Grass Valley 8977AP-4B User Manual

8977AP-4B/4U

DIGITAL AUDIO PROCESSING MODULES

Instruction Manual

PACKAGE VERSION 1.0.0

071852100
FEBRUARY 2007

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8977AP-4B/4U

DIGITAL AUDIO PROCESSING MODULES

Instruction Manual

PACKAGE VERSION 1.0.0

071852100
FEBRUARY 2007

Contacting Grass Valley

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[phone] or [phone]

Grass Valley Web Site

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Online User Documentation — Current versions of product catalogs, brochures,

data sheets, ordering guides, planning guides, manuals, and release notes
in .pdf format can be downloaded.

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found by searching our Frequently Asked Questions (FAQ) database.

Software Downloads — Download software updates, drivers, and patches.

4 8977AP-4B/4U — Instruction Manual

Contents

Preface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

8977AP-4B/-4U Digital Audio Processing Modules. . . . . . . . . . . . . . . . . . . . . 9

About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Module Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Software Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Module Placement in the GeckoFlex Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Rear Module Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

8900GEN-SM Genlock Submodule Installation . . . . . . . . . . . . . . . . . . . . . . . . 12

Front Module Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Power Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Operation Indicator LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Remote Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

8900NET Module Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Newton Control Panel Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Web Browser Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Web Page Operations and Functional Elements . . . . . . . . . . . . . . . . . . . . . . . . 24

Web Page Headers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

8977AP-4B and 8977AP-4U Links and Web Pages. . . . . . . . . . . . . . . . . . . . . . . . 26

Status Web Page. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

I/O Web Page. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Functional View Web Page. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Input Status and Settings Web Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Delay Web Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Gain Web Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Routing & Processing Pairs Web Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Output Status and Settings Web Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

User Settings Web Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Genlock Web Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

System Config Web Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Slot Config Web Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Power-up Diagnostics Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Electronic Circuit Breaker. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Table of Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Module Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

8977AP-4B/4U — Instruction Manual 5

Contents

Configuration Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

6 8977AP-4B/4U — Instruction Manual

Preface

About This Manual

This manual describes the features of the 8977AP module series and the
corresponding rear modules in the GeckoFlex frame. As part of this family
of modular products, it is subject to the Safety and Regulatory Compliance
infomation described in the GeckoFlex Frames Instruction Manual.

This manual also has instructions for using the 8900GEN-SM submodule.
For more detailed information, refer to the 8900GEN-SM GeckoFlex Genlock
Submodule Instruction Manual available online on the Thomson Grass Valley
web site.

When using any of the fiber optic options on any GeckoFlex module, refer
to the laser compliance information in the GeckoFlex Frames Instruction

Manual for safety information.

8977AP-4B/4U — Instruction Manual 7

Preface

8 8977AP-4B/4U — Instruction Manual

8977AP-4B/-4U Digital Audio Processing Modules

Introduction

Two versions of the audio processing modules are available; the 8977AP-4B
with balanced audio (with the 8900BA-R rear module) and the 8900AP-4U
with unbalanced audio (with the 8900UE-R rear module.)

The 8977AP-4B and the 8977AP-4U modules provide audio processing for
four AES audio streams for delay, gain, sample rate conversion, and
genlock timing functionality.

Module Features

The 8977AP-4B and 8977AP-4U module features include:

• Up to 4 channels of AES audio streams (balanced or unbalanced
depending on the rear module type installed),

• Input audio receiver and output driver stages to restore and drive
signals over long coaxial or paired cables,

• Passing of PCM and Non-PCM audio signals (Dolby E),

• Performing sample rate conversion of the PCM audio signals,

• Provides genlock timing for the audio input signals with the
8900GEN-SM submodule to synchronize the audio input signals at
48 kHz,

• Audio delay management (fixed and/or tracking delay),

• Audio gain ensures the tuning of the level of each channel,

• Routing channel and audio processing module performs the selection
between two channels before applying dedicated processing,

• Pair routing module determines the allocation of the outputs of each
pair, and

• Remote control and monitoring support includes a web interface, a
Newton control panel, a NetConfig management system, and SNMP
monitoring with an application such as NetCentral.

8977AP-4B/4U — Instruction Manual 9

Installation

Installation

Software Requirements

The front and the rear modules are delivered together as a set. Two choices
are available: one for balanced audio outputs with the 8900BA-R rear
module and one for unbalanced audio with the 8900UE-R rear module.

A 8900GEN-SM genlock submodule can be installed on the front 8977AP
module to provide a frame reference timing source.

The 8977AP-4B and the 8977AP-4U front modules can be plugged in and
removed from a GeckoFlex frame with power on without disrupting oper­ation on adjacent running modules. When power is applied to the module,
LED indicators reflect the initialization process (see Power Up on page 18).

An 8900NET module with software version 4.0.2 or later is mandatory for
configuring the 8977AP-4B and 8977AP-4U modules.

The Grass Valley NetCentral application must be running version 4.1.12.8A
or later for proper operation.

Module Placement in the GeckoFlex Frame

There are ten rear and front slot locations in the 2 RU frame to accommo­date audio and video modules. The 8977AP-4B and 8977AP-4U modules
can be plugged into any one of the GeckoFlex frame slots.

Note Use standard anti-static precautions when handling modules in the frame.

Figure 1. GeckoFlex Frame

10 8977AP-4B/4U — Instruction Manual

Rear Module Installation

8521_02

Note Do not completely remove the screws holding the retainer strips as they can

fall into other equipment and create a shorting hazard.

To install a rear module into the frame, follow these steps:

1. Unscrew the blank rear adapter cover (without removing the screws),

with a 2mm (5/64”) hex screwdriver (see Figure 2).

2. Remove the two retainer strips and the blank rear adapter cover using

a pair of needlenose pliers.

3. Insert the corresponding rear module in the slot.

4. Replace both retainer strips on each side of the rear module and tighten

the screws to secure the rear module.

Figure 2. Frame Rear

Installation

Note To extract the rear module, remove the front module first.

8977AP-4B/4U — Instruction Manual 11

Installation

8900GEN-SM Genlock Submodule Installation

Conditions

Before installing the 8977AP module, you will first need to determine if and
how you want to use a genlock reference or the available frame reference
buses. The genlock timing from an 8900GEN-SM submodule can be uti
lized in several ways. Refer to 8900GEN-SM GeckoFlex Genlock Instruction
Manual available online for a complete overview of using the genlock ref
erence.

In addition to the capability of providing a local external reference to this
specific 8977AP module with an 8900GEN-SM submodule installed, slots 1
and 3 of the GeckoFlex Frame have been specifically designed to distribute
an independent frame bus reference transmitted from the 8900GEN-SM
submodule mounted on another GeckoFlex module with this capability
configured for this purpose.

If another module with a genlock submodule installed has already been
configured and installed for frame bus distribution, you may configure this
module’s output timing to lock to the Frame Bus 1 or Frame Bus 2 reference
from the other 8977AP module. In this case, the 8977AP module does not
require the use of an additional 8900GEN-SM submodule.

-

-

The use of the genlock reference is determined by the setting of the Output
Timing on the System Config web page of the module and module place­ment in the frame and jumper configuration as summarized below:

• Local Reference – the 8977AP with an 8900GEN-SM submodule can
have a local external reference connected to the corresponding Refer­ence In BNC. This external timing reference will be fed to this specific
8977AP module only.

• Frame Reference 1 or 2 – when an 8977AP with an 8900GEN-SM sub­module is installed in slot 1 and/or slot 3, a frame timing bus can be
enabled to distribute the external reference connected to the corre­sponding Reference In BNC on the rear module to all modules in the
frame that can accept a genlock reference. Slot 1 provides Frame Bus 1
and slot 3 provides Frame Bus 2.

• Internal – when no 8900GEN-SM submodule is installed on the 8977AP
module, the Output Timing can be set to Internal so the output timing
will be in an internal freerun mode (delivered by a local oscillator).

Note The internal mode is mainly implemented for test and debug purposes during

the system setup of the module or in a standalone configuration where no
timing reference is required.

12 8977AP-4B/4U — Instruction Manual

Installation

Install Genlock submodule
on back of circuit board.
Center submodule connector J1
over front module connector J7
and snap in place. From top side
of module, tighten the screw
provided to the standoff on the
circuit board.

8521_08

Installation

The 8900GEN-SM Genlock submodule will ship in a separate package, not
installed on the front module.

To install a Genlock submodule, follow these steps:

1. Locate the Genlock connector J7, on the back side of the 8977AP circuit

board (Figure 3).

2. Line up the connector on the submodule, J1, with J7 on the front

module and snap the submodule into place making sure the holes in
each circuit board line up.

3. To hold the submodule in place, attach the captive screw provided from

the top of the front module to the standoff on the submodule circuit
board.

Figure 3. Installing 8900GEN-SM Genlock Submodule

8977AP-4B/4U — Instruction Manual 13

Installation

Frame Bus Jumpering

If you will be using this 8977AP module to distribute reference Frame Bus 1
(slot 1) or Frame Bus 2 (slot 3), you must set a jumper (GEN XMIT shown
in

Figure 4) on the front module circuit board for this purpose before

installing the module.

• Frame Bus 1 – to transmit the reference connected to the Reference In
BNC on the corresponding rear module on Frame Bus 1, set jumper J2
to

ENA (pins 1-2). This module must be installed in slot 1 of the frame

and configured on the Genlock web page (see the Genlock Web Page on

page 49) for

• Frame Bus 2 – to transmit the reference connected to the Reference In
BNC on the corresponding rear module on Frame Bus 2, set jumper J3

ENA (pins 1-2). This module must be installed in slot 3 of the frame

to
and configured on the Genlock web page (see the Genlock Web Page on

page 49) for

Note Both jumpers may be enabled. The module in slot 1 will only read the status

of jumper, J2. The module in slot 3 will only read the status of jumper, J3.

Auto in the Drive Frame Reference Bus pulldown.

Auto in the Drive Frame Reference Bus pulldown.

Figure 4. Setting Frame Bus Jumpers

8521_09

For Frame Bus 2 distribution, set
GEN XMIT jumper, J3
Pins 1-2 (ENA) or Pins 2-3 (DIS)

For Frame Bus 1 distribution, set
GEN XMIT jumper, J2
Pins 1-2 (ENA) or Pins 2-3 (DIS)

14 8977AP-4B/4U — Instruction Manual

Front Module Installation

After installing the rear module and the 8900GEN-SM Genlock submodule
if required, install the front module as follows:

1. Unscrew and remove the front cover.

2. Insert the front module in the guides of the corresponding slot.

3. The module ejector tab (Figure 5) must be locked in its locking pin.

Figure 5. Front Module Ejection

Installation

Card Carriers

Front Module Side View

Card Carriers

Ejector Tab

Locking Pin

8521_03

Module installed

Slide top and bottom card carriers on module
over top and bottom guides on right of slot.

8977AP-4B/4U — Instruction Manual 15

Cabling

8900BA-R

Reference Input

Audio Delay
Tracking Input

AES 1 Input

AES 2 Input

AES 3 Input

AES 4 Intput

AES 1 Output

AES 2 Output

AES 3 Output

AES 4 Output

Not Used

Not Used

8521_10

+

G

+

G

+

G

+

G

+

G

+

G

+

G

+

G

Cabling

Cabling to the 8977AP-4B and 8977AP-4U modules is done on the BNCs of
the 8900UE-R rear module or the three pin connectors on the 8900BA-R rear
module. Refer to

Figure 6 (8900BA-R) and Figure 7 on page 17 (8900UE-R)

for a detailed illustration of the rear connections.

The I/O Config web page (Figure 18 on page 31 for the 8977AP-4U and

Figure 19 on page 32 for the 8977AP-4B) shows the inputs and the outputs

assigned to the different connectors of the rear modules.

The 8977AP-4B and the 8977AP-4U outputs conform to the audio stan­dards listed in the output specifications in Tab le 3 on page 56.

Figure 6 gives the inputs and the possible audio output connections for the

8977AP-4B modules. Balanced audio pinouts (+/-/ G) are also illustrated.

Note J10 and J12 are not used in this release.

Refer to Figure 7 on page 17 for the 8900UE-R inputs and outputs illustra­tion.

Figure 6. 8900BA-R Rear Module

16 8977AP-4B/4U — Instruction Manual

Figure 7. 8900UE-R Rear Module

8900UE-R

Reference Input

Audio Delay Tracking Input

AES 1 Input

AES 2 Input

AES 3 Input

AES 4 Input

AES 1 Output

AES 2 Output

AES 3 Output

AES 4 Output

8521_10

Cabling

8977AP-4B/4U — Instruction Manual 17

Power Up

Power Up

Operation Indicator LEDs

Upon power-up, the green PWR LED should light and the CONFIG,
FAULT, and COMM LEDs should illuminate during the module initializa
tion.

Note When a module is first plugged into a GeckoFlex frame, the 8900NET module

may report a momentary fault. This will clear once the module has booted up.

The on-board LED indicators on the front of the module are illustrated in

Figure 8. Refer to Tab le 1 on page 20 to see a complete list of possible oper-

ating conditions and the resulting indicator status of all LEDs.

Figure 8. LED Indicators - Front View of 8977AP Module

-

8521_06

18 8977AP-4B/4U — Instruction Manual

Power Up

8521_07

Figure 9 shows the AES IN (1 to 8) LEDs. With a present audio input signal

connected, AES-IN (1 to 4) green LEDs should be on.

Note In this version, AES IN (5 to 8) LEDs are not used.

Figure 9. LED Indicators - Back View of the 8977AP module

8977AP-4B/4U — Instruction Manual 19

Power Up

A red FAULT LED indicates an error situation and, when noted with the
other indicator LEDs, can indicate a specific problem area.
signal output and LED indications.

Table 1. LED Indicators

LED Indication Condition

FAULT

(red)

COMM

(yellow)

CONF

(yellow)

PWR

(green)

FRM1

(green)

FRM2

(green)

TDM IN

REF IN

(green)

OPT PRES

AES IN 1-4

(green)

AES IN 5-8

(green)

Off Normal operation

On continuously Module has detected internal fault.

Flashing Configuration problems or checking inputs and settings or missing audio

Off No activity on frame communication bus

On continuously Locate Module Command

Flashing Activity present on the frame communication bus

Off Module is in normal operation mode

On continuously Module is initializing, changing operating modes, or programming hardware

Off No power to module or modules DC/DC converter failed

On Normal operation, module is powered

Off Reference frame bus is disabled to frame on Genlock web page or no Genlock submodule is installed in slot 1

On Reference frame bus is enabled on Genlock web page and Genlock submodule is installed in slot 1

Off Reference frame bus is disabled to frame on Genlock web page or no Genlock submodule is installed in slot 3

On Reference frame bus is enabled on Genlock web page and Genlock submodule is installed in slot 3

N/A Not used in this version

Off The frame reference input coax is not present on the BNC Ref In or signal is not locked

On The frame reference input coax is present on the BNC Ref In and signal is locked

N/A

Off No AES input signal detected

On One or more AES input signal detected

N/A Not used in this version

Not used in this version

Tab le 1 describes

20 8977AP-4B/4U — Instruction Manual

Remote Configuration

The 8977AP-4B and 8977AP-4U configuration and monitoring is per­formed using a web browser GUI interface or a networked Newton Control
Panel in the GeckoFlex frame (8900FFN). Each of these interfaces is
described below.

8900NET Module Information

Refer to the 8900NET Network Interface Module Instruction Manual from

4.0.2 version for information on the 8900NET Network Interface Module
and setting up and operating the GeckoFlex 8900 frame network.

Note Upgrade software and instructions for the 8900NET can be downloaded from

the Grass Valley web site. Refer to Contacting Grass Valley on page 4.

Newton Control Panel Configuration

Remote Configuration

A Newton Control Panel (hard or soft version) can be interfaced to the
GeckoFlex frame over the local network. Refer to the documentation that
accompanies the Newton Modular Control System for installation, config
uration, and operation information.

Control panel access offers the following considerations for module config­uration and monitoring:

• Ability to separate system level tasks from operation ones, minimizing

the potential for on-air mistakes.

• Ability to group modular products—regardless of their physical loca-

tions—into logical groups (channels) that you can easily manipulate
with user-configured knobs.

• Recommended for real-time control of module configuration parame-

ters, providing the fastest response time.

Note Some module functions are not available with the Newton Control Panel,

such as factory default recalls.

-

8977AP-4B/4U — Instruction Manual 21