Grass-valley 8920ADC v.2.0.1A Bedienungsanleitung

8920ADC AUDIO A-TO-D CONVERTER Instruction Manual SOFTWARE VERSION 2.0.1A 071059503JUNE 2005

10 8920ADC Instruction ManualInstallation Cabling Note At the back of this manual are overlay cards that can be placed over the rear connector BNCs

8920ADC Instruction Manual 11Power Up Power Up The front LED indicators and configuration switches are illustrated in Figure 4. Upon power-up, the g

12 8920ADC Instruction ManualPower Up Table 3 provides the possible input conditions and the output condition that results. REM OVER (yellow) Off

8920ADC Instruction Manual 13Configuration Configuration The 8920ADC can be configured locally using onboard switches or remotely using the 8900NET ne

14 8920ADC Instruction ManualConfiguration Output Level Adjustment To correctly adjust the 8920ADC for your digital application, determine your maxi

8920ADC Instruction Manual 15Configuration There are three ways to adjust the onboard gain toggle switches to the proper level:•Apply the maximum le

16 8920ADC Instruction ManualConfiguration Configuring Output Mode The 8920ADC provides thirteen possible output configurations as shown in Table 5.

8920ADC Instruction Manual 17Configuration Table 6 provides a complete summary of the 8920ADC processing func-tions and a comparison of the function

18 8920ADC Instruction ManualConfiguration Local Onboard Module Configuration The 8920ADC module can be configured locally to set parameters using th

8920ADC Instruction Manual 19Configuration Remote Configuration and Monitoring8920ADC configuration and monitoring can be performed using a web browser G

2 8920ADC Instruction Manual Contacting Grass Valley Copyright © Thomson Broadcast and Media Solutions All rights reserved. Grass Valley Web Site

20 8920ADC Instruction ManualConfiguration Figure 6. Newton Configurator ExampleWeb Browser InterfaceThe web browser interface provides a graphical rep

8920ADC Instruction Manual 21Configuration Note The physical appearance of the web page displays on the web pages shown in this manual represent the us

22 8920ADC Instruction ManualConfiguration 8920DAC Links and Web PagesThe 8900 GUI provides the following links and web pages for the 8920ADC module (F

8920ADC Instruction Manual 23Configuration Status Web PageThe Status web page (Figure 9) shows the input signal status of the audio input and the Refer

24 8920ADC Instruction ManualConfiguration Audio Control and Status Web PageThe Audio Control and Status web page (Figure 10 on page 25) provides contr

8920ADC Instruction Manual 25Configuration • Left and Right Channel Levels – fine gain adjustment of the module output levels can be done with the Left

26 8920ADC Instruction ManualConfiguration User Settings Web PageThe User Settings web page (Figure 11) allows you to set the following parameters:• Se

8920ADC Instruction Manual 27Configuration Slot Config Web PageUse the Slot Config web page (Figure 12 on page 28) to perform the fol-lowing functions on

28 8920ADC Instruction ManualConfiguration Figure 12. 8920ADC Slot Config Web Page

8920ADC Instruction Manual 29Configuration Software Update Web PageThe Software Update page (Figure 13) is not used to update 8920ADC soft-ware. For in

8920ADC Instruction Manual 3 Contents Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30 8920ADC Instruction ManualSpecifications SpecificationsTable 8. 8920ADC Specifications Parameter ValueAnalog InputNumber of inputs Balanced stereo pa

8920ADC Instruction Manual 31Service ServiceThe 8920ADC modules make extensive use of surface-mount technology and programmed parts to achieve compact

32 8920ADC Instruction ManualStatus Monitoring Status MonitoringThis section provides a summary of status monitoring and reporting for a Gecko 8900 Se

8920ADC Instruction Manual 33Status Monitoring In general, LED colors used on the frame and modules indicate:•Green – normal operation, (Pass) or sign

34 8920ADC Instruction ManualStatus Monitoring SNMP Reporting The Gecko 8900 Series system uses the Simple Network Monitoring Pro-tocol (SNMP) interne

8920ADC Instruction Manual 35Functional Description Functional DescriptionThe 8920ADC Converts an analog audio stereo pair to a 48 KHz AES/EBU signal.

36 8920ADC Instruction ManualFunctional Description Digital Reference InputThe digital reference is applied via the loop-through input to the AES rece

8920ADC Instruction Manual 37 IndexNumerics20/24-bit DACremote indication 248900 frameframe alarm 33status reporting 328900-FLOAD-CBL option 29890

38 8920ADC Instruction ManualIndex assigning 27installation 8Lleft channel levelremote control 25summary table 17LEFT IN > -20 dBFS LED 12LEFT

8920ADC Instruction Manual 39Index Ttermination 10toggle switches 18setting levels 14troubleshooting 31UUser Settings web page 26Wweb browserover

4 8920ADC Instruction ManualContents

40 8920ADC Instruction ManualIndex

8920ADC Instruction Manual 5 Preface About This Manual This manual describes the features of a specific module of the Gecko 8900 Signal Processing S

6 8920ADC Instruction ManualPreface

8920ADC Instruction Manual 7 8920ADC Analog Audio to AES/EBU Converter Introduction The 8920ADC converts analog audio to digital audio. The right a

8 8920ADC Instruction ManualInstallation Installation Installation of the 8920ADC module is a process of: 1. Placing the module in the desired fram

8920ADC Instruction Manual 9Installation Figure 1. 8900 Series Frame 8900 modules are interchangeable within the module cells. There are 10 BNC co