ADCP-61-814 Issue 1 April 1999

PWR-AVIS is typically used in headend or distribution offices to provide access to individual

4.5MHz (NTSC or PAL) baseband video channels, data, intermediate frequencies or other headend signals from the video backbone network. A typical network employing PWR-AVIS is shown in Figure 2.

 

#1

 

 

 

VIDEO

 

 

 

 

TRANSPORT

MODULATOR/

1 X 16

 

 

SYSTEM

UP CONVERTER

 

 

COMBINER

 

 

 

#16

#1

 

 

 

 

#1

#1

 

#2

 

 

 

#1

#3

 

FROM

 

 

#4

1 X 8

 

 

#5

VIDEO

 

 

COMBINER

 

 

 

BACKBONE

 

 

#6

 

NETWORK

 

 

#7

 

 

 

 

#8

 

 

 

#8

 

 

#8

#128

 

 

 

 

 

 

 

 

#113

1 X 16

 

 

VIDEO

 

 

 

 

COMBINER

 

 

TRANSPORT

MODULATOR/

 

 

 

 

 

SYSTEM

UP CONVERTER

 

 

 

 

#128

 

 

 

 

#1

 

 

 

 

 

VIDEO

 

 

 

1 X 8

FIBER

 

 

 

SPLITTER

OPTIC

 

 

 

 

TRANSMITTER

 

 

 

#1

#1

 

 

 

 

 

 

TO

1 X 8

 

 

 

SUBSCRIBER

SPLITTER

 

 

 

NODES

LEGEND

#8

#64

 

 

 

 

 

 

 

 

VIDEO

 

 

= AVIS TEST POINTS

1 X 8

FIBER

 

 

 

SPLITTER

OPTIC

 

 

 

#64

TRANSMITTER

 

 

 

 

 

 

= VJ2000 TEST POINTS

 

 

 

 

 

TYPICAL

 

 

 

 

HEADEND/DISTRIBUTION OFFICE

 

 

 

TEST JACK ARRANGEMENT

 

6405-A

Figure 2. Typical Access Jack/Equipment Arrangement

Page 2

© 1999, ADC Telecommunications, Inc.