ADC PWR-AVIS - Manual (Page 6)

ADCP-61-814
•
Issue 1
•
April 1999
Page 2
© 1999, ADC Telecommunications, Inc.
PWR-AVIS is typically used in headend or distribution offices to provide access to individual
4.5 MHz (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 .
VIDEO
TRANSPORT
SYSTEM
#1
#1
VIDEO
TRANSPORT
SYSTEM
MODULATOR/
UP CONVERTER
#16
#113
#8
#1
1 X 16
COMBINER
#1
1 X 8
COMBINER
1 X 16
COMBINER
#8
#128
#1
#2
#3
#4
#5
#6
#7
#8
1 X 8
SPLITTER
1 X 8
SPLITTER
1 X 8
SPLITTER
#64
VIDEO
FIBER
OPTIC
TRANSMITTER
#8
#1
#64
#1
#1
VIDEO
FIBER
OPTIC
TRANSMITTER
#128
TYPICAL
HEADEND/DISTRIBUTION OFFICE
TEST JACK ARRANGEMENT
FROM
VIDEO
BACKBONE
NETWORK
= VJ2000 TEST POINTS
TO
SUBSCRIBER
NODES
= AVIS TEST POINTS
MODULATOR/
UP CONVERTER
LEGEND
6405-A
Figure 2. Typical Access Jack/Equipment Arrangement