ADC PWR-AVIS Figure 30. Bypass Failed Video System, Figure 31. Intrusive Insertion of Test Signal

ADCP-61-814 ∙ Issue 1 ∙ April 1999

FRONT JACKS

	MON	REAR
		EQUIPMENT
PATCH	75 OHM
	75 OHM	CONNECTIONS
CORD	500 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 75 OHM	CONNECTIONS
	500 OHM
	OUT	OUT	VIDEO TRANSPORT
	0.056 ∝H	0.033 ∝H	SYSTEM
	INDUCTOR	INDUCTOR
	IN	IN	MODULATOR/
			UP CONVERTER
75 OHM TERM
PLUG	75 OHM
	JACK ACCESS CARD	REAR INTERFACE UNIT	10225-A

Figure 30. Bypass Failed Video System

75 OHM TERM

PLUG

PATCH

CORD

FRONT JACKS

MON		REAR
		EQUIPMENT
75 OHM 75 OHM
		CONNECTIONS	NETWORK ELEMENTS
500 OHM
OUT		OUT
			VIDEO TRANSPORT
0.056 ∝H	0.033 ∝H		SYSTEM
INDUCTOR	INDUCTOR
IN		IN	MODULATOR/
			UP CONVERTER
75 OHM
JACK ACCESS CARD	REAR INTERFACE UNIT
FRONT JACKS
MON		REAR
		EQUIPMENT
75 OHM 75 OHM
		CONNECTIONS
500 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		10226-A

Figure 31. Intrusive Insertion of Test Signal

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© 1999, ADC Telecommunications, Inc.