Belden Grass Valley NV8900 User Manual
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Belden Grass Valley NV8900 User Manual

Madi interface
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NV8900
MADI INTERFACE
User's Guide
VERSION 1.4
UG0056-04
2015-07-09
www.grassvalley.com

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Summary of Contents for Belden Grass Valley NV8900

  • Page 1 NV8900 MADI INTERFACE User’s Guide VERSION 1.4 UG0056-04 2015-07-09 www.grassvalley.com...
  • Page 2 Copyright and Trademark Notice Copyright © 2015, Grass Valley USA, LLC. All rights reserved. Belden, Belden Sending All The Right Signals, and the Belden logo are trademarks or registered trademarks of Belden Inc. or its affiliated companies in the United States and other jurisdictions.
  • Page 3 NV8900 User’s Guide Electrostatic Discharge (ESD) Protection Electrostatic discharge occurs when electronic components are improperly handled and can result in intermittent failure or complete damage adversely affecting an electrical circuit. When you remove and replace any card from a frame always follow ESD-prevention procedures: •...
  • Page 4 immédiatement à l'eau savonneuse. Ne jamais ingérer le liquide. La toxicité est extrêmement faible, mais la prudence demeure de mise en tout temps. Recycling Visit www.grassvalley.com for recycling information. Certification and Compliance Safety Compliance This equipment complies with the requirements of CSA/UL/IEC/EN 60950-1, 2 Ed.

  • Page 5: Table Of Contents

    Table of Contents 1 Preface ..........1 Chapter Structure .
  • Page 6 Audio Specifications ............. .20 Connectors.

  • Page 7: Preface

    Preface Chapter 1 provides an introduction to the NV8900 Series User’s Guide. Summary Chapter Structure ..............1 The PDF Document .

  • Page 8: Terms, Conventions And Abbreviations

    Preface Terms, Conventions and Abbreviations The following conventions are used throughout this guide:  • The symbol 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’...

  • Page 9: Nv8900

    NV8900 Chapter 2 provides a functional description of the NV8900 Series interfaces. Summary AES Interfaces ............... . . 3 Analog Audio Interfaces .

  • Page 10: Functions

    NV8900 This is a rear view of the AES (balanced) to MADI interface: It has 4 DB25 connectors supporting the AES inputs. The MADI to AES (balanced) interface is similar, except for the legend. This is a rear view of the AES (coax) to MADI interface: Here, there are 32 BNC connectors supporting the AES inputs.

  • Page 11: Analog Audio Interfaces

    NV8900 User’s Guide Analog Audio Interfaces The NV8900 analog audio interfaces are larger, and more complex than, the AES interfaces and provide a number of status LEDs: The MADI-to-analog-audio interface is a demultiplexer that has two MADI inputs and 64 analog audio outputs (32 pairs).

  • Page 12: Analog Audio To Madi Interface

    NV8900 Analog Audio to MADI Interface This is a front view of the analog-audio-to-MADI interface: Power Supply LEDs Channel LEDs Alarm LED MADI LEDs Ref. LED Rotary Switch This is a rear view of the analog-audio-to-MADI interface: DIP Switches Power (2) Ethernet Video Reference Analog Audio Inputs (DB25)

  • Page 13: Signal Connectors

    NV8900 User’s Guide Signal Connectors At the rear of the AA-to-MADI interface are signal connectors. There are 2 MADI outputs (BNCs), two video reference connectors (BNC, loop-through), and 8 DB25s for analog audio input. CTRL ETHERNET 9-16 17-24 25-32 ANALOG AUDIO DC IN MADI OUT VID REF...

  • Page 14: Madi To Analog Audio Interface

    NV8900 MADI to Analog Audio Interface This is a front view of the MADI-to-analog-audio interface: Power Supply LEDs Channel LEDs Alarm LED MAD I LEDs Ref. LED Rotary Switch This is a rear view of the MADI-analog-audio interface: DIP Switches Power (2) Ethernet Video Reference...

  • Page 15: Connectors

    NV8900 User’s Guide  These LEDs behave differently from those of the AA-to-MADI interface. The reference signal is represented by an LED. This LED is green when the reference is good and red when it is not. An alarm LED is off under normal operation but turns red for the following conditions: •...

  • Page 16: Installation

    NV8900 The first 3 switches control the overall audio level of the unit: Switch Switch Level Level +24 dBu +16 dBu +22 dBu +14 dBu +20 dBu +12 dBu +18 dBU +10 dBu Switches 4–6 are reserved for future use. It does not matter which way these switches are set.
  • Page 17 NV8900 User’s Guide The extension plates fit in the slots of the small plate, and the small plate supports the weight of the NV8900, as shown: (front of unit) ME1714-xx ME1745-xx Attach to rear rack posts. ME1714-xx ME1745-xx The (4) metal plates, and screws, are attached to the NV8900 during shipment. Keep them in a safe place until you are ready to install the NV8900.
  • Page 18 NV8900...

  • Page 19: Misc. Topics

    Misc. Topics Chapter 3 provides the following: Summary Package Contents ..............13 Installation .
  • Page 20 Misc. Topics Follow these steps to install an NV8900 interface: 1 Set the position of the 16-position rotary switch on the front of the interface. Set the switch to any non-zero position. Although the switch is not used at present, in the future MRC will use the switch position to distinguish multiple NV8900s on an Ethernet LAN.

  • Page 21: Obtaining Software And Documentation

    NV8900 User’s Guide Some of the MADI interfaces use DB25 connectors. You can obtain DB25 breakout cables from Grass Valley or build your own cables. (The Grass Valley part number is WC0053. The sales order code is NV5000-CABLE1.) Obtaining Software and Documentation This document is available through the Grass Valley web site.
  • Page 22 Misc. Topics...

  • Page 23: Specifications

    Specifications Chapter 4 provides an introduction to the NV8900 Series User’s Guide. Summary Power Specifications ..............17 Reference Specifications .
  • Page 24 Specifications NV8900 MADI to Analog Audio Power Specifications This rating is subject to driving loads of 10 kW or more. Specification Detail DC power External power supply: 12 VDC ± 10%, 5 A. Power consumption Each device consumes less than 45 Watts. Regulatory UL listed and CE compliant.

  • Page 25: Reference Specifications

    NV8900 User’s Guide Reference Specifications NV8900 Video Reference Specifications. 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 25 Hz frame rate 625 lines/frame HD Trilevel (24/1.001) Hz frame rate 1080p 24 Hz frame rate 1080p...

  • Page 26: Environmental Specifications

    Specifications Specifications for Analog Audio Interfaces Specification Detail Dimensions Height: 1.72 in (43.7 mm), fits EIA 1 RU (1.75 in or 44.5 mm). Width: 19.0 in (482.6 mm). Depth: 16.34 ± 0.01 in (415.0 mm), enclosure; 17.00 in (431.8 mm) overall, including connectors.
  • Page 27 NV8900 User’s Guide NV8900 AES Balanced Specifications. Specification Detail Signal inputs Signal type: AES-3 (2 “mono” channels per input). Sample rate: 48 kHz. Input level: 1V p-p nominal into 110 Ω. Input range: 200 mV p-p to 10 V p-p into 110 Ω. Input connectors: DB25, 110 Ω.

  • Page 28: Connectors

    Specifications Connectors Serial Connector The serial connector for all NV8900 MADI Interfaces has this pinout: TX– RX– n.c. The connector is RS-485, female, but can be used as RS-422. However, the port is unused and reserved for future expansion. Balanced AES Connectors Balanced AES inputs and outputs use 110 Ω...

  • Page 29: Power Cord Retention

    NV8900 User’s Guide Power Cord Retention 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.
  • Page 30 Specifications Fig. 4-1: Front, Top, and Rear Views of the Balanced MADI to AES Interface...
  • Page 31 NV8900 User’s Guide Fig. 4-2: Front, Top, and Rear Views of the Coax MADI to AES Interface...
  • Page 32 Specifications Fig. 4-3: Front, Top, and Rear Views of the Balanced AES to MADI Interface...
  • Page 33 NV8900 User’s Guide Fig. 4-4: Front, Top, and Rear Views of the Coax AES to MADI Interface...
  • Page 34 Specifications Fig. 4-5: Front, Top, and Rear Views of the Analog Audio to MADI Interface...
  • Page 35 NV8900 User’s Guide Fig. 4-6: Front, Top, and Rear Views of the MADI to Analog Audio Interface...
  • Page 36 Specifications...

  • Page 37: Index

    Index DE9 ........22 power .
  • Page 38 Fan ......... 20 Next Page, Acrobat .
  • Page 39 NV8900 User’s Guide Reference video ......14 termination ......14 RJ-45 .

  • Page 41: Contact Us

    Contact Us Grass Valley Technical Support For technical assistance, contact our international support center, at 1-800-547-8949 (US and Canada) or +1 530 478 4148. To obtain a local phone number for the support center nearest you, please consult the Contact Us section of Grass Valley’s website ( www.grassvalley.com An online form for e-mail contact is also available from the website.

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