1a 1b 1a1b 2a 1a 2a 1b2a 1a1b2a ...

Page 55: ...its 16 bits Other Grp1Ctrl to Grp4Ctrl Options Mute Repeat FadeRate Range 0 000 to 10 000 s 0 010 s Synchronize Delay_01 to Delay_16 Range 0 00 to 1320 00 ms Setup Alarms Config SdiPrsnt Options Disable Enable Grp1_Err Options Disable Enable Grp2_Err Options Disable Enable Grp3_Err Options Disable Enable Grp4_Err Options Disable Enable Reset Active Alarms if applicable SdiPrsnt if alarm is activat...

Page 56: ...l Mode Options Wrap Don t Wrap Disp Inten Display Intensity Options 100 50 25 12 Param Desc Parameter Description Options Disabled Enabled Name DMX 3901 A Frame IP see note for default settings Options IP Address Subnet Gateway Sync Full Options No Yes About Options DMX_HwId RO Sw_Ver RO Note Default settings for Frame IP options are as follows IP Address 192 168 100 250 Subnet 255 255 255 0 and G...

Page 57: ...42 DMX 3901 A Installation and Operation Manual Appendix A Tree View Navigation ...

Page 58: ...ppendix B Audio Bit Manipulation Overview The following tables contain information on the manipulation of bits that occur when you use the DMX 3901 A module The receiver classification is B3 RX Key N not recognized Y recognized S recognized and stored ...

Page 59: ... Emphasis 110 50 15 us 111 CCITT J 17 S S S S 0 5 0 Locked 1 Unlocked N N 0 6 to 7 00 Not indicated 01 48 kHz 10 44 1 kHz 11 32 kHz Y Y Y Y 1 0 to 3 0000 Not indicated 0001 Two channel 0010 Mono 0011 Prim sec 0100 Stereo 0101 to 1111 Undefined N N N N N N 1 4 to 7 0000 Not indicated 0001 192 bit block 0010 AES18 HDLC 0011 User defined 0100 to 1111 Undefined S S S S S 2 0 to 2 000 Not Indicated 001...

Page 60: ...nce 10 Grade 2 reference 11 Undefined N N N N 4 2 to 7 Reserved N 5 0 to 7 Reserved N 6 to 9 0 to 7 Alphanumeric channel origin data S 10 to 13 0 to 7 Alphanumeric channel destination data S 14 to 17 0 to 7 Local sample address code S 18 to 21 0 to 7 Time of day sample address code S 22 0 to 3 Reserved N 22 4 Bytes 0 to 5 reliability flag S 22 5 Bytes 6 to 13 reliability flag S 22 6 Bytes 14 to 17...

Page 61: ...d User Bits Miscellaneous Data Table B 2 V Bit and U Bit Manipulation Bit Manipulation RX Remarks Validity V bit S Audio is muted when set User U bit S Not used Table B 3 Miscellaneous Audio Bit Data Item RX Specification Audio sampling frequency kHz 48 Audio sampling word length bits 16 to 24 ...

Page 62: ...ertification information ix Configuration window 10 16 configuring the module 17 correcting a failed upgrade 14 cross functional parameter changes 19 D DB 25 connector 4 5 default settings for alarms 27 DejaView 26 disabling or enabling alarms 27 Discovery method of upgrading 10 11 drag and drop method of upgrading 12 13 E enabling or disabling alarms 27 F fail safe procedure 14 FctryRcl parameter...

Page 63: ...ons 36 R rebooting the module 11 16 removing and installing modules 8 restoring default settings for alarms 27 returning equipment ix revision history vii S safety standards and compliances ix SDI video input specifications 34 SDI video output specifications 35 setting up the module 17 Setup parameters 25 40 shipping equipment ix signal flow 6 Software Upgrade tab 11 12 software upgrading 10 16 sp...

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