Imagine NEO AS-3981-AD Setup guide
Delivering the Moment
Installation and Operaon Manual
Neo® AS-3981-AD
Analog-to-Digital Audio Converter/
Synchronizer
Edion B
175-000073-00
Publicaon Informaon
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Integrated
Content
Environment
Edition B
April 2005
AS-3981-AD
Analog-to-Digital Audio Converter/
Synchronizer
Installation and Operation Manual
AS-3981-AD Installation and Operation Manual iii
Contents
Preface
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
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 AS-3981-AD Modules .............................................................8
Removing AS-3981-AD Modules ...........................................................8
Setting Jumpers ........................................................................................9
Audio Tracking Pairs .............................................................................11
iv AS-3981-AD Installation and Operation Manual
Contents
Upgrading AS-3981-AD Firmware ....................................................... 13
Upgrading the Firmware (Discovery Method) ............................... 13
Upgrading the Firmware (Drag-and-Drop Method) ...................... 15
Correcting a Failed Upgrading Procedure ............................................. 17
Setting the Module to Fail-Safe Loader Mode ............................... 17
Upgrading the Firmware in Fail-Safe Mode .................................. 17
Rebooting the Module .................................................................... 19
Chapter 3: Operation
Overview ............................................................................................... 21
Operation Notes ..................................................................................... 22
Cross-Functional Parameter Changes ................................................... 23
Navigating the Operator and All Lists .................................................. 24
Operator and All List Parameters .......................................................... 25
Setup Parameters ................................................................................... 30
Alarms ................................................................................................... 31
Alarm Synchronization .................................................................. 31
Identifying the Cause of an Alarm ................................................. 31
Enabling or Disabling an Alarm Parameter ................................... 32
Restoring Default Settings ............................................................. 32
State Recovery Parameter Availability ................................................. 33
LEDs and Module Indicators ................................................................ 34
General Information ....................................................................... 34
Card-Edge Locations ...................................................................... 35
LED Descriptions ........................................................................... 36
Module Indicator Descriptions ....................................................... 37
Chapter 4: Specifications
Overview ............................................................................................... 39
Input ...................................................................................................... 40
Balanced Analog Audio ................................................................. 40
External Reference ......................................................................... 40
Output .................................................................................................... 41
Digital Audio .................................................................................. 41
Processing Performance ................................................................. 42
Miscellaneous ........................................................................................ 43
Power Consumption ....................................................................... 43
Start-Up Time ................................................................................ 43
AS-3981-AD Installation and Operation Manual v
Contents
Appendix A: Tree View Navigation
Overview ................................................................................................45
Navigating the Tree View ......................................................................46
Tree View Parameters ............................................................................47
Appendix B: Manipulating Audio Bits
Overview ................................................................................................51
Channel Status Bits ................................................................................52
Validity and User Bits ............................................................................54
Index
Keywords ...............................................................................................55
vi AS-3981-AD Installation and Operation Manual
Contents
AS-3981-AD Installation and Operation Manual vii
Preface
Manual Information
Purpose
This manual details the features, installation, operation, maintenance,
and specifications of the NEO™ AS-3981-AD Analog-to-Digital Audio
Converter/Synchronizer.
Audience
This manual is written for engineers, technicians and operators
responsible for the installation, setup, maintenance, and operation of the
NEO AS-3981-AD Analog-to-Digital Audio Converter/Synchronizer.
Revision History
Table P-1. Revision History
Edition Date Revision History
A February 2003 Initial release
B February 2005 Revision of product codes, alarms
modifications, and template updates
viii AS-3981-AD Installation and Operation Manual
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
terms and specialized words that need
emphasis
CAPS Indicates a specific key on the keyboard,
such as ENTER, TAB, CTRL, ALT,
DELETE
Code Indicates variables or command-line
entries, such as a DOS entry or something
you type into a field.
> Indicates the direction of navigation
through a hierarchy of menus and
windows.
hyperlink Indicates a jump to another location within
the electronic document or elsewhere
Internet address Indicates a jump to a Web site or URL
Note
Indicates important information that helps
to avoid and troubleshoot problems
AS-3981-AD Installation and Operation Manual ix
Preface
Obtaining Leitch Documents
Installation, navigation, configuration, and setup information is now
included in the NEO FR-3901, FR-3903, and FR-3923 Mounting
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).
Alternatively, contact your Leitch customer service representative to
request a document.
x AS-3981-AD Installation and Operation Manual
Preface
Unpacking the Module
Before you install and configure NEO modules, follow these steps:
1. Check the equipment for any visible damage that may have
occurred during transit.
2. Confirm that you have received all items listed on the packing list.
3. Remove the anti-static shipping pouch, if present, and all other
packaging material.
4. Retain the original packaging materials for possible reuse.
5. Contact your Leitch sales representative if parts are missing or
damaged.
Keep at least one set of original packaging in the event that a product
needs to be returned for service. If the original package is not available,
you can purchase replacement packaging 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 warranty period, Leitch Technology will
return it to you by prepaid shipment after servicing.
AS-3981-AD Installation and Operation Manual xi
Preface
Safety Standards and Compliances
See the NEO Safety Instructions and Standards Manual to find the
safety standards and compliances for this NEO series product. A safety
manual is shipped with every 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. See your
NEO Safety Instructions and Precautions Guide for more information.
Table P-3. Safety Terms and Symbols Used in Manual
WARNING:
Statements identifying conditions or practices that can result in
personal injury or loss of life: High voltage is present. Uninsulated
dangerous voltage within the product’s enclosure may be sufficient
to constitute a risk of electric shock to persons.
CAUTION:
Statements identifying conditions or practices that can result in
damage to the equipment or other property: Important operating
and maintenance (servicing) instructions in the literature
accompanying the product.
xii AS-3981-AD Installation and Operation Manual
Preface
AS-3981-AD Installation and Operation Manual 1
Chapter 1
Introduction
Overview
The AS-3981-AD is an Analog-to-Digital Audio Converter/
Synchronizer designed for NEO 1RU and 3RU rack-mounted frames.
This chapter covers the following topics:
•“Product Description” on page 2
•“Front and Back Modules” on page 3
•“Signal Flow” on page 6
See the FR-3901, FR-3903, and FR-3923 Installation and Operation
Manual for information about NEO frames. The frame manual 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-3923 Mounting 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
(www.leitch.com) to access this
information.
2 AS-3981-AD Installation and Operation Manual
Chapter 1: Introduction
Product Description
The AS-3981-AD consists of two independent audio processing units,
capable of handling two pairs (four channels) of analog audio inputs,
and two pairs of digital audio outputs. This module provides audio
synchronization and delay, in addition to full audio processing
capabilities, including gain, channel swap, invert, and delay control.
The AS-3981-AD also has four independent tone generators.
Main Features
These are the main features of the AS-3981-AD module:
• Two independent analog-to-digital conversion channels
• Audio-to-video synchronization and delay with tracking capability
• 32/44.1/48/96 kHz capability
• Selectable 16-, 20-, and 24-bit analog-to-digital conversion
• Internal audio processing amplifier
• Multiple tone generators (750 Hz, 1.5 kHz, 3 kHz, and 6 kHz)
• Four balanced analog audio inputs
• Peak/Silence/Tone indication
• Selectable delay for each channel
• Two balanced and two unbalanced AES audio outputs
• External video and DARS reference input
• Compliance with AES 11
• Capability for control via card-edge, local control panels, remote
control panels, and GUI applications such as Command Control
System™ Pilot (3901RES-E resource module is required for
Ethernet use)
AS-3981-AD Installation and Operation Manual 3
Chapter 1: Introduction
Front and Back Modules
Front Module
NEO front modules are designated by the suffix “-FM.” For example,
the front module of the AS-3981-AD is the “AS-3981-AD-FM.”
Figure 1-1 illustrates the position of the LEDs and card-edge controls
on the AS-3981-AD-FM front module.
Figure 1-1. AS-3981-AD-FM Front Module
Top view
Nav+/Nav- switch
(up/down) Extractor handle
Escape button
Module
Status
Minor
Alarm
Major
Alarm Power
SW1
Nav +
Nav -
Enter
Esc
MAJOR
ALARM
MINOR
ALARM
POWER MODULE
STATUS
Module indicators
Remote/Local
switch
LEDs
Enter button
REM LOC
Sync/delay
Genlocklock
Genlockpresent
Genlockstd
DARSpresent
DARSreference
AES1present(non-functional)
Ch1peak
Ch1mute
Ch1tone
AES2present(non-functional)
Ch2peak
Ch2mute
Ch2tone
Card extractor
Remote/Local switch
(hidden behind extractor)
Front view
64 X 16 VFD
submodule
Visible display area
Nav+/Nav- switch
(up/down)
Escape button
Enter button
4 AS-3981-AD Installation and Operation Manual
Chapter 1: Introduction
Back Module
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-3981-AD is the
“AS-3981-AD-BM.” (See Figure 1-2)
Figure 1-2. AS-3981-AD-BM Back Module
Back Module Pinouts
Figure 1-3 shows the pinouts for the Balanced Analog Audio In/DARS
In/Balanced AES Out connector on the AS-3981-AD-BM back module.
Figure 1-3. AS-3981-AD-BM Back Module Balanced Pinouts
1
25
13
14
AG
G
-+
G
-+
G
-+
DARS in
Channel
1A
Channel
2A
Channel
1B
Channel
2B Channel 2 Channel 1
Balanced analog audio in
Balanced
AES out
AG AG
AG
-
+
AG
-
+
AG
AG
-
+
AG
-
+
AS-3981-AD Installation and Operation Manual 5
Chapter 1: Introduction
Plug-In Adapter
The AS-3981-AD-BM back module is shipped with a detachable
plug-in adapter (AIB-25-MF) for connecting twisted-pair audio cables
directly to the back module. Figure 1-4 identifies the screw terminals
for the AIB-25-MF plug-in adapter.
Figure 1-4. Screw Terminals for the AIB-25-MF Plug-In Adapter
Analog audio input (1st two rows)
Analog
grounds
Digital
grounds
GGGGG
+_+
_
GGGG G
+_+
_
G+_
G+_G+_
Ch 2B Ch 2A
Ch 1B Ch 1A
AES 1 AES 2 DARS
balancedbalanced
Digital audio output and DARS input (3rd row)
balanced
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