AT&T System 85 manual D4BU

ADJUNCT POWER

PHONE

-7 +8

OTHER

-2 +5

LINE

MSP-1 Power Supply

	Adjunct jack
D4BU	(on the rear
	of telephone)
cord
		Power jack
		Line jack

D4BU cord

or

2–wire cord

Wall Jack

Bottom view of

the 8102 telephone

FIGURE 2-6. Local Powering Arrangement for Adjuncts Connected to the 8102 Analog Telephone

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