Leitch Neo AS-3901-B Installation And Operation Manual

Audio synchronizers
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Installation and Operation Manual
Neo® AS-3901-B and -C
Audio Synchronizers
Edition C
175-000084-00
Delivering the Moment

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  • Page 1 Installation and Operation Manual Neo® AS-3901-B and -C Audio Synchronizers Edition C 175-000084-00 Delivering the Moment...
  • Page 2: Contact Information

    Publication Information © 2014 Imagine Communications Corp. Proprietary and Confidential. Imagine Communications considers this document and its contents to be proprietary and confidential. Except for making a reasonable number of copies for your own internal use, you may not reproduce this publication, or any part thereof, in any form, by any method, for any purpose, or in any language other than English without the written consent of Imagine Communications.
  • Page 3 Integrated Experience an Integrated Content Environment Leitch Technology is uniquely capable of meeting the needs of customers with a full range of products that provide Content the experience of an Integrated Content Environment — a streamlined workflow for the production, processing, transmission and management of content.
  • Page 4 AS-3901-B and -C Audio Synchronizers Installation and Operation Manual Edition C May 2005...
  • Page 6: Table Of Contents

    Manual Information ................vii Purpose ................... vii Audience ..................vii Revision History ................vii Writing Conventions ..............viii Obtaining Leitch Documents ............ix Unpacking the Module ................x Safety Standards and Compliances ............xi Safety Terms and Symbols ............. xi Chapter 1: Introduction Overview ....................1...
  • Page 7 Contents Upgrading the Firmware (Discovery Method) ....... 10 Upgrading the Firmware (Drag-and-Drop Method) ...... 12 Correcting a Failed Upgrading Procedure ..........14 Setting the Module to Fail-Safe Loader Mode ....... 14 Upgrading the Firmware in Fail-Safe Mode ........14 Rebooting the Module ..............16 Chapter 3: Operation Overview ....................
  • Page 8 Contents Miscellaneous ..................37 Propagation Delays .................37 Power Consumption ................37 Start-Up Time .................37 Appendix A: Tree View Navigation Overview ....................39 Navigating the Tree View ..............40 Tree View Parameters ................41 Appendix B: Audio Bit Manipulation Overview ....................43 Channel Status Bits ................44 Validity and User Bits ................46 Miscellaneous Data ................46 Appendix C: Audio Embedding Overview ....................47...
  • Page 9 Contents AS-3901-B and -C Installation and Operation Manual...
  • Page 10: Preface

    NEO™ AS-3901-B and -C Audio Synchronizers. Audience This manual is written for engineers, technicians and operators responsible for the installation, setup, maintenance, and operation of the NEO AS-3901-B and -C Audio Synchronizers. Revision History Table P-1. Revision History Edition Date...
  • Page 11: Writing Conventions

    Preface Writing Conventions This manual adheres to the following writing conventions. Table P-2. 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...
  • Page 12: Obtaining Leitch Documents

    Frames Installation and Operation Manual. If your current NEO frame manual is Edition A, B, C, or D, you will need to download an updated version from the Leitch Web site to access this information. Leitch documents can be viewed or downloaded from the Leitch Web site at www.leitch.com (go to Support>Documentation).
  • Page 13: Unpacking The Module

    • The corners of the product must be protected. If the product is still within the warranty period, Leitch Technology will return it to you by prepaid shipment after servicing. AS-3901-B and -C Installation and Operation Manual...
  • Page 14: Safety Standards And Compliances

    FR-3901, FR-3903, and FR-3923 Mounting Frames Installation and Operation Manual and can be downloaded from the Leitch Web site at www.leitch.com. Alternatively, contact your Leitch customer service representative for a copy of this safety manual. Safety Terms and Symbols This manual uses the following safety terms and symbols.
  • Page 15 Preface AS-3901-B and -C Installation and Operation Manual...
  • Page 16: Chapter 1: Introduction

    Chapter 1 Introduction Overview The NEO AS-3901-B and -C Audio Synchronizers are designed for use in NEO FR-3901 and FR-3903 rack-mounted frames. This chapter covers the following topics: • “Product Description” on page 2 • “Front and Back Modules” on page 3 •...
  • Page 17: Product Description

    Chapter 1: Introduction Product Description AS-3901-B and -C modules are audio synchronizers, supporting two AES audio inputs, and two AES processed synchronized audio outputs in balanced (AS-3901-B) and unbalanced (AS-3901-C) formats. Table 1-1 describes the two modules. Table 1-1. Product Description AS-3901 Input Output...
  • Page 18: Front And Back Modules

    Chapter 1: Introduction Front and Back Modules Front Module Figure 1-1 illustrates the position of the LEDs on the front modules of the AS-3901-B and -C modules. Front modules are designated by the suffix “-FM.” For example, the front module of the AS-3901-B is the “AS-3901-B-FM.”...
  • Page 19: Back Modules

    Chapter 1: Introduction Back Modules In the NEO frame, back modules are placed directly behind the front modules. Back modules are designated by the suffix “-BM.” For example, the back module of the AS-3901-B is the “AS-3901-B-BM.” The AS-3901-B-BM (Figure 1-2) and the AS-3901-C-BM (Figure 1-3)
  • Page 20: Plug-In Adapter

    Chapter 1: Introduction Plug-In Adapter The balanced back module (AS-3901-B-BM) is shipped with a Note detachable plug-in adapter (AIB-25-3901MF) for connecting twisted pair audio cables directly to the back module. Figure 1-5 illustrates the The AIB-25-3901MF is a pinouts and screw terminals for the plug-in adapter module and the universal adapter.
  • Page 21: Signal Flow

    Chapter 1: Introduction Signal Flow Figure 1-6 illustrates the signal flow for the AS-3901-B and -C modules. Figure 1-6. Functional Block Diagram of the AS-3901-B and -C Modules AS-3901-B and -C Installation and Operation Manual...
  • Page 22: Overview

    Edition A, B, C, or D, you will need to download an updated the NEO Safety Instructions and Precautions Manual. This docu- version from the Leitch Web site (www.leitch.com) to access this ment contains important infor- information. mation about the safe...
  • Page 23: Packing List

    Chapter 2: Installation and Removal Packing List Each AS-3901-B and AS-3901-C module package includes these items: • One AS-3901-B-FM or AS-3901-C-FM front module • One AS-3901-B-BM or AS-3901-C-BM back module • One AIB-25-3901MF plug-in adapter (AS-3901-B only) • One AS-3901-B and -C Audio Synchronizers Installation and Operation Manual per order Installing AS-3901-B and -C Modules This module requires no specialized installation procedures.
  • Page 24: Setting Jumpers

    Chapter 2: Installation and Removal Setting Jumpers Two jumpers, labelled J8 and J9, are located near the rear of the AS-3901-B-FM and AS-3901-C-FM front modules. A triangle symbol beside the jumpers indicates Pin 1. Table 2-1 for the position of the jumpers on the module. Table 2-1.
  • Page 25: Upgrading As-3901-B And -C Firmware

    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 manual or online help.
  • Page 26 Chapter 2: Installation and Removal If an fl0 folder is included in the .zip file, the files within that folder must now be uploaded as shown below. (In some cases, the readme file may indicate other separate files must be uploaded instead.) Follow these steps to upload the remaining files: 1.
  • Page 27: Upgrading The Firmware (Drag-And-Drop Method)

    Follow these steps to upgrade the firmware using the drag-and-drop method: 1. Download the appropriate most recent 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 by your CCS software application, enter the Build mode, and then drag or copy and paste the module’s device icon from the catalog folder into the...
  • Page 28 Chapter 2: Installation and Removal 8. Click OK. The Add Upgrade Files box appears. 9. Select the file and then click OK. 10. Click Perform Transfer and then click Yes. This may take several minutes. 11. Wait for the message File transfer to device succeeded in the status bar.
  • Page 29: Correcting A Failed Upgrading Procedure

    Follow these steps to upgrade the firmware in the fail-safe mode: Note 1. Download the most recent appropriate upgrade package from the To successfully upgrade the Leitch Web site or from your CD-ROM, and then unzip the upgrade firmware, you must follow these package. steps in the exact sequence described.
  • Page 30 Chapter 2: Installation and Removal 2. If the affected module has not been discovered by your CCS software application, enter the Build mode, and then drag or copy and paste the module’s device icon from the catalog folder into the Network or Discovery folder.
  • Page 31: Rebooting The Module

    Chapter 2: Installation and Removal Rebooting the Module Follow these steps to reboot the affected NEO module: Note 1. Click Reboot Device, and then click Yes. Some NEO modules will reboot After the module has rebooted, a message box advises you to wait automatically.
  • Page 32: Overview

    Chapter 3 Operation Overview This chapter describes how to operate the AS-3901-B and -C modules using card-edge controls. The following topics are found in this chapter: • “Operation Notes” on page 18 • “Cross-Functional Parameter Changes” on page 22 • “Navigating the Operator and All Lists”...
  • Page 33: Operation Notes

    Chapter 3: Operation Operation Notes When using the AS-3901-B or AS-3901-C modules, observe the Note following operation notes: If you do not observe these • If you change parameters within 16 seconds after the AS-3901 “Operation Notes,” you may banner first appears on the VFD, your changes will not be saved. accidentally change your Parameter changes that you make after this 16-second delay will be parameter settings.
  • Page 34: Pcm And Non-Pcm Processing

    Chapter 3: Operation PCM and Non-PCM Processing On the AS-3901-B and -C modules, the AESxFormat parameters provide the ability to select either PCM or Non-PCM as input formats. When PCM is selected, the following input sources are available selections for each OutxSrc parameter: •...
  • Page 35: Pcm Processing

    Chapter 3: Operation PCM Processing In PCM processing, if the selected source is AES1 Sum or AES2 Sum, the result is the sum of the two parts of the AES channel, divided by two. For example: ³ 2 AES1 Sum = (AES1a + AES1b) Thus, a stereo pair is averaged out, creating a mono signal.
  • Page 36: Non-Pcm Processing

    Chapter 3: Operation Non-PCM Processing Compressed non-PCM audio signals cannot be summed and averaged out. Therefore, if you have selected one of these options, the sources that appear in the Out01Src to Out04Src parameters are arbitrarily matched odd/even to left/right. In the non-PCM mode of operation, audio sample rate conversion cannot be performed.
  • Page 37: Cross-Functional Parameter Changes

    Chapter 3: Operation Cross-Functional Parameter Changes When you select values in certain specific parameters, you force changes to occur in other parameters. The following table describes forced settings and disabled parameters that result when certain audio parameters changes are made. Table 3-1.
  • Page 38: Navigating The Operator And All Lists

    Chapter 3: Operation Navigating the Operator and All Lists To navigate, and then view or change a parameter from the Operator and All Lists, follow these steps: 1. Open the front panel of the NEO frame. 2. Press any card-edge control to turn on the VFD screen. The message AS-3901-B or AS-3901-C appears.
  • Page 39: Operator And All List Parameters

    Chapter 3: Operation Operator and All List Parameters This complete list of parameter settings is arranged so that the settings Note most likely requiring changes are placed at the top of the list. Items on the bottom of the list are the least likely to require changing. Parameters You can reset the default values with the designation [RO] are “read-only.”...
  • Page 40 Chapter 3: Operation Table 3-2. Operator and All List Parameters (Continued) Parameter Card-Edge ID Function User Range Name • No* Invert1A, Invert: AES1a to Inverts the AES1a channel through to Invert1B, Invert: AES2b AES2b channel • Yes Invert2A, Invert2B • AES1a* Out01Src to Out 01 to Out 04 Selects the source for output channels 01 to...
  • Page 41: Setup Parameters

    Chapter 3: Operation Setup Parameters You can modify the Setup parameters to configure the card-edge Note controls for your personal needs. The Setup section appears at the end of all three navigation lists and consists of these items: Setup parameters on a local or remote control panel may be •...
  • Page 42: Alarms

    Chapter 3: Operation Alarms AS-3901-B and -C modules provide a default list of one alarm. You can disable any alarm by modifying the Alarms parameter in the Setup section. When you select Alarms, all of the active alarms are visible in the display, below Config (Configurations).
  • Page 43: Enabling Or Disabling An Alarm Parameter

    Chapter 3: Operation Enabling or Disabling an Alarm Parameter To enable or disable an alarm parameter, follow these steps: 1. Select Alarms, then select Config, and then press Enter. 2. Select one of the alarm parameters, and then press Enter. 3.
  • Page 44: Leds And Indicators

    Chapter 3: Operation LEDs and Indicators General Information The AS-3901-B or AS-3901-C Audio Synchronizers have twelve card-edge LEDs and four standard module indicators. The modules generate visible alarm signals to alert users of failures or impending failures. These alarm signals can be found in the following locations: •...
  • Page 45: Card-Edge Led Locations

    Chapter 3: Operation Card-Edge LED Locations Alarm signals are generated both by the AS-3901-B or AS-3901-C modules and by other modules and components in the NEO frame. For details on these alarms, refer to the relevant frame or module manuals. Figure 3-3 illustrates the locations of the LEDs and standard module indicators of the AS-3901-B or AS-3901-C.
  • Page 46: Led Descriptions

    Chapter 3: Operation LED Descriptions Figure 3-3 on page 30 for the location of the card-edge LEDs described in Table 3-4 Table 3-4. Card-Edge LED Color and Meaning LED Indicator Color Meaning SDI Present None (Not available in the AS-3901-B or AS-3901-C) Error None...
  • Page 47: Module Indicator Descriptions

    Chapter 3: Operation Module Indicator Descriptions Figure 3-3 on page 30 for the location of the module indicators described in Table 3-5 Table 3-5. Module Indicators Color and Meaning Indicator Color Meaning (When Lit) Major Alarm No major alarms in the AS-3901-B and -C modules Minor Alarm Yellow...
  • Page 48: Overview

    Chapter 4 Specifications Overview The tables in this chapter list the following specifications for the AS-3901-B and -C modules: • “Input” on page 34 • “Output” on page 36 • “Miscellaneous” on page 37 Specifications and designs are subject to change without notice. AS-3901-B and -C Installation and Operation Manual...
  • Page 49: Input

    Chapter 4: Specifications Input Balanced AES Input (-B Version Only) Table 4-1. Balanced AES Input Specifications Item Specification Connector DB-25 female Sensitivity <200 mV Impedance 110Ω ± 20% (0.1 to 6 MHz) Maximum input signal 10 V pk-to-pk Common mode rejection 0 to 7 V (0 to 20 kHz) Input audio rate 32 kHz to 108 kHz...
  • Page 50: Balanced Dars Input (-B Version Only)

    Chapter 4: Specifications Balanced DARS Input (-B Version Only) Table 4-3. Balanced DARS Input Specifications Item Specification Connector DB-25 female Sensitivity <200 mV Impedance 110Ω ± 20% (0.1 to 6 MHz) Maximum input signal 10 V pk-to-pk Common mode rejection 0 to 7 V (0 to 20 kHz) Unbalanced DARS Input (-C Version Only) Table 4-4.
  • Page 51: Output

    Chapter 4: Specifications Output Balanced AES Output (-B Version Only) Table 4-5. Balanced AES Audio Output Specifications Item Specification Connector DB-25 female Output level 4.0 V pk-to-pk < Jitter 40 ns pk-to-pk Rise and fall time 30 to 44 ns (10% to 90%) Impedance 110Ω...
  • Page 52: Miscellaneous

    Chapter 4: Specifications Miscellaneous Propagation Delays Table 4-7. Propagation Delay Specifications Item Specification Audio (minimum delay setting) 2.1 msec Power Consumption Table 4-8. Power Consumption Specifications Item Specification Power consumption +24 V: <13 W Start-Up Time Table 4-9. Start-Up Time Specifications Item Specification Start-up time...
  • Page 53 Chapter 4: Specifications AS-3901-B and -C Installation and Operation Manual...
  • Page 54: Appendix A: Tree View Navigation

    Appendix A Tree View Navigation Overview The Tree View is one of the three navigation modes available on the AS-3901-B and -C modules. Unlike the other navigation modes, the Tree View is a multi-level list of parameters, arranged in the following main groups: •...
  • Page 55: Navigating The Tree View

    Appendix A: Tree View Navigation Navigating the Tree View To navigate and then view or change a parameter from the Tree View, follow these steps: 1. Open the front panel of the NEO frame. 2. Press any card-edge control to turn on the VFD display. Note The message AS-3901-B or AS-3901-C will appear as the banner If you do not wish to make...
  • Page 56: Tree View Parameters

    Appendix A: Tree View Navigation Tree View Parameters Unlike the Operator and All List navigation modes, the Tree View is a multi-level structure that includes all of the available card-edge parameters. Parameters with the designation [RO] are “read-only.” An asterisk (*) indicates the default user range or value. page 40 for instructions on navigating the Tree View.
  • Page 57 Appendix A: Tree View Navigation Processing AudioProc DitherMode (Options: None*, On) Out01_DR to Out04_DR (Options: 24 bits, 20 bits*, 16 bits) Other FadeRate (Range: 0.000 to 10.000 s; 0.010 s*) Synchronization Delay Delay_1A, Delay_1B, Delay_2A, and Delay_2B (Range: 0.00* to 1320.00 msec) Setup Alarms Config...
  • Page 58: Appendix B: Audio Bit Manipulation

    Appendix B Audio Bit Manipulation Overview The following tables contains information on manipulating audio bits. The receiver is a B3 implementation; the transmitter is a standard implementation. RX Key: N = not recognized, Y = recognized, S = recognized and stored or passed through or both TX Key: N = not transmitted, Y = transmitted AS-3901-B and -C Installation and Operation Manual...
  • Page 59: Channel Status Bits

    Appendix B: Audio Bit Manipulation Channel Status Bits Table B-1. C-Bit Manipulation Byte Function Remarks [0] Consumer Use Set to 1 [1] Professional Use [0] Audio Passed unmodified [1] Non-Audio 2 to 4 [000] Not Indicated Passed unmodified [100] No Emphasis [110] 50/15 us [111] CCITT J.17 •...
  • Page 60 Appendix B: Audio Bit Manipulation Table B-1. C-Bit Manipulation(Continued) 3 to 5 [000] Not Indicated Set to [100] if 16 bits [001] Max Length - 1 otherwise set to [101] [010] Max Length - 2 [011] Max Length - 3 [100] Max Length - 4 [101] Max Length [110] To [111] Undefined...
  • Page 61: Validity And User Bits

    Appendix B: Audio Bit Manipulation Validity and User Bits Table B-2. V- and U-Bit Manipulation Bit Manipulation Remarks Validity (V) Bit No automatic adjustment User (U) Bit Passed unmodified Miscellaneous Data Table B-3. Miscellaneous Data Item RX Specification TX Specification Audio Sampling Frequency 32 to 108 (kHz)
  • Page 62: Appendix C: Audio Embedding

    Appendix C Audio Embedding Overview The audio embedder component in the AS-3901-B and -C modules are composed of several smaller subcomponent blocks: • One ancillary data stripper (ADS) • Four audio embedding subcomponents The first subcomponent is an ancillary data stripper (ADS). This block allows the user to remove all audio groups presently in the input SDI stream, prior to embedding.
  • Page 63: Embedding Errors

    Appendix C: Audio Embedding Embedding Errors During the embedding operation, errors may arise for the following reasons: • An attempt is made to append a group when it is already present. • An attempt is made to overwrite a group when it is not present. •...
  • Page 64: Index

    Index Keywords – DARS specifications Add Upgrade Files box balanced input (B version) AES specifications balanced input (B version) unbalanced input (C version) balanced output (B version) default settings for alarms unbalanced input (C version) DejaView unbalanced output (C version) disabling or enabling alarms –...
  • Page 65 Index returning equipment revision history LED descriptions – LEDs and indicators safety standards and compliances setting up the module main features Setup parameters manuals, purchasing shipping equipment module indicator descriptions signal flow module installation – Software Upgrade tab – software upgrading state recovery of alarms synchronizing alarms navigating parameter lists...
  • Page 66 (each, a "Customer") of hardware or software products manufactured by Leitch (each, a "Product"), or of non-warranty repair or other services provided by Leitch ("Services"), that each such Product and all such Services will be free from defects in materials and workmanship that adversely affect the Product's performance or the Services' intended purpose for a period (the "Warranty Period")

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