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NV8900 Series

MADI Interfaces

User’s Guide

UG0056-02

30 Apr 2013

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Summary of Contents for Miranda NV8900 Series

Page 1: ...NV8900 Series MADI Interfaces User s Guide UG0056 02 30 Apr 2013 ...

Page 2: ...de reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference i...

Page 3: ... persons Restriction on Hazardous Substances RoHs Miranda is in compliance with EU Directive RoHS 2002 95 EC governing the restricted use of certain hazardous substances and materials in products and in our manufacturing processes Miranda has a substantial program in place for RoHS compliance that includes significant investment in our manufacturing process and a migration of Miranda product elect...

Page 4: ...instruc tions or on the equipment Always refer fuse replacements to qualified service person nel To avoid explosion do not operate this equipment in an explosive atmosphere Have qualified service personnel perform safety checks after any service The lightning flash with arrowhead symbol within an equilateral triangle alerts the user to the presence of dangerous voltages within the product s enclos...

Page 5: ...ions at all times when handling this equipment This product should only be powered as described in the manual To prevent equip ment damage select the proper line voltage on the power supply ies as described in the installation documentation To prevent damage to the equipment read the instructions in the equipment manual for proper input voltage range selection Some products include a backup batter...

Page 6: ...vi ...

Page 7: ...8 Function 8 Other LEDs 9 Connectors 9 DIP Switches 10 Installation 10 AES Interfaces 10 Analog Audio Interfaces 10 3 Misc Topics 13 Package Contents 13 Installation 13 Obtaining Software and Documentation 15 Maintenance 15 Channel Numbering 15 Audio Rates 15 4 Specifications 17 Power Specifications 17 Reference Specifications 18 Physical Specifications 19 Environmental Specifications 20 Audio Spe...

Page 8: ...viii Table of Contents Power Cord Retention 22 Drawings 23 Index 31 ...

Page 9: ...ument This guide is provided in PDF format allowing you to use Acrobat s bookmarks to navigate to any desired location You can also easily print a hardcopy Please note Use the Table of Contents or the bookmarks page to jump to any desired section Many hyperlinks are provided within the chapters Use the Index to jump to specific topics within a chapter Each page number in the index is a hyperlink U...

Page 10: ...d Abbreviations The following conventions are used throughout this guide The symbol S denotes either an example or a special message Entries enclosed in single quotes denote the names of control panel buttons and knobs or menu items Choose Aux to Press Keyer 2 button ...

Page 11: ...e 75W BNCs the balanced outputs use 110W shielded twisted pairs on DB25 connectors The two AES to MADI interfaces are multiplexers that have 32 AES inputs and one MADI output The unbalanced inputs use 75W BNCs the balanced inputs use 110W shielded twisted pairs on DB25 connectors The MADI inputs and outputs are 75W BNCs The AES to MADI interfaces accept up to 64 audio channels The MADI to AES inte...

Page 12: ...interface has a video reference input loop through Each interface has a serial port DE9 that is reserved for future use Each interface has an Ethernet port RJ 45 for a connection to MRC the Miranda Router Configurator Each interface has two power connectors for PS0001 power supply and a grounding terminal Rates The MADI interfaces send and receive AES at exactly 48 0kHz samples per second Configur...

Page 13: ... MADI inputs and outputs are 75W BNCs The analog audio to MADI interface accepts 64 audio channels The MADI to analog audio interface produces 64 audio channels The MADI channels are paired on the analog inputs or outputs Analog input connector 1 corresponds to MADI channels 0 and 1 analog input connector 2 corresponds to MADI channels 2 and 3 and so on Analog input connector 32 corre sponds to MA...

Page 14: ...to 0 dBfs The unit accepts video reference It derives its internal clocks from the video reference It can free run but it is advisable to use an external reference especially when used with an NV8500 hybrid router Other LEDs Each MADI output is represented by an LED at the front of the unit The LED is green when the MADI output is good Otherwise the LED is off The reference signal is represented b...

Page 15: ...t is good If the LED is off the power supply is bad The MADI outputs are identical The video reference connectors are loop through allowing you to daisy chain a reference signal to multiple devices See Reference Specifications on page 18 DIP Switches There are 8 DIP switches in a recess at the rear of the unit The first 3 switches control the overall audio level of the unit Switch Switch 3 2 1 Lev...

Page 16: ...nput has no bit errors The unit extracts 64 audio channels From the active MADI stream The 64 outputs are paired internally and are represented by 32 LEDs at the front of the panel one for each pair Each of these LEDs acts as a primitive level meter for the pair according to the following scale LED state Audio Level Range Off 50 dBfs Green 50 to 4 dBfs Red 4 dBfs to 0 dBfs The unit accepts video r...

Page 17: ...alog audio input Each DB25 supports 8 analog audio outputs The 8 outputs of a connector correspond to an enclosed section of the labeling on the front of the unit For instance first DB25 connector is for outputs 1 8 and the corresponding markings on the front of the unit are pair 1 2 3 4 5 6 and 7 8 The power connectors serial port and Ethernet port are described under Installation on page 13 Each...

Page 18: ...rides the unit s failover behavior When the switch is ON the unit ignores the secondary input and the secondary MADI LED is dark Switch 8 is for factory testing Leave it off Installation AES Interfaces The AES interfaces are small and lightweight It is sufficient to mount them in a 19 rack with suitable screws Analog Audio Interfaces The analog audio interfaces are large and somewhat heavy and req...

Page 19: ...nsion plates provide an additional 6 3 of depth for a total extension of 22 64 You can adjust the position of the plate if your rack has less depth If your rack does not have rear posts or if your rack is deeper than 22 64 consider mounting the NV8900 just above another device in the rack say a router The other device then supports the NV8900 Place a non metal spacer 0 03 between the NV8900 and th...

Page 20: ...12 NV8900 Installation ...

Page 21: ...8900 items that can ship include One or more NV8900 devices One or more power supplies PS0001 with power cord retention straps The package does not contain network cables serial cables or mounting screws You do not need to take any special precautions regarding ESD This document does not address the shipment or installation of any other equipment or soft ware that can be used in conjunction with t...

Page 22: ...ectors You can connect a reference source to either one You can daisy chain the output of one reference connector to the input of another The output of the last connector in the series should be terminated with a 75Ω BNC terminator Your MADI interfaces must use the same video reference as your router especially an NV8500 family hybrid router 5 Optionally connect the ground lug to earth ground Use ...

Page 23: ...eivers and drivers operate at 125MHz which supports 100M bits per second under 4B5B encoding The receivers expect and the drivers produce 64 audio channels at exactly 48kHz The 64 channels consume 98 304 000 bps with a 1 7 margin for sync symbols and padding At least one sync symbol must accompany every MADI frame The minimal number of sync symbols is 48 000 per second At 10 bits per symbol that i...

Page 24: ...16 Misc Topics Audio Rates ...

Page 25: ...ADI to AES coax NV8900 Analog Audio to MADI Power Specifications NV8900 MADI to Analog Audio Power Specifications This rating is subject to driving loads of 10kW or more Specification Detail DC power External power supply 12VDC 10 5A Power consumption Each device consumes less than 10 Watts Regulatory UL listed and CE compliant Specification Detail DC power External power supply 12VDC 10 5A Power ...

Page 26: ...iency Efficiency 80 at full load typical 115VAC Weight 1 06 lb 0 48 kg Regulatory UL Listed and CE Compliant Indicator LED 5 24 133 0 2 39 60 7 AC Input 1 62 41 0 DC Output Detail Connectors 2 BNC 1 pair loop through non terminating 75Ω characteristic impedance Acceptable video reference rates NTSC 30 1 001 Hz frame rate 525 lines frame PAL 25 Hz frame rate 625 lines frame HD Trilevel 24 1 001 Hz ...

Page 27: ...J 45 jack RS 422 1 connector 9 pin D type usage determined by software SMPTE 207M Video reference 2 connectors BNC 75Ω Coax 33 BNC 75Ω connectors Balanced 4 DB25 110Ω and 1 BNC 75Ω Grounding terminal Copper accepts 14 6 AWG Specification Detail Dimensions Height 1 72 43 7 mm fits EIA 1 RU 1 75 or 44 5mm Width 19 0 482 6 mm Depth 16 34 0 01 415 0mm enclosure 17 00 431 8mm overall including connecto...

Page 28: ...ange 320 mVp p to 1Vp p into 75Ω Input return loss 15dB from 100kHz to 6MHz Input connectors BNC 75Ω Signal outputs Signal type AES 3id 2 mono channels per input Sample rate 48kHz Output level 1V p p 20 into 75Ω Output return loss 15dB from 100kHz to 6MHz Output connectors BNC 75Ω Specification Detail Signal inputs Signal type AES 3 2 mono channels per input Sample rate 48kHz Input level 1Vp p nom...

Page 29: ...ut CMRR 90dBu at 60Hz Frequency response 0 2dB from 20Hz to 100kHz THD 87dB at 1kHz 20 to 20 kHz Crosstalk 100dB at 1kHz SNR 106dB A weighted 20Hz to 20kHz Input connectors DB25 Signal outputs Output level 10 24dBu Input to output level variations 1dB nominal Frequency response 0 2dB from 20Hz to 100kHz Output impedance 50W nominal THD 87dB at 1kHz 20 to 20 kHz Crosstalk 100dB at 1kHz SNR 106dB A ...

Page 30: ...ntion Use the supplied retention strap to keep the AC power cord firmly connected to the power supply Follow these steps to use the strap 1 Firmly insert the AC power cord into the power supply Examine the last figure in this section to see how the strap should be applied n c 13 No 2 No 4 No 8 No 6 11 23 10 8 20 7 5 17 4 2 14 1 No 1 No 3 No 7 No 5 25 12 24 22 9 21 19 6 18 16 3 15 1 14 25 SHIELD SH...

Page 31: ...he strap around the back of the supply diagonally across so that it sticks out on the left below the output cord 5 Continue the strap around toward the buckle loop and through the loop Cinch the strap tightly While keeping tension place the 2 inch strap end with Velcro loops down on the fuzzy part to complete the process 6 Examine the strap though its path around the cord and power supply Be sure ...

Page 32: ...24 Specifications Drawings Fig 4 1 Front Top and Rear Views of the Balanced MADI to AES Interface 19 0 482 6 1 25 31 75 1 72 43 78 19 0 482 6 17 24 437 9 1 25 31 75 1 72 43 78 1 53 38 9 2 19 55 6 ...

Page 33: ...25 NV8900 User s Guide Fig 4 2 Front Top and Rear Views of the Coax MADI to AES Interface 19 0 482 6 1 25 31 75 1 72 43 78 19 0 482 6 17 24 437 9 1 25 31 75 1 72 43 78 1 53 38 9 2 19 55 6 ...

Page 34: ...26 Specifications Drawings Fig 4 3 Front Top and Rear Views of the Balanced AES to MADI Interface 19 0 482 6 1 25 31 75 1 72 43 78 19 0 482 6 17 24 437 9 1 25 31 75 1 72 43 78 1 53 38 9 2 19 55 6 ...

Page 35: ...27 NV8900 User s Guide Fig 4 4 Front Top and Rear Views of the Coax AES to MADI Interface 19 0 482 6 1 25 31 75 1 72 43 78 19 0 482 6 17 24 437 9 1 25 31 75 1 72 43 78 1 53 38 9 2 19 55 6 ...

Page 36: ...24 25 26 27 28 29 30 31 32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 19 0 482 6 1 25 31 75 1 72 43 78 1 ON 2 3 4 5 6 7 8 SDO8 CTRL PS1 PS2 DC IN 12V E146905 ETHERNET MADI OUT VID REF CONFIG 41 48 49 56 ANALOG AUDIO INPUTS 25 32 17 24 9 16 1 8 57 64 33 40 19 0 482 6 1 25 31 75 1 72 43 78 17 00 431 8 16 34 4...

Page 37: ... 25 26 27 28 29 30 31 32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 19 0 482 6 1 25 31 75 1 72 43 78 1 ON 2 3 4 5 6 7 8 SDO8 CTRL PS1 PS2 DC IN 12V E146905 ETHERNET MADI IN VID REF CONFIG 41 48 49 56 ANALOG AUDIO OUTPUTS 25 32 17 24 9 16 1 8 57 64 33 40 19 0 482 6 1 25 31 75 1 72 43 78 17 00 431 8 16 34 415...

Page 38: ...30 Specifications Drawings ...

Page 39: ...ax AES to MADI mux 27 29 Coax MADI to AES demux 25 Compact router 13 21 Configuration 4 Connectors automation 21 BNC 14 DB25 14 DE9 21 power 14 Contact Miranda 35 Control panel 13 Conventions 2 Corporate office contact 35 CR Series 21 Customer support 35 D DB25 connectors 14 DE9 connectors 21 Declaration of Conformance ii Digital audio specifications 20 Document notice of use ii part number ii rev...

Page 40: ... Installing a compact router 13 L Last Page Acrobat 1 License iii M MADI specifications 21 Maintenance 15 Middle East contact 35 Miranda contact 35 N Next Page Acrobat 1 Notice use ii NTSC 18 NV5500 general specifications 19 performance 23 NV9000 system controller 13 NV9000 SE Utilities 13 NV915 system controller 13 NV9605 13 O Office hours 35 Operating temperature 20 Operation 4 P Package content...

Page 41: ...ference 18 Static 13 Strap power cord retention 13 22 Support contact 35 Switch rotary 13 Symbols 2 for examples 2 for special messages 2 Symbols meaning iv System controller NV9000 13 NV915 13 T Tables analog audio specifications 21 digital audio specifications 20 environmental specifications 20 MADI specifications 21 physical specifications router 19 power specifications power supply 18 video re...

Page 42: ...34 Index ...

Page 43: ...0 a m 9 00 p m EST Telephone 1 800 224 7882 Fax 1 514 335 1614 E mail techsupp miranda com Europe Middle East Africa UK Office hours 9 00 a m 6 00 p m GMT Telephone 44 118 952 3444 Fax 44 118 952 3401 E mail eurotech miranda com France Office hours 9 00 a m 5 00 p m GMT 1 Telephone 33 1 55 86 87 88 Fax 33 1 55 86 00 29 E mail eurotech miranda com Asia Office hours 9 00 a m 5 00 p m GMT 8 Telephone...

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