Chapter 1: AES-6880 AES/EBU Digital Audio Distribution Amplifier Module

Board Layout and Functionality

 

 

Board Layout and Functionality

The following diagrams show the layout and functionality of the

AES-6880 board.

Figure 1-1. AES-6880 Printed Circuit Board

Functional Block Diagram

AES 75￿ Coax Input

 

Cable

 

Reclocked

 

 

 

EQ

 

Reconstruction

 

EQ

Manual

Auto

ALL OK

 

AES

Mode

 

 

 

Select

 

No Lock

 

75￿

 

 

 

Bi-Phase Coding

 

Coax

 

 

 

 

Outputs

 

 

Auto

Parity

 

(x8)

 

Manual

EQ

CRC

 

 

 

EQ Adjust

 

 

 

 

 

Confidence Flag

 

 

 

 

 

 

 

 

 

 

Validity

External

 

 

 

 

 

 

 

 

 

 

Alarm

 

 

 

 

ALARM

Configure

External Alarm

 

 

 

 

 

 

 

 

 

Contact Closure

Figure 1-2. AES-6880 Functional Block Diagram

2

6800/7000 Series - Distribution and Routing Products Installation and Operation Manual

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Nokia 7000 Series, 6800 Series operation manual Board Layout and Functionality, Functional Block Diagram