ADCP-61-814 Issue 1 April 1999

FRONT JACKS

 

MON

 

 

REAR

 

 

 

 

EQUIPMENT

 

PATCH

75 OHM

 

 

 

464

93

CONNECTIONS

 

CORD

 

OHM

OHM

OUT

 

 

OUT

 

 

VIDEO TRANSPORT

 

 

 

 

 

0.056 H

 

 

0.033 H

SYSTEM

 

 

 

 

 

INDUCTOR

 

 

INDUCTOR

 

 

IN

 

 

IN

 

 

 

 

 

 

STANDBY SYSTEM

 

75 OHM

 

 

 

 

 

JACK ACCESS CARD

REAR INTERFACE UNIT

 

 

FRONT JACKS

 

 

 

 

 

MON

 

 

REAR

FAILED SYSTEM

 

 

 

EQUIPMENT

 

75 OHM

464

93

CONNECTIONS

 

 

 

 

 

 

OUT

OHM

OHM

OUT

 

 

 

 

VIDEO TRANSPORT

 

 

 

 

 

 

0.056 H

 

 

0.033 H

SYSTEM

 

 

 

 

 

INDUCTOR

 

 

INDUCTOR

 

 

IN

 

 

IN

MODULATOR/

 

 

 

 

 

 

 

 

UP CONVERTER

75 OHM TERM

 

 

 

 

75 OHM

 

 

 

 

PLUG

 

 

 

 

 

JACK ACCESS CARD

REAR INTERFACE UNIT

6417-A

 

 

Figure 21. Bypass Failed Video Transport System

FRONT JACKS

 

MON

 

 

 

REAR

 

75 OHM TERM

 

 

 

EQUIPMENT

 

75 OHM

 

 

 

 

464

 

93

CONNECTIONS

 

PLUG

 

NETWORK ELEMENTS

 

 

 

OUT

OHM

OHM

 

 

OUT

 

 

 

 

 

 

VIDEO TRANSPORT

PATCH

 

 

 

 

 

0.056

H

 

0.033 H

 

SYSTEM

CORD

 

 

 

INDUCTOR

 

INDUCTOR

 

 

 

 

 

 

 

IN

 

 

 

IN

MODULATOR/

 

 

 

 

 

 

 

 

 

 

UP CONVERTER

 

 

 

 

 

 

 

75 OHM

 

 

 

 

 

 

JACK ACCESS CARD

REAR INTERFACE UNIT

 

 

 

FRONT JACKS

 

 

 

 

 

 

MON

 

 

 

REAR

 

 

 

 

 

EQUIPMENT

 

 

75 OHM

 

 

 

 

 

464

 

93

CONNECTIONS

 

 

 

 

 

 

 

 

OHM

OHM

OUT

 

 

 

 

 

 

 

 

OUT

 

 

 

 

FULL FIELD

 

0.056 H

 

0.033 H

 

 

 

 

TEST SIGNAL

 

INDUCTOR

 

INDUCTOR

 

 

 

 

GENERATOR

 

IN

 

 

 

 

 

 

 

 

IN

 

 

 

 

 

 

 

 

75 OHM

 

 

 

 

 

 

JACK ACCESS CARD

REAR INTERFACE UNIT

 

6418-A

Figure 22. Intrusive Insertion of Test Signal

Page 19

© 1999, ADC Telecommunications, Inc.